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420 Series

1-3

❑

Infrared port

Incorporates an IrDA1.0 (115.2Kbps supported) standard infrared transmitter and
receiver.

❑

Sound System

A Sound Blaster Pro compatible sound system provides capability to record sound and
play it back with a built-in microphone and speaker. The sound system is equipped
with a volume control dial, headphone jack, microphone jack, and audio line-in jack.

The 420 Series Personal Computer is shown in Figure 1-1.

Figure 1-1  420 series personal computer

 The 420 system configuration is shown in Figure 1-2.

Figure 1-2  420 system unit configuration

Содержание 420CD

Страница 1: ... A full size six speed CD ROM drive module can be installed instead of the FDD module The CD ROM drive contains an ATAPI AT attachment packet interface interface controller and supports the following formats audio CD photo CD CD plus and ISO 9660 Memory Standard with 8 MB of CMOS RAM This includes 640 KB of conventional memory and 7360 KB of extended memory which can be utilized as expanded memory...

Страница 2: ...cally recognizes which device is connected FDD port Enables a connection of the external FDD attachment if the CD ROM module is installed inside the system unit PC card slot A PC card slot accommodates two 5mm cards Type II or one 10 5mm Type III card which support PCMCIA Release 2 01 cards These slots also support advanced cards including PC Card 16 multifunction cards as well as the Zoomed Video...

Страница 3: ... capability to record sound and play it back with a built in microphone and speaker The sound system is equipped with a volume control dial headphone jack microphone jack and audio line in jack The 420 Series Personal Computer is shown in Figure 1 1 Figure 1 1 420 series personal computer The 420 system configuration is shown in Figure 1 2 Figure 1 2 420 system unit configuration ...

Страница 4: ...1 4 420 Series 1 2 System Unit Block Diagram Figure 1 3 is a block diagram of the 420 series system unit Figure 1 3 420 series system board block diagram ...

Страница 5: ...e 150 ns Data transfer is 8 bit width Video RAM 2 MB Four 256Kx16 bit DRAM 5 volt operation Optionalmemory One expansion memory slot is available for 8 16 and 32 MB memory modules which consist of some 1 MBx16 bit chips Total maximum memory size is 40 MB if a 32 MB memory module is installed 3 3 volt operation No parity bit Access time 60 ns Data transfer is 64 bit width EDO extended data output s...

Страница 6: ...s Bus control 32 bit data bus 16 bit data bus ISA bus interface control ISA bus access control DMAC control DMA address generation I O control Suspend Resumesequence Memory control ISA bus interface control Refresh address generation I O register control Suspend Resumesequence PC Card Controller Gate Array This gate array has the following functions PCMCIA memory card control PCMCIA I O card contr...

Страница 7: ...hip is used This KBC includes the keyboard scan controller and keyboard interface controller The KBC controls the internal keyboard external keyboard and PS 2 mouse AccuPoint Controller IPSC One KPAAC0062A chip is used This controller provides simultaneous control of both the AccuPoint and a PS 2 mouse Real Time Clock RTC One T9934 chip is used The T9934 has 128 bytes of memory Fourteen bytes of m...

Страница 8: ...t The 420 series FDD is shown in Figure 1 4 Figure 1 4 3 5 inch FDD The specifications for the FDD are listed in Table 1 1 Table 1 1 3 5 inch FDD specifications Item 2 MB mode 1 MB mode Storage capacity KB Unformatted 2 000 1 000 Formatted 1 475 737 Number of heads 2 2 Number of cylinders 80 80 Access time ms Track to track 3 3 Average 181 181 Head settling time 15 15 Recording track density tpi 1...

Страница 9: ...tes 770MB The 420CDS supports 810 million bytes 770MB The 420 series is shown in Figure 1 5 Figure 1 5 2 5 inch HDD Specifications for the HDD are listed in Table 1 2 Table 1 2 2 5 inch HDD specifications 770 MB 1 26 GB Items MK1926FCV DSOA 20810 MK1301MAV Formatted capacity byte 814 915 584 812 851 200 1 358 880 768 Number of disks 3 2 3 Logical heads 16 16 16 Logical cylinders 1 579 1 575 2 633 ...

Страница 10: ... the keyboard controller on the system board through a 25 pin flat cable The 420 series pointer control stick located in the center of the keyboard provides convenient control of the cursor without requiring desk space for a mouse The keyboard is shown in Figure 1 6 See Appendix E for optional keyboard configurations Figure 1 6 Keyboard ...

Страница 11: ... 1 7 CD ROM The specifications for the CD ROM drive are listed in Table 1 3 Table 1 3 CD ROM specifications Item 1X mode 6X mode Data Capacity bytes block Mode 1 2 048 Mode 2 2 336 Rotational Speed rpm 200 to 530 1 200 to 3 180 Transfer Rate Sustained Block Transfer blocks s 75 450 Sustained Data Transfer Kbytes s Mode 1 150 900 Mode 2 171 1 026 ATAPI Burst Mbytes s 8 33 PIO mode 2 Access Time ms ...

Страница 12: ...he functions of Video Graphics Array VGA and Super VGA SVGA for external display A display controller is F65550 This controller enables an LCD display of a maximum 64K colors The DSTN LCD is shown in Figure 1 8 Figure 1 8 DSTN color LCD The specifications for the LCD are listed in Table 1 4 Table 1 4 DSTN color LCD specifications Item Specifications Number of Dots dots 800x600 Dot pitch mm 0 288x0...

Страница 13: ...es high frequency current to light the LCD Fluorescent Lamp The specifications for the FL inverter are listed in Table 1 5 Table 1 5 DSTN color FL inverter board specifications Item Specifications Input Voltage V 4 to 5 5 Power W 4 25 Output Voltage Vrms 1 100 Current mA 5 0 3 0 Bright Semi bright ...

Страница 14: ...ontroller enables an LCD display of a maximum 16M colors The TFT LCD is shown in Figure 1 9 Figure 1 9 TFT color LCD The specifications for the LCD are listed in Table 1 6 Table 1 6 TFT color LCD specifications Item Specifications Number of dots dots 800x600 Dot pitch mm 0 288 W x0 288 H Display area mm 229 2 W x171 H Contrast minimum 100 1 FL current mA 2 4 2 8 4 0 4 6 NOTE The FL currents at pow...

Страница 15: ...er are listed in Table 1 7 Table 1 7 FL inverter board specifications Item Specifications Input Voltage V 4 to 5 5 Power W 4 25 Output Voltage Vrms 1 100 Current mA 2 4 2 8 4 0 4 6 NOTE The FL currents at power on are Bright Semi bright AC cord connected 4 6 mA 4 0 mA AC cord not connected 2 8 mA 2 4 mA The settings at power on do not change even if the AC cord connection changes ...

Страница 16: ...nctions 3 Controls the LED icon and speaker 4 Turns the battery charging system on and off and detects a fully charged battery 5 Determines if the power can be turned on and off 6 Provides more accurate detection of a low battery 7 Calculates the remaining battery capacity The power supply output rating is specified in Table 1 8 Table 1 8 Power supply output rating DC Regulation Use for Name volta...

Страница 17: ...state of the computer when you enable AutoResume Battery Icon The Battery icon is located on top of the back rim of the 420 series The icon shows the status of the removable battery pack The status of each can be determined by color Orange The battery is being charged AC power cord is attached Green The battery is fully charged AC power cord is attached Blink orange The battery is low when the pow...

Страница 18: ... is abnormal Trickle Battery Charge When the main battery is fully charged and the AC power cord is attached the power supply microprocessor automatically changes from quick charge to trickle charge 1 10 3 Backup Battery The backup battery maintains data for AutoResume The power source used to back up the AutoResume data is determined according to the following priority AC power Main battery Backu...

Страница 19: ...ther setup information in memory while the computer is turned off Table 1 12 shows the charging time and data preservation period of the RTC battery Table 1 12 RTC battery charging data preservation time Time Charging Time With AC power 48 H or main battery Data preservation period full charge 1 month ...

Страница 20: ...bleshooting procedures 1 DiagnosticsDisk 2 Phillips screwdriver 2 mm 3 Toshiba MS DOS system disk s You must install the following onto the disk SYS COM FORMAT COM FDISK COM and FDISK EXE 4 2DD or 2HD formatted work disk for floppy disk drive testing 5 Cleaning kit for floppy disk drive troubleshooting 6 RS 232 C wraparound connector 7 Printer wraparound connector 8 Multimeter 9 External CRT 10 PS...

Страница 21: ...r to enter the pass word If the user has forgotten the password connect the printer port wraparound board F31PRT then turn the POWER switch on The computer will override the password function by erasing the current password Verify with the customer that Toshiba MS DOS is installed on the hard disk Non Toshiba operating systems can cause the computer to malfunction Make sure all optional equipment ...

Страница 22: ...420 Series 2 3 Figure 2 1 Troubleshooting flowchart ...

Страница 23: ...er test or real timer test perform the system board troubleshooting proce dures in Section 2 4 2 If an error is detected on the floppy disk test perform the floppy disk drive troubleshooting procedures in Section 2 5 3 If an error is detected on the hard disk test perform the hard disk drive troubleshooting procedures in Section 2 6 4 If an error is detected on the keyboard test perform the keyboa...

Страница 24: ...lying power When the AC IN icon is green the AC power cord is connected and supplying power to the 420 series If the AC IN icon does not light the AC power cord is not supplying power to the 420 series or the AC power cord is not attached to the 420 series go to Check 1 If the AC IN icon is flashing orange the AC power cord voltage supply is abnormal or the power supply is not functioning properly...

Страница 25: ...clean and not bent If the terminal appears dirty clean it gently with a cotton swab dipped in alcohol If the terminal looks bent or damaged replace the system board If the battery terminal is clean and not bent go to Check 4 Check 4 Connect a new AC power cord If the Battery icon still does not glow go to Check 5 Check 5 Install a new battery pack If the Battery icon still does not glow go to Proc...

Страница 26: ...is no error message go to Procedure 2 If the Toshiba MS DOS is properly loaded go to Procedure 3 Check 1 If one of the following error messages is displayed on the screen press the F1 key as the message instructs These errors occur when the system configuration preserved in the RTC memory CMOS type memory is not the same as the actual configuration or when the data is lost If you press the F1 key ...

Страница 27: ...20 is displayed go to the Keyboard Troubleshooting Proce dures in Section 2 7 If error message 21 22 or 23 is displayed go to the HDD Troubleshooting Procedures in Section 2 6 If error message 24 or 25 is displayed go to the FDD Troubleshooting Proce dures in Section 2 5 1 BIOS is damaged 2 PIT ERROR 3 MEMORY REFRESH ERROR 4 TIMER CH 2 OUT ERROR 5 FIRST 64KB MEMORY ERROR 6 CMOS CHECKSUM ERROR 7 CM...

Страница 28: ... turn on the power 5 Read the LED status from left to right as you are facing the back of the computer 6 Convert the status from binary to hexadecimal notation 7 If the final LED status is FFh normal status go to Procedure 3 8 If the final LED status matches any of the test status values in Table 2 1 perform Check 1 NOTE If an error condition is detected by the IRT test the printer port LED displa...

Страница 29: ...T 64KB MEMORY ERROR FIRST 64KB MEMORY PARITY ERROR 0BH System memory initialization 0CH System initialization 0DH Interrupt vector initialization 18H PIC initialization 1FH Display initialization VRAM ERROR 25H System memory test SYSTEM MEMORY ERROR SYSTEM MEMORY PARITY ERROR 30H Extended memory test EXTENDED MEMORY ERROR EXTENDED MEMORY PARITY ERROR 40H DMA page register test DMA PAGE REGISTER ER...

Страница 30: ... following error codes are displayed go to Procedure 5 01h 02h 03h 04h 05h 06h 07h 08h 0Ah 0Bh 0Ch 0Dh 18h 1Fh 25h 30h 40h 41h 42h 4Ah 50h 70h 80h 90h A0h A6h C0h FFh Check 2 If error code 55h is displayed go to the Keyboard Troubleshooting procedures in Section 2 7 Check 3 If error code 60h is displayed go to the HDD Troubleshooting Procedures in Section 2 6 Check 4 If error code 65h is displayed...

Страница 31: ... go to Procedure 4 8 If the final LED status matches any of the test status values in Table 2 2 perform Procedure 5 Table 2 2 Printer port LED resume mode error status Error status Meaning of status F1H RAM BIOS error F2H The system has optional ROM or optional card CGA MDA F5H Main memory checksum error F6H Video RAM checksum error F7H Extended memory checksum error Procedure 4 Diagnostic Test Pr...

Страница 32: ...teps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Replace the system board with a new one Refer to Chapter 4 for instructions on how to remove and replace the system board Check 2 Replace the sound board with a new one Refer to Chapter 4 for instructions on how to remove and replace the sound board ...

Страница 33: ...ocedure 2 Diagnostic Test Program Execution Check Procedure 3 Connector Check and Replacement Check Procedure 1 FDD Head Cleaning Check FDD head cleaning is one option available in the Diagnostic Program Detailed operation is given in Chapter 3 Tests and Diagnostics After Toshiba MS DOS loads run the Diagnostic Program and then clean the FDD heads using the cleaning kit If the FDD still does not f...

Страница 34: ... abled If any other errors occur while executing the FDD diagnostics test go to Check 1 Table 2 3 Floppy disk drive error codes and statuses Code Status 01h Bad command 02h Address mark not found 03h Write protected 04h Record not found 06h Media removed on dual attach card 08h DMA overrun error 09h DMA boundary error 10h CRC error 20h FDC error 40h Seek error 60h FDD not in drive 80h Time out err...

Страница 35: ...nnected connect it to the system unit and repeat Procedure 2 If the FDD is still not functioning properly perform Check 2 Check 2 The cable may be defective or damaged Replace the cable If the FDD is still not functioning properly perform Check 3 Check 3 The FDD or its cable may be defective or damaged Replace the FDD with a new one following the steps in Chapter 4 Replacement Procedures If the FD...

Страница 36: ...tem disk turn on the computer and perform the following checks Check 1 Type C and press Enter If you cannot change to drive C go to Check 2 If you can change to drive C go to Procedure 2 Check 2 Type FDISK and press Enter Choose Display Partition Information from the FDISK menu If drive C is listed go to Check 3 If drive C is not listed return to the FDISK menu and choose the option to create a DO...

Страница 37: ...not appear perform Check 3 Insert system disk in drive Press any key when ready or Non System disk or disk error Replace and press any key Check 3 Using the Toshiba MS DOS system disk install a system program on the hard disk using the SYS command If the following message appears on the display the system program has been transferred to the HDD System transferred Restart the 420 series If the erro...

Страница 38: ...age appears on the display the HDD is formatted Format complete If any other error message appears on the display refer to the Toshiba MS DOS Manual for more information and perform Check 2 Check 2 Using the 420 series Diagnostic Disk format the HDD with a low level format option Refer to Chapter 3 Tests and Diagnostics for more information about the diagnostic program If the following message app...

Страница 39: ...le 2 4 Hard disk drive error codes and statuses Code Status 01h Bad command 02h Bad address mark 04h Record not found 05h HDC not reset 07h Drive not initialized 08h HDC overrun DRQ 09h DMA boundary error 0Ah Bad sector error 0Bh Bad track error 10h ECC error 11h ECC recover enabled 20h HDC error 40h Seek error 80h Time out error AAh Drive not ready BBh Undefined error CCh Write fault E0h Status e...

Страница 40: ... keyboard is functioning properly Procedure 2 Connector and Replacement Check The keyboard is connected to the system board by a flat cable This cable may be discon nected or damaged Disassemble the 420 series as described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the keyboard cable is not damaged and is connected to the system board Keyboard cable PJ14...

Страница 41: ...RT Check Connect the external CRT to the 420 series external monitor port then boot the computer The computer automatically detects the external CRT even if Resume mode is enabled If the external CRT works correctly the internal LCD display may be damaged Go to Proce dure 4 If the external CRT appears to have the same problem as the internal LCD the display con troller may be damaged Go to Procedu...

Страница 42: ...connected by two cables The LCD module and system board are connected by two signal cables as shown below Any of these cables may be disconnected Disassemble the display unit and check the following cable connections Refer to Chapter 4 Replacement Procedures for more information about how to disassemble the computer Figure 2 3 420CDS display connection ...

Страница 43: ...2 24 420 Series Figure 2 4 420CDT display connection If any of these cables is not connected firmly reconnect it and repeat Procedures 1 and 2 If the problem still exists perform Procedure 5 ...

Страница 44: ...display is closed perform Check 4 Check 1 Replace the FL with a new one and test the display again If the problem still exists perform Check 2 Check 2 Replace the FL inverter board with a new one and test the display again If the problem still exists perform Check 3 Check 3 Replace the LCD module with a new one and test the display again If the problem still exists perform Check 4 Check 4 Replace ...

Страница 45: ...lens cleaner Apply the cleaner to a cloth and wipe the lens If the CD ROM drive still does not function properly after cleaning go to Procedure 2 Procedure 2 Diagnostic Test Program Execution Check The CD ROM drive Diagnostic Test program is stored on the 420 series Diagnostics Disk After Toshiba MS DOS loads run the diagnostic program stored on the test program dis kette Insert a test CD Toshiba ...

Страница 46: ...s Check 1 Make sure the CD ROM is firmly connected to the system board CD ROM drive PJ5 System board If this cable is disconnected connect it to the system unit and repeat Procedure 2 If the CD ROM is still not functioning properly perform Check 2 Check 2 The CD ROM drive may be defective or damaged Replace the CD ROM drive with a new one following the steps in Chapter 4 Replacement Procedures If ...

Страница 47: ...sts of nine programs that are grouped into the Service Program Module DIAG NOSTICS Menu NOTES To start the diagnostics follow these steps 1 Check all cables for loose connections 2 Exit any application you may be using and close Windows The DIAGNOSTICS MENU consists of the following functions DIAGNOSTIC TEST HARD DISK FORMAT HEAD CLEANING LOG UTILITIES RUNNING TEST FDD UTILITIES SYSTEM CONFIGURATI...

Страница 48: ...tor for the I O card test Expansion test A printer wraparound connector for the printer wraparound test Printer test An RS 232 C wraparound connector for the RS 232 C port wraparound test ASYNC test A CD test media Toshiba EMI test disk TDY 03 and music CD CD ROM test External CRT All tests PS 2 or compatible keyboard All tests PS 2 or compatible mouse Keyboard test Serial port wraparound connecto...

Страница 49: ...lled in the computer and the external FDD is attached to the FDD port The following menu will appear TOSHIBA personal computer xxx DIAGNOSTICS version X XX c copyright TOSHIBA Corp 19XX DIAGNOSTICS MENU 1 DIAGNOSTIC TEST 2 HARD DISK FORMAT 3 4 HEAD CLEANING 5 LOG UTILITIES 6 RUNNING TEST 7 FDD UTILITIES 8 SYSTEM CONFIGURATION 9 EXIT TO MS DOS 0 SETUP Select items Enter Specify Esc Exit NOTE To exi...

Страница 50: ...efer to sections 3 4 through 3 16 for detailed descriptions of Diagnostic Tests 1 through 13 Function 88 sets the floppy disk drive and hard disk drive error retry count Function 99 exits the submenus of the Diagnostic Test and returns to the Diagnostic Menu 3 Select the option you want to execute and press Enter The following message willappear SYSTEM TEST XXXXXXX xxx DIAGNOSTIC TEST VX XX Ctrl B...

Страница 51: ...r is found and displays the operation guide on the right side of the display screen as shown below ERROR STATUS NAME HALT OPERATION 1 Test end 2 Continue 3 Retry These three selections have the following functions respectively 1 Terminates the test program and exits to the subtest menu 2 Continues the test 3 Restarts the test from the error Use the arrow keys to move the cursor to the desired opti...

Страница 52: ... refresh 04 Protected mode 05 Memory module 06 Cache memory 3 KEYBOARD 01 Pressed key display 02 Pressed keycode display 03 PS 2 Mouse connect check 04 Pointing stick 4 DISPLAY 01 VRAM read write for VGA 02 Gradation for VGA 03 Gradation for LCD 04 Gradation Mode test for VGA 05 All dot on off for LCD 06 H pattern display 5 FDD 01 Sequential read 02 Sequential read write 03 Random address data 04 ...

Страница 53: ...dom address data 04 Cross talk peak shift 05 Write read compare CE 06 Write specified address 07 Read specified address 08 ECC circuit 09 Sequential write 10 W R C specified address 9 REAL TIMER 01 Real time 02 Backup memory 03 Real time carry 10 NDP 01 NDP test 11 EXPANSION 01 PCMCIA wraparound Internal 02 PCMCIA wraparound External 12 SOUND 01 CODEC REC PLAY 02 FM Synthesizer 03 SINE wave playba...

Страница 54: ...est 04 Fan on off This subtest checks fan operation using the on off command The fan cable is securely connected to PJ11 on the system board When you execute this subtest the following message is displayed Fan ON Press Enter key When you press Enter the fan should spin Fan OFF Press Enter key When you press Enter the fan should stop Subtest 05 Thermistor check This subtest reads the thermistor con...

Страница 55: ...ional memory program end to 640 KB then reads the new data and compares the result with the original data Subtest 03 RAM refresh This subtest writes a 256 byte unit of constant data to conventional memory 0 to 640 KB then reads the new data and compares the result with the original data The constant data is AAAAh and 5555h NOTE There is a short delay between write and read operations depending on ...

Страница 56: ...btest 05 the following message will appear Extended memory size 1 8 MB 2 16 MB 3 32 MB Select the number that corresponds to the memory card installed in the com puter Subtest 06 Cachememory To test the cache memory a pass through write read comparison of 5A data is run repeatedly to the test area 7000 Program size to 7000 7FFF 32 KB to check the hit miss ratio on off status for CPU cache memory O...

Страница 57: ...r to the subtest you want to execute and press Enter Subtest 01 Pressed key display NOTE The Num Lock and the Overlay mode must be off to execute this subtest When you execute this subtest the keyboard layout is drawn on the display as shown below When any key is pressed the corresponding key on the screen changes to an character Holding a key down enables the auto repeat function which causes the...

Страница 58: ...wn in Appendix D KEYBOARD TEST IN PROGRESS 302000 Scan code Character code Keytop Ins Lock Caps Lock Num Lock Scroll Lock Alt Ctrl Left Shift Right Shift PRESS Enter KEY Subtest 03 PS 2 Mouse connect check NOTE To execute the PS 2 mouse connect check a PS 2 mouse must be connected to the computer This subtest checks whether or not a PS 2 mouse is connected If this test does not detect an error it ...

Страница 59: ...ying the location parameters When the stick is pressed to wards the upper left the POINTING display changes according to the following illustration If an IPS switch is pressed the BUTTON display alternates between black and white Also the parameters appear on the right side of the display If two IPS switches are pressed at the same time the subtest menu is displayed IPS TEST PROGRAM V1 00 PRESS BU...

Страница 60: ... video RAM 2MB A0000h AFFFFh This data is then read from the video RAM and compared to the original data Subtest 02 Gradation for VGA This subtest displays four colors red green blue and white from left to right across the screen from black to maximum brightness The display below appears on the screen when this subtest is executed To exit this subtest and return to the DISPLAY TEST menu press Ctrl...

Страница 61: ...test displays gradations for each mode Execute the test then press Enter to change the mode LCD type Mode TFT 3 12 13 43 52 DSTN 3 12 13 43 The display below appears on the screen when this subtest is executed Pressing Enter changes the size of the displayed image ...

Страница 62: ...nges the size of the displayed image To exit this subtest and return to the DISPLAY TEST menu press Ctrl Break Subtest 05 All dots on off for LCD This subtest displays an all white screen all dot on for three seconds then an all black screen all dot off for three seconds To exit this subtest and return to the DISPLAY TEST menu press Ctrl Break ...

Страница 63: ...HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHH...

Страница 64: ...iate response to execute the test 1 Select the test drive number of the floppy disk drive to be tested and press Enter Test drive number select 1 FDD 1 2 FDD 2 0 FDD1 2 2 Select the media type of the floppy disk in the test drive to be tested and press Enter Media in drive X mode 0 2DD 1 2D 2 2D 2HD 2DD 3 2HD 3 Select the track you want the test to start on and press Enter Simply pressing Enter se...

Страница 65: ...ostic Test Menu Refer to step 3 at the beginning of this section to set the start track Subtest 02 SequentialRead Write This subtest continuously writes data pattern B5ADADh to all the specified tracks selected in subtest 01 The data is then read and compared to the original data Subtest 03 Random Address Data This subtest writes random data to random addresses on all tracks defined in subtest 01 ...

Страница 66: ... to execute this test The following message will appear when the printer test is selected channel 1 XXXXh channel 2 XXXXh channel 3 XXXXh Select the channel number 1 3 The printer I O port address is specified by the XXXXh number The computer supports three printer channels Select the printer channel number and press Enter to execute the selected subtest Subtest 01 Ripple Pattern This subtest prin...

Страница 67: ... connector must be connected to the printer port The printer wraparound connector 34M741986G01 wiring diagram is described in Appendix F This subtest checks the output and bidirectional modes of the data control and status lines through the printer wraparound connector PRINTER TEST 1 THIS LINE SHOWS NORMAL PRINT 2 THIS LINE SHOWS DOUBLE WIDTH PRINT 3 THIS LINE SHOWS COMPRESSED PRINT 4 THIS LINE SH...

Страница 68: ... are selected Channel 1 XXXXh Channel 2 XXXXh Channel 3 XXXXh Select the Channel number 1 2 3 The serial I O port address is specified by the XXXXh number Select the serial port channel number and press Enter to start the subtest Subtest 01 Wraparound board NOTE To execute this subtest an RS 232 C wraparound connector 34M741621G01 must be connected to the RS 232 C port The RS 232 C wraparound conn...

Страница 69: ...ed above This subtest receives the data from the send side then sends the received data Subtest 05 Interrupt Test This subtest checks the Interrupt Request Level of IRQ 4 3 and 5 from the send side Subtest 06 Infra_red Wrap_around test NOTE Before conducting subtests 06 to 09 you must execute SIRDRV COM to enable the infrared communication port This subtest checks the data send receive function th...

Страница 70: ...above This subtest receives the data from the send side then sends the received data through the SIR port Subtest 09 Noise Receive test This subtest receives just noise level as a signal By detecting random 0 and 1 this subtest recognizes that the SIR port transmitter receiver module works properly ...

Страница 71: ...ire disk including the user s files 2 If Windows 95 is selected check to see if the Microsoft Create System Disks Tools MSCSD EXE still exists in the System Tools Folder This tool can be used only once If it exists use it to back up the preinstalled software then use the Backup utility in the System Tools folder to back up the entire disk including the user s files Refer to the appropriate instruc...

Страница 72: ... last two digits indicate the sector The first digit of the STATUS number indicates the drive being tested and the last two digits indicate the error status code as explained in Table 3 2 Subtest 01 Sequential Read This subtest is a sequential reading of all the tracks on the HDD starting at track 0 When all the tracks on the HDD have been read the test starts at the maximum track and reads the tr...

Страница 73: ...e CE cylinder and compares it with the original data Subtest 06 Write specified address This subtest writes specified data to a specified cylinder and head on the HDD Subtest 07 Read specified address This subtest reads data which has been written to a specified cylinder and head on the HDD Subtest 08 ECC circuit This subtest checks the Error Check and Correction ECC circuit functions of the speci...

Страница 74: ... Current time XX XX XX Enter new date PRESS ENTER KEY TO EXIT TEST 2 If the current date is not correct input the correct date at the Enter new date prompt and press Enter The following prompt will appear Enter new time 3 If the current time is not correct input the correct time in 24 hour format Pressing Enter toggles between the time and the date To exit press Ctrl Break Subtest 02 Backup Memory...

Страница 75: ...e erased This subtest checks the real time clock increments making sure the date and time are displayed in the following format Current date 12 31 1995 Current time 23 59 58 PressingEnter displays the following Current date 01 01 1996 Current time 00 00 00 PRESS Enter KEY TO EXIT TEST Press Ctrl Break to exit ...

Страница 76: ...T MENU press Enter and follow the directions on the screen The NDP test contains one subtest that tests the computer s NDP functions Subtest 01 NDP test This test checks the following functions of the coprocessor Control word Status word Bus Addition Multiplication Press Ctrl Break to exit ...

Страница 77: ... CE 1 CE 2 line Data line Speaker line Waitline BSY BVD1 line This subtest is executed in the following order Sub Address Good Bad Contents 01 00001 nn xx Address line 00001 nn xx REG CE 1 CE 2 nn A0 90 80 00 02 00002 ww rr Data line ww write data rr read data 03 00003 Speaker line 04 00004 40 80 xx Wait line 40 xx 80 05 00005 nn xx Other lines BSY BVD1 nn 21 00 Subtest 02 PCMCIA wraparound Extern...

Страница 78: ...any key to REC After pressing a key start recording and immediately play the sound It takes three seconds Subtest 02 FMSynthesizer This subtest tests the OPL YMF262 functions Connect the headphone and check the scale of the right and left sides Also check the sound adjustment volume Subtest 03 SINE waveplayback This subtest expands the sine wave data table to 64KB and creates sine wave data The pl...

Страница 79: ...ce such as an amplifier for the internal speaker or a radio cassette player to the line out port After making the connections a dialogue box will be displayed Press Enter to play a recorded sound About three seconds after the recorded sound is played the dialogue box will be displayed again NOTE The Enhanced Port Replicator must be connected to conduct the line out test ...

Страница 80: ...t Disk TDY 03 Subtest 01 Sequential Read This subtest is a sequential reading of one block unit 2K bytes of all the logicaladdresses Subtest 02 Read Specified Address This subtest reads one block data from a specified address Subtest 03 Random Address Data This subtest reads one block data and multi block data from random addresses 200 times Subtest 04 PlaybackMusic NOTE The Toshiba EMI Test Disk ...

Страница 81: ...ache Memory Error Keyboard 01 Mouse Interface Error 02 IPS Interface Error 03 Interface Error 04 Retransmit Error 05 Mouse Handler Not Supported 06 PS 2 Mouse IPS Not Supported FDD 01 Bad Command 02 Address Mark Not Found 03 Write Protected 04 Record Not Found 06 Media Removed 08 DMA Overrun Error 09 DMA Boundary Error 10 CRC Error 20 FDC Error 40 Seek Error 60 FDD Error 80 Time Out Error EE Write...

Страница 82: ...Initialized 08 HDC Overrun DRQ 09 DMA Boundary Error 0A Bad Sector 0B Bad Track Error 10 ECC Error 11 ECC Recover Enabled 20 HDC Error 40 Seek Error 80 Time Out Error AA Drive Not Ready BB Undefined Error CC Write Fault E0 Status Error EE Access Time Out Error NDP 01 No Co Processor 02 Control Word Error 03 Status Word Error 04 Bus Error 05 Addition Error 06 Multiply Error Expansion C1 Address Lin...

Страница 83: ...ice name Error code Error status name CD ROM 01 Bad Command 02 Illegal Length 03 Unit Attention 04 Media Change Request 05 Media Detected 06 Additional Sense 09 Boundary Error 11 Corrected Data Error 20 Drive Not Ready 40 Seek Error 80 Time Out 90 Reset Error B0 Address Error ...

Страница 84: ...e HDC status register and error register are listed in Tables 3 3 and 3 4 Table 3 3 Hard disk controller status register contents Bit Name Description 7 BSY 0 HDC is ready Busy 1 HDC is busy 6 DRDY 0 Hard disk drive is not ready to accept any command Drive ready 1 Hard disk drive is ready 5 DWF 0 DWF error is not detected Drive write fault 1 Write fault condition occurs 4 DSC 0 The hard disk drive...

Страница 85: ...table 1 Uncorrectable data error has been detected 5 Not used 4 IDNF 0 Not used Identification 1 There was no ID field in the requested sector 3 Not used 2 ABRT 0 Not used Abort 1 Illegal command error or a drive status error occurs 1 TK00 0 The hard disk has found track 0 during a recalibrate command Track 0 1 The hard disk could not find track 0 during a recalibrate command 0 Not used ...

Страница 86: ...py disk 1 If MS DOS 6 22 Windows for Workgroups is selected use the Master Diskette Creator MDC utility in the Toshiba Utility folder to back up the preinstalled software After backing up the preinstalled software use the BACKUP command in the Toshiba Companion Utility to back up the entire disk including the user s files 2 If Windows 95 is selected check to see if the Microsoft Create System Disk...

Страница 87: ...6 Logical cylinders 1 579 1 575 2 633 Bytes per sector 512 512 512 Rotation speed rpm 4 200 4 000 4 200 2 Good track FORMAT This option formats a specified cylinder and track as a good track If a good track is formatted as a bad track use this option to change the track to a good track 3 Bad track FORMAT This option formats a specified cylinder and track as a bad track If a bad track is detected u...

Страница 88: ... 1 All track FORMAT 2 Good track FORMAT 3 Bad track FORMAT 4 Bad track CHECK 9 Go to TEST MENU Select items Enter Finish Esc Exit 1 All track FORMAT Pressing 1 selects All track FORMAT which lets you format the entire disk All track FORMAT Drive 1 HDD 2 Non Cylinder XXXX Head XX Sector XX Model name The following selections also appear in succession at the bottom of the screen Drive number select ...

Страница 89: ... All tracks are formatted as good tracks except those registered as bad tracks in item c above or those identified as bad tracks in track verification de scribed in item e below e Trackverification A check is made of all tracks and if an ECC error ECC correctable data error or record not found error is detected at a track that track is formatted as a bad track automatically 2 Good track FORMAT If ...

Страница 90: ...dd Press Head number dd Press Enter to return to the Hard Disk Format menu 4 Bad track CHECK This subtest reads the entire disk and displays a list of bad tracks The test is terminated in case of a bad track check error To initiate the subtest enter the drive number at the prompt shown below Drive number select 1 1 2 2 Bad tracks will be displayed in the format shown below cylinder head 0123 03 Pr...

Страница 91: ...electing 4 from the DIAGNOSTIC MENU and pressing Enter displays the followingmessages DIAGNOSTICS FLOPPY DISK HEAD CLEANING VX XX Mount cleaning disk s on drive s Press any key when ready 2 Remove the Diagnostics Disk from the FDD then insert the cleaning disk and press Enter 3 When the cleaning start message appears the FDD head cleaning has begun 4 The display automatically returns to the DIAGNO...

Страница 92: ...atus STS 6 FDD HDD or memory address ADDR 7 Write data WD 8 Read data RD 9 HDC status HSTS 10 Error status name ERROR STATUS NAME 3 21 2 Operations 1 Selecting 5 and pressing Enter in the DIAGNOSTIC MENU logs error informa tion into RAM or onto a floppy disk The error information is displayed in the followingformat XXXXX ERRORS CNT TS NAME PASS STS ADDR WD RD HSTS STATUS NAME 001 FDD 02 0000 103 0...

Страница 93: ...us page The 3 key returns to the Diagnostic Menu The 4 key erases all error log information in RAM The 5 key outputs the error log information to a printer The 6 key reads the log information from a floppy disk The 7 key writes the log information to a floppy disk 3 In the case of error retry OK a capital R will be placed at the beginning of the error status However it is not added to the error co...

Страница 94: ... Do not forget to load a work disk in the FDD If a work disk is not loaded an error will be generated during the FDD testing 1 Remove the diagnostics disk from the floppy disk drive and insert the work disk 2 Selecting6 from the Diagnostic Menu and pressing Enter displays the following message Printer wrap around test Y N Selecting Y yes executes the printer wraparound test A printer wraparound co...

Страница 95: ...nd pressing Enter displays the following message Mount the work disk s on the drive s then press Enter key Warning The contents of the disk s will be destroyed 5 This program is executed continuously To terminate the program press Ctrl Break ...

Страница 96: ...e 512 bytes 9 sectors track b 2DD Double sided double density double track 96 135 TPI MFM mode 512 bytes 9 sectors track c 2HD Double sided high density double track 96 135 TPI MFM mode 512 bytes 18 sectors track 2 COPY This program copies data from a source floppy disk to a target floppy disk 3 DUMP This program displays the contents of the floppy disk and the designated sectors of the hard disk ...

Страница 97: ...PE SECTOR XX Format start track head XXX X After the floppy disk is formatted the following message will appear Format complete Another format 1 Yes 2 No e Typing 1 displays the message from step c above Typing 2 returns the test to the DIAGNOSTIC MENU 3 COPY program a When COPY is selected the following message appears FLOPPY DISK FORMAT COPY VX XX Type select 0 2DD 2DD 1 2D 2D 2 2D 2HD 3 2HD 2HD...

Страница 98: ...message appears DIAGNOSTICS HARD DISK FLOPPY DISK DUMP VX XX Drive type select 1 FDD 2 HDD b Select a drive type If 1 is selected in step a the following message dis plays Select drive number 1 A 2 B Select an FDD drive number The display will go to step c If 2 is selected the following message displays Select drive number 1 C 2 D After selecting the HDD the display will go to step f c The followi...

Страница 99: ... ports 10 Extended memory size 11 The number of math co processors 12 CPU clock 13 ID number of the Enhanced Port Replicator 3 24 2 Operations Selecting 8 from the DIAGNOSTIC MENU and pressing Enterdisplays the following system configuration SYSTEM CONFIGURATION BIOS ROM VERSION VX XX CARD DOCK ROTARY SWITCH BOOT ROM VERSION VX XX KBC VERSION VX XX PS MICOM VERSION VX XX 639KB MEMORY 1 FLOPPY DISK...

Страница 100: ...play a DisplayAdapter b LCD Display Mode c VGA Segment Address d LCD Display Colors e Power On Display f Text Mode Stretch 3 Hard Disk a HDD Mode 4 Password 5 I O Ports a Serial Port b Infrared Port c Parallel Port d Sound System 6 Others a Power up Mode b CPU Cache c Battery Save Mode d AlarmVolume e System Beep f Panel Power On Off g Alarm Power On h Keyboard i PointingDevices j Boot Priority ...

Страница 101: ...nd to accept the changes you made If the changed item does not require the system to reboot the following message is displayed Are you sure Y N MEMORY BIOS version x xx SYSTEM SETUP DISPLAY Display Adapter VGA compatible LCD Display Mode Color VGA Segment Address E000H LCD Display Colors 16M Colors Power On Display Internal External Text Mode Stretch Enabled Total 8192 KB Base 640 KB Extended 7360...

Страница 102: ...ry preset configuration press Home 2 To accept the default settings press End and then press Y NOTE When you execute the default setting the following settings are not changed HDD Mode Password Sound System I O Address Interrupt Level DMA Write Policy 3 25 6 SETUP Options The SETUP screen is divided into functionally related groups This section describes each group and its options 1 Memory This op...

Страница 103: ... Mode The LCD displays text in 80 characters by 25 lines and graphics in 800 by 600 pixels for either Color or Monochrome mode Use this option to set the computer s display mode to Color or Monochrome Color Selects color mode Default Monochrome Selects monochrome mode Some software is displayed better in monochrome mode c VGA Segment Address Use this option to set the VGA segment address from the ...

Страница 104: ...external CRT if one is connected other wise it selects the internal LCD Default Simultaneous Selects both the internal LCD and the external CRT forsimultaneousdisplay NOTE When starting the computer in Resume mode the last configura tion is remembered If data does not appear on the display you are using after starting in Resume mode press Fn F5 Pressing Fn F5 changes the display setting as follows...

Страница 105: ...tWare or UNIX When this mode is selected up to 504MB is logically available even though the disk s capacity is larger than 504MB To see the capacity of the hard disk use the CHKDSK command See your DOS documentation for details on using CHKDSK NOTE Formats for Enhanced IDE and Standard IDE are different so if you change the setting you will have to reformat the hard disk for the appropriate settin...

Страница 106: ...O port base address for each COM level is shown below COM level Interrupt level I O address COM1 4 3F8h Serial port default COM2 3 2F8h COM3 4 3E8h COM4 3 2E8h Not used Disables port NOTE Do not assign the same interrupt request level and I O address to the serial port and infrared port b Infrared Port This option allows you to set the COM level for the infrared port The infrared port interrupt re...

Страница 107: ...i Direc tional Option Mode ECP For most printers the port should be set to ECP With some other parallel devices the setting should be Std Bi Directional d Sound system This item allows you to enable or disable the sound card ports Address IRQ DMA Enables the port Default Disabled Disables the port When Address IRQ DMA is selected a subwindow similar to the one below appears to let you set the I O ...

Страница 108: ...nfigure the computer with these options depends primarily on the kind of software or peripherals you use a Power up Modes This option lets you choose between AutoResume and boot mode You can also set this option using hotkeys AutoResume is effective with either the internal LCD or with an external monitor Boot Turns on boot mode Default Resume Turns on the AutoResume feature b CPU Cache Use this f...

Страница 109: ...ower The following shows low power settings BATTERY SAVE OPTIONS Processing Speed Low CPU Sleep Mode Enabled Display Auto Off 03 Min HDD Auto Off 03 Min System Auto Off 30 Min LCD Brightness Semi Bright Cooling Method Quiet NOTE In boot mode the System Auto Off message does not appear User Setting This option allows you to set the battery save parameters on the sub window BATTERY SAVE OPTIONS When...

Страница 110: ...lumination if the panel is not used for the duration set The duration xx can be set to 1 3 5 10 15 20 or 30 minutes HDD Auto Off Use this option to disable or set the duration of the HDD automatic power off function Disabled Disables display automatic power off xx Min Automatically turns off power to the hard disk drive if it is not used for the duration set The duration xx can be set to 1 3 5 10 ...

Страница 111: ...rocessing speed is increased e AlarmVolume Disables or sets the volume level of the alarm Setting this option to off disables the computer s sound function for alarms This option can also be set by hotkeys Off Disables the alarm Low Sets the alarm volume to low Medium Sets the alarm volume to medium High Sets the alarm volume to high Default When Alarm Volume is selected the subwindow below is dis...

Страница 112: ...tion lets you set the time for the system to turn on automatically For example if you are expecting to receive a modem transmission at a time when you are away or asleep you can set this option to the time of the transmission This option does not automatically turn off the system This feature operates in either Resume or boot mode 00 00 00 Sets the power on time 24 hour clock Disabled Disables the...

Страница 113: ...on in place of the Fn key Disabled No Fn key equivalent Default FN Equivalent Left Ctrl Left Alt Right Ctrl Right Alt Left Alt Left Shift Right Alt Right Shift Left Alt Caps Lock If these selections are made you cannot warm boot the system by pressing Ctrl Alt Del j PointingDevices Enables or disables the AccuPoint Auto selected The AccuPoint is disabled when a PS 2 mouse or serial mouse is connec...

Страница 114: ... HDD The computer looks for bootable files first on the FDD and next on the HDD Default HDD FDD The computer looks for bootable files first on the HDD and next on the FDD You can reverse the order by holding down the F10 key while the computer is booting This procedure alternates the setup setting ...

Страница 115: ...tart by removing the battery pack then follow the lines on the chart to determine which FRU you must remove next in order to repair the one you think is causing the computer to operate improperly Battery Pack Optional PC card Optional memory card Display FL inverter Board FDD CD ROM drive Mask LCD Module Hard disk drive FL Keyboard Sub battery VGA board RTC battery Top cover with display assembly ...

Страница 116: ...any metal jewelry or accessories such as necklaces bracelets or rings Batteries in the computer retain electrical charge so there is danger of electrical shock even when the computer is disconnected from an AC power source 3 Never work with wet or damp hands 4 The computer contains many sharp edges and corners so be careful not to injure yourself 5 Make sure that all replacement components meet th...

Страница 117: ...scribed in this manual 5 Do not perform any operations that are not necessary and use only the described procedures for disassembling and installing FRUs in the computer 6 After removing parts from the computer place them in a safe place away from the computer so they will not be damaged and will not interfere with your work 7 You will remove and replace many screws when you disassemble the comput...

Страница 118: ...h all other cables These connectors can be connected and disconnected by simply pulling them apart or pushing them together Assembly Procedures After you have disassembled the computer and fixed or repaired the problem that was causing the computer to operate abnormally you will need to reassemble the computer While assembling the computer remember the following general points Take your time makin...

Страница 119: ...and replace screws Tweezers to lift out screws that you cannot grasp with your fingers ESD mats for the floor and the table you are working on An ESD wrist strap or heel grounder Anti static carpeting or flooring Air ionizers in highly static sensitive areas Screw Tightening Torque When you fasten screws be sure to follow the torque list below Over tightening can damage components and screws under...

Страница 120: ...uter 2 Turn the computer over 3 Push the battery cover lock to release the battery cover 4 Push the cover forward until it stops about one centimeter or half an inch Figure 4 1 Removing the battery pack cover 5 Lift off the cover 6 Pull back the battery latch and lift out the battery pack Figure 4 2 Removing the battery pack NOTE For environmental reasons do not throw away a spent battery pack Ple...

Страница 121: ...d handled or disposed of Dispose of the battery as required by local ordinances or regulations Use only batteries recommended by Toshiba as replacements 1 Turn off the power to the computer Disconnect the AC power cord and all external cables connected to the computer 2 Carefully insert the new or recharged battery pack 3 Replace the battery cover and push it closed Be sure the battery latch is se...

Страница 122: ...to Figure 4 4 1 Turn off the power to the computer Disconnect the AC power cord and all external cables connected to the computer 2 Remove the battery pack as described in Section 4 2 3 Pull out the eject button and press it the top button for the top card and the bottom button for the bottom card The card will pop out slightly for removal Figure 4 4 Removing the PC card ...

Страница 123: ... protects the PC slot Insert the PC card through these flaps as shown in Figure 4 5 Figure 4 5 Installing the PC card 3 When the card is almost fully seated you will feel some resistance Press gently to assure a firm connection but do not force the card into position 4 When the card is fully seated an eject button will pop out the top button for the top connector and the bottom button for the bott...

Страница 124: ...the battery pack and Optional PC card as described in Sections 4 2 and 4 3 3 Turn the computer upside down 4 Remove two silver M2x4 screws securing the memory module socket cover 5 Slide your fingernail or a thin object under the cover and remove it Figure 4 6 Removing the memory module socket cover 6 Remove two silver M2x4 screws securing the module to a brace at the center of the module Figure 4...

Страница 125: ...le over the screw holes on the brace NOTE Do not touch the connectors on the memory module or on the computer Debris on the connectors may cause memory access problems 2 Place your fingers above the connector and press firmly but gently to assure a solid connection The module should be seated level 3 Secure the module to the brace with two silver M2x4 screws Figure 4 8 Installing the memory module...

Страница 126: ...cables connected to the computer 2 Remove the battery pack optional PC card and optional memory module as described in Sections 4 2 4 3 and 4 4 3 Turn the computer upside down 4 Press the release lever lock to unlock the release lever 5 Pull up on the lever to unsnap it Then raise it gently until the FDD pops out slightly Don t force the lever back too far Figure 4 9 Removing the FDD module 6 Gras...

Страница 127: ...es 4 13 7 Remove two M2x6 screws and four M2x3 screws and take off the upper plastic cover Figure 4 10 Removing the screws 8 Lift off the plate and remove the lower plastic cover Figure 4 11 Removing the plate ...

Страница 128: ... 3 Seat the FDD in the lower plastic cover and set the plate in place 4 Set the upper plastic cover in place and secure two M2x6 screws and four M2x3 screws 5 Slowly insert the FDD module into the computer Be careful to insert the drive straight and press gently so the drive is flush with the computer 6 Hold the FDD module flush to the computer and push the lever down until it snaps into place 7 L...

Страница 129: ...ted to the computer 2 Remove the battery pack optional PC card and optional memory module as described in Sections 4 2 4 3 and 4 4 3 Turn the computer upside down 4 Press the release lever lock to unlock the release lever 5 Pull up on the lever to unsnap it Then raise it gently until the CD ROM drive module pops out slightly Don t force the lever back too far Figure 4 13 Removing the CD ROM drive ...

Страница 130: ...rame to the CD ROM drive Figure 4 14 Removing the screws 8 Slide the drive partially out of the case 9 Remove the outer cover and disconnect the cable connector Figure 4 15 Removing the CD ROM drive 10 Remove the drive frame from the CD ROM drive 11 Remove the inner cover from the drive frame ...

Страница 131: ...er screws 4 Secure the drive frame to the drive with four M2x3 screws 5 Slowly insert the CD ROM drive module into the computer Be careful to insert it straight and press firmly so the drive is flush with the computer The release leverwill close partially 6 Hold the CD ROM drive module flush to the computer and push the lever down until it snaps into place 7 Lock the drive release lever lock 8 Ins...

Страница 132: ...ll external cables connected to the computer 2 Remove the battery pack optional PC card optional memory module and FDD or CD ROM drive as described in Sections 4 2 4 3 4 4 and 4 5 or 4 6 3 Remove two M2 5x6 screws securing the HDD frame brace to the computer 4 Pull the frame forward by its handle to disconnect the HDD 5 Remove the frame and brace with the HDD Figure 4 16 Removing the frame with th...

Страница 133: ...he steps below and refer to Figures 4 17 and 4 16 1 Secure the frame to the HDD with four flat head M3x4 screws 2 Attach the HDD frame brace to the HDD frame 3 Seat the HDD and frame in the computer then press to secure the connection 4 Secure the HDD frame to the computer with two M2 5x6 screws 5 Install the FDD or CD ROM drive optional memory module optional PC card and battery pack as described...

Страница 134: ...ct the AC power cord and all external cables connected to the computer 2 Remove the battery pack optional PC card optional memory module FDD or CD ROM drive and HDD as described in Sections 4 2 through 4 7 3 Release 14 latches on the base cover and remove it Begin along the front side Figure 4 18 Removing the keyboard base 4 Lift out the keyboard and set it on the wrist rest ...

Страница 135: ... five M2 5x6 screws securing the metal cover and lift out the cover Figure 4 19 Removing the metal cover 6 Disconnect the keyboard cable from PJ13 on the system board and lift out the keyboard Figure 4 20 Removing the keyboard ...

Страница 136: ...ure 4 21 then seat the metal cover and secure it with five M2 5x6 screws Make sure the plastic tab on the LED connector is under the metal cover Figure 4 21 Seating the metal cover 3 Fit tabs on the back of the keyboard into corresponding holes on the computer and lay the keyboard in place 4 Secure six latches on the back of the keyboard base two latches at the ends and six latches along the front...

Страница 137: ...ional PC card optional memory module FDD or CD ROM drive HDD and keyboard as described in Sections 4 2 through 4 8 3 Disconnect the sub battery from PJ503 and remove the battery WARNING If you replace the sub battery be sure to use only batteries recommended by Toshiba Installation of the wrong battery can cause the battery to explode or otherwise cause damage Figure 4 22 Removing the sub battery ...

Страница 138: ...rd from system board connector PJ16 Figure 4 24 Disconnecting the VGA board 6 Rotate the VGA board out and disconnect the VGA cables from PJ302 and PJ303 TFT model only on the VGA board Figure 4 25 Disconnecting the cables from the VGA board ...

Страница 139: ...board connector to PJ16 on the system board 3 Connect the microphone cable to PJ3 on the sound board Route the cable in a groove on the top cover and secure it with two tapes Figure 4 25 4 Seat the sub battery and connect the cable to PJ503 on the system board CAUTION Be sure to connect the sub battery connector to the white socket not the orange one The orange socket PJ10 is for the panel close s...

Страница 140: ...er cord and all external cables connected to the computer 2 Remove the battery pack optional PC card optional memory module FDD or CD ROM drive HDD keyboard sub battery and VGA board as described in Sections 4 2 through 4 9 3 Turn the computer upside down and remove three M2 5x8 silver screws and four M2 5x6 screws securing the top cover and display assembly Figure 4 27 Removing the top cover scre...

Страница 141: ... Removing the RTC battery 6 Disconnect the panel close sensor cable from PJ10 7 Pull up on the LED cable tab then remove the LED cable from PJ14 on the system board 8 Remove one M2 5x8 screw from the sub battery base 9 Remove the tape securing the ground cable and one M2 5x6 screw with ground cable from the system board 10 Release two latches at the back of the computer and lift up the top cover w...

Страница 142: ...e sensor cable to the orange socket not the white one The white socket PJ503 is for the sub battery cable If these connectors are switched the system will be damaged 4 Secure the ground cable with one M2 5x6 screw on the system board 5 Secure the sub battery base with one M2 5x8 screw 6 Connect the Real Time Clock battery to PJ3 on the system board Using the multimeter measure the voltage on the t...

Страница 143: ...oard RTC battery and top cover with display assembly as described in Sections 4 2 through 4 10 3 Remove four M2 5x6 screws and one M2 5x4 screw securing the sound board cover 4 Remove the sound board cover with Selectable Bay ground plate Figure 4 31 Removing the sound board cover 5 Remove one M2 5x6 screw securing the sound board 6 Remove the tape from the speaker cable and disconnect the speaker...

Страница 144: ... supply cover this cover is not removed until Section 4 12 Figure 4 32 Removing the sound board 11 Unlatch the audio jack cover on the sound board and remove it 12 Lift off the tape securing the membrane switch disconnect the membrane switch cable from PJ10 and lift out the switch Figure 4 33 Removing the membrane switch ...

Страница 145: ...ree cables sound board power cable CD ROM sound cable and speaker cable on top of the sound board 5 Align the flexible cable connector with PJ7 on the system board and press evenly to make the connection 6 Secure the sound board with one M2 5x6 screw 7 Connect three cables sound board power cable to PJ9 CD ROM sound cable to PJ11 and the speaker cable to PJ6 8 Secure the cables with tape 9 Seat th...

Страница 146: ...emory module FDD or CD ROM drive HDD keyboard sub battery VGA board RTC battery top cover with display assembly and sound board as described in Sections 4 2 through 4 11 3 Remove the tapes securing the CD ROM sound cable and disconnect it from PJ19 on the system board Note the location of the tapes 4 Remove one M2 5x6 screw securing the power supply cover and remove the cover 5 Remove one M2 5x6 s...

Страница 147: ...ter with one M2 5x6 screw Figure 4 34 3 Seat the power supply cover Make sure it fits under the speaker assembly and that one pin fits through the corresponding hole in the cover Secure one M2 5x6 screw 4 Connect the CD ROM sound cable to PJ19 on the system board Secure it with two tapes at their original positions 5 Install the sound board top cover with display assembly RTC battery VGA board sub...

Страница 148: ...board RTC battery top cover with display assembly sound card and speaker as described in Sections 4 2 through 4 12 3 Remove one M2 5x6 screw securing the battery terminal cover and lift off the cover 4 Remove the tape securing the AC PS unit cable and disconnect it from PJ502 Note how the cable is threaded 5 Remove the tape and one M2 5x10 screw securing the AC PS unit 6 Turn the AC PS unit out of...

Страница 149: ...to fit the AC PS unit s plastic cover into the notch on the holder assembly Figure 4 36 4 Secure the tape to the plastic plate and the AC PS unit Make sure the tape is placed just above the word CAUTION Figure 4 36 5 Secure the AC PS unit with one M2 5x10 screw 6 Connect the AC power cable to PJ502 and secure the cable on the left side of PJ16 with tape 7 Lay the battery terminal cover in place tw...

Страница 150: ...uring the infrared board 4 Disconnect the infrared board cable from PJ101 on the infrared board 5 Slide the infrared board clear of the notch on the computer and lift out the board Figure 4 38 Removing the infrared board Installing the Infrared Board To install the infrared board follow the steps below and refer to Figure 4 38 1 Connect the infrared board cable to PJ101 2 Slide the infrared board ...

Страница 151: ...mbly sound board speaker AC PS unit and infrared board as described in Sections 4 2 through 4 14 3 Remove eight M2 5x6 screws and one M2x8 screw securing the system board Selectable Bay connector cover VGA support ground plate and back guide assembly support 4 Lift off the Selectable Bay connector cover VGA support back guide assembly support and ground plate then lift up the front side of the sys...

Страница 152: ...ng on the system board 4 Connect the infrared board cable to PJ17 on the system board 5 To reinstall the shutter assembly for the PC card pull the eject button out as far as it will go then insert the assembly and reset the eject button 6 Set the back edge of the system board in the computer s I O port side and lower the board into place 7 Seat the VGA support back guide assembly support Selectabl...

Страница 153: ...TE It is not necessary to remove the top cover with display assembly 3 Remove two rubber seals from the display hinges and two rubber cushions from the top corners to expose screws securing the display mask NOTE Support the back of the display with your hand when you remove the screws 4 Remove four M2 5x6 screws that were covered by the rubber seals and cushions Figure 4 41 Removing the rubber sea...

Страница 154: ...mask in place and secure the latches beginning with four latches at the top of the display mask 2 Continue along the sides four latches and bottom of the display four latches NOTE Support the back of the display with your hand when you secure the screws 3 Secure the display mask with four M2 5x6 screws 4 Attach the two rubber seals and two rubber cushions to cover the screws 5 Install the optional...

Страница 155: ... 2 Remove the battery pack optional PC card optional memory module and display mask as described in 4 2 4 3 4 4 and 4 16 NOTE Support the back of the display with your hand when you remove the screws 3 Remove tape from the FL cable 4 Remove two M2 5x6 screws securing the FL inverter board Note the ground wire on the left screw 5 Disconnect the FL inverter cable from CN1 and the FL cable from CN2 o...

Страница 156: ...CN1 and the FL cable to CN2 on the FL inverter board NOTE Support the back of the display with your hand when you secure the screws 3 Secure the FL inverter board with two M2 5x6 screws Be sure the ground wire is secure on the left screw 4 Replace tape on the FL cable 5 Install the display mask optional memory card optional PC card and battery pack as described in Sections 4 16 4 4 4 3 and 4 2 ...

Страница 157: ...PC card optional memory module and display mask as described in Sections 4 2 4 3 4 4 and 4 16 NOTE Support the back of the display with your hand when you remove the screws 3 Remove two M2 5x6 screws securing the FL inverter board 4 Remove one M2 5x6 screw securing the contrast control board 5 Disconnect the contrast control cable from the contrast control board 6 Disconnect the FL inverter cable ...

Страница 158: ...to CN2 on the FL inverter board 3 Connect the contrast control cable to the contrast control board NOTE Support the back of the display with your hand when you secure the screws 4 Secure the contrast control board with one M2 5x6 screw 5 Secure the FL inverter board with two M2 5x6 screws 6 Install the display mask optional memory card optional PC card and battery pack as described in Sections 4 1...

Страница 159: ...2 Remove the battery pack optional memory module optional PC card display mask and FL inverter board as described in Sections 4 2 4 3 4 4 4 16 and 4 17 NOTE Support the back of the display with your hand when you remove the screws 3 Remove four M2 5x6 screws securing the LCD module to the LCD cover The screw at the lower left corner also secures the ground cable Figure 4 45 Removing the LCD module...

Страница 160: ...ure the display cable to the LCD cover with shielded tape 2 Connect the display cables to PJ2 PJ3 PJ4 and PJ5 on the flexible cable and connect the flexible cable to the display module 3 Carefully rotate the LCD module into the LCD cover Be sure the flexible cable fits securely into the clear plastic protector NOTE Support the back of the display with your hand when you secure the screws 4 Secure ...

Страница 161: ...ed in Sections 4 2 4 3 4 4 4 16 and 4 18 NOTE Support the back of the display with your hand when you remove the screws 3 Remove four M2 5x6 screws securing the LCD module to the LCD cover The screw at the lower left corner also secures the ground cable Figure 4 47 Removing the LCD module screws DSTN NOTE Metal edges on the LCD module are sharp so be careful not to cut yourself 4 Carefully rotate ...

Страница 162: ...nnect the flexible cable to CN IN on the LCD module 3 Connect the display cables to PJ2 PJ3 and PJ4 on the flexible cable and connect the flexible cable to the display module 4 Carefully rotate the LCD module into the LCD cover NOTE Support the back of the display with your hand when you secure the screws 5 Secure four M2 5x6 screws on the LCD module Make sure the ground cable is secured at the lo...

Страница 163: ...ted to the computer 2 Remove the battery pack optional memory module optional PC card display mask FL inverter board and LCD module as described in Sections 4 2 4 3 4 4 4 16 4 17 and 4 19 3 Place the FL face down and remove two M2x3 5 silver screws 4 Release two latches and remove the gold protective tape 5 Lift off the metal FL cover 6 Remove two M2x5 5 silver screws two M2x3 5 silver screws and ...

Страница 164: ... 49 1 Place the FL in the frame Lift up the white plastic cover to route the FL cable 2 Replace the white protective tape covering the FL 3 Rotate the two parts of the LCD PCB connected by a flexible cable back into place and press firmly to connect the LCD PCB to CN2 on the LCD module 4 Secure the LCD PCB with one M2x2 3 black screw 2 M2x3 5 and 2 M2x5 5 silver screws 5 Seat the metal FL cover 6 ...

Страница 165: ... 1 Turn off the power to the computer Disconnect the AC power cord and all external cables connected to the computer 2 Remove the battery pack optional memory module optional PC card display mask FL inverter board and LCD module as described in Sections 4 2 4 3 4 4 4 16 4 18 and 4 20 3 Turn the LCD module over and release four latches securing the FL mod ule to its frame 4 Remove two M2x6 screws F...

Страница 166: ... install the FL follow the steps below and refer to Figures 4 52 and 4 51 1 Seat the FL gently press it securely in place and cover the white FL cable with the reflector sheet Be careful not to pull or apply tension to the reflector sheet 2 Secure four latches 3 Secure two M2x6 screws 4 Install the LCD module FL inverter board display mask optional PC card optional memory module and the battery pa...

Страница 167: ...bly display mask FL inverter board LCD module and FL as described in Sections 4 2 through 4 22 3 Lift out the microphone Figure 4 53 Removing the microphone 4 Carefully pull the microphone cable through the upper cover Installing the microphone To install the microphone follow the steps below and refer to Figure 4 53 1 Carefully route the microphone cable through the upper cover 2 Seat the microph...

Страница 168: ...LCD module in the LCD cover be sure to seat it so that it is properly aligned and maximum visibility of the display is maintained 2 Be careful to align the holes at the four corners of the LCD module with the corresponding holes in the LCD cover before securing the module with screws Do not force the module into place because stress can affect its performance Also the panel s polarized surface is ...

Страница 169: ...ecommend a CRT cleaning agent Apply the agent to a cloth and then wipe the panel s surface Do not apply cleanser directly to the panel 4 If water or other liquid is left on the panel s surface for a long period it can change the screen s tint or stain it Be sure to quickly wipe off any liquid 5 Glass is used in the panel so be careful not to drop it or let it strike a hard object which could cause...

Страница 170: ... Be sure to wear a wrist or ankle ground when handling the module 7 Do not expose the module to direct sunlight or strong ultraviolet rays for long periods 8 Do not store the module at temperatures below specifications Cold can cause the liquid crystals to freeze lose their elasticity or otherwise suffer damage ...

Страница 171: ...LCD module Disassembly can cause malfunctions 10 If you transport the module do not use packing material that contains epoxy resin amine or silicon glue alcohol or oxime These materials can release gas that can damage the panel s polarization ...

Страница 172: ...420 Series B 1 Appendix B Board Layout B 1 System Board Front View Figure B 1 Board layout front ...

Страница 173: ...B 2 420 Series B 2 System Board Back View Figure B 2 Board layout back ...

Страница 174: ...se Sensor Connector M PJ11 Fan Connector N PJ12 Ext Keyboard Connector O PJ13 Keyboard Connector P PJ14 LED Connector Q PJ15 PC Card Slot Connector R PJ16 VGA Connector S PJ17 IrDA Board Connector T PJ18 Sound Board Power I F Connector U PJ19 CD Audio Connector Table B 2 System board ICs and connectors back Mark Number Name A IC1 CPU B IC2 SCPCNT GA C IC3 SISCNT GA D IC4 to IC7 System Memory E IC1...

Страница 175: ... 100 I O 07 HD34 100 I O 08 HD38 100 I O 09 HD33 100 I O 10 GND 11 B3V 12 HD39 100 I O 13 HD32 100 I O 14 HD40 100 I O 15 HD44 100 I O 16 HD41 100 I O 17 HD45 100 I O 18 B3V 19 GND 20 HD42 100 I O 21 HD46 100 I O 22 HD43 100 I O 23 HD47 100 I O 24 HD16 100 I O 25 HD20 100 I O 26 GND 27 B3V 28 HD17 100 I O 29 HD21 100 I O 30 HD18 100 I O 31 HD22 100 I O 32 HD19 100 I O 33 HD23 100 I O 34 B3V 35 GND...

Страница 176: ...100 I O 71 HD53 100 I O 72 HD50 100 I O 73 HD54 100 I O 74 GND 75 B3V 76 HD51 100 I O 77 HD55 100 I O 78 HD56 100 I O 79 HD60 100 I O 80 HD57 100 I O 81 HD61 100 I O 82 HD58 100 I O 83 HD62 100 I O 84 HD59 100 I O 85 HD63 100 I O 86 GND 87 CAS1 001 O 88 CAS0 001 O 89 CAS3 001 O 90 CAS2 001 O 91 CAS5 001 O 92 CAS4 001 O 93 CAS7 001 O 94 CAS6 001 O 95 NC 96 NC 97 NC 98 NC 99 EMWE0 001 O 100 GND 101 ...

Страница 177: ...ssignments 3 pin Pin No Signal Name I O Pin No Signal Name I O 01 BATTERY 02 NC 03 GND C 4 PJ4 PRT RGB I F Connector 30 pin Table C 4 PRT RGB I F connector pin assignments 30 pin Pin No Signal Name I O Pin No Signal Name I O 01 PD7 100 I O 02 PD6 100 I O 03 PD5 100 I O 04 PD4 100 I O 05 PD3 100 I O 06 PD2 100 I O 07 PD1 100 I O 08 PD0 100 I O 09 STROB 000 O 10 AUTFD 000 O 11 PINT 000 O 12 SLIN 000...

Страница 178: ...ET 000 O 03 IFSSEL 000 O 04 GND 05 IFTRK0 000 I 06 SD08 100 I O 07 SD07 100 I O 08 GND 09 GND 10 SD09 100 I O 11 SD06 100 I O 12 GND 13 IFWEN 000 O 14 SD10 100 I O 15 SD05 100 I O 16 GND 17 GND 18 SD11 100 I O 19 SD04 100 I O 20 GND 21 IFSTEP 000 O 22 SD12 100 I O 23 SD03 100 I O 24 GND 25 GND 26 SD13 100 I O 27 SD02 100 I O 28 GND 29 IFDIRC 000 O 30 SD14 100 I O ...

Страница 179: ...00 O 43 IOCRDY 100 I 44 GND 45 IFRDAT 000 I 46 DACK7 000 O 47 IRQCD 100 I 48 GND 49 GND 50 IOCS16 000 O 51 SA01 100 O 52 GND 53 IFWDAT 000 O 54 SA00 100 O 55 IFRADY 000 I 56 GND 57 GND 58 SA02 100 O 59 CDRCS0 000 O 60 GND 61 IFDASL 000 O 62 CDRCS1 000 O 63 IFINDX 000 I 64 VCC 65 VCC 66 VCC 67 VCC 68 VCC 69 DSKCHG 000 I 70 CDOUTL I 71 MBSTS0 100 I 72 AGNDL 73 CDRLED 000 I 74 CDOUTR I 75 MBSTS1 100 ...

Страница 180: ...0 I 025 GND 026 IFSSEL 000 O C 7 PJ7 Sound HDD Connector 90 pin Table C 7 Sound HDD connector pin assignments 90 pin Pin No Signal Name I O Pin No Signal Name I O 01 IPSSWR 000 I 02 DACK3 000 O 03 IPSSWL 000 I 04 IRQ14 100 I 05 DRQ3 100 I 06 IRQ10 100 I 07 DACK0 000 O 08 IRQ9 100 I 09 DRQ0 100 I 10 IRQ7 100 I 11 DACK1 000 O 12 IRQ5 100 I 13 DRQ1 100 I 14 CSPTON 001 O 15 ATBEEP 100 O 16 FIORD 000 O...

Страница 181: ...59 SPKVOL 100 O 60 SD12 100 I O 61 BLAWR 000 O 62 SD11 100 I O 63 GND 64 SD10 100 I O 65 RESET 000 O 66 SD09 100 I O 67 MSO 100 I 68 SD08 100 I O 69 HPVC O 70 GND 71 LOUTLM I 72 JOYR 000 O 73 LINRM O 74 JOYW 000 I 75 GND 76 MSI 100 O 77 LINLM O 78 LOUTRM I 79 GND 80 LOUTRP I 81 GND 82 LOUTLP I 83 GND O 84 LINRP O 85 MMCLK 86 LINLP O 87 GND 88 MSDATA 100 89 GND O 90 MLRCLK 100 C 8 PJ8 Asynchronous ...

Страница 182: ...C O 24 VCC 25 IFSTEP 000 O 26 IFAMO2 O 27 IFWDAT 000 O 28 IRQ7 110 I 29 IRQ9 110 I 30 IRQ12 110 I 31 ERROR 000 I 32 PE 100 I 33 ACK 000 I 34 PINT 000 O 35 STROB 000 O 36 PD1 100 I O 37 PD3 100 O 38 PD5 100 I O 39 GND 40 ARED 120 O 41 AGREEN 120 O 42 ABLUE 120 O 43 GND 44 GND 45 GND 46 GND 47 LA21 110 O 48 LA22 110 O 49 AEN 110 O 50 BALE 110 O 51 MEWR 010 O 52 IOCS16 010 O 53 MECS16 010 O 54 REFRSH...

Страница 183: ...3 110 O 101 GND 102 SD07 110 I O 103 SA16 110 O 104 SD05 110 I O 105 GND 106 SD03 110 I O 107 SA09 110 O 108 SD11 110 I O 109 GND 110 SD00 110 I O 111 SD13 110 I O 112 SD15 110 I O 113 GND 114 IFDIRC 000 O 115 IFWEN 000 O 116 IFRADY 000 I 117 IFSSEL 000 O 118 IFINDX 000 I 119 IFDAS2 O 120 IFLOWD 000 O 121 GND 122 PRDT2 000 I 123 MOUSCK 100 O 124 MOUSDT 100 I 125 MSO 100 O 126 MSI 100 I 127 GND 128...

Страница 184: ... JOYR 000 I 170 JOYW 000 O 171 GND 172 HVPC 173 LOUTLM O 174 LOURLP O 175 LINLM I 176 LINLP I C 10 PJ10 Panel Close Sensor Connector 2 pin Table C 10 Panel close sensor connector pin assignments 2 pin Pin No Signal Name I O Pin No Signal Name I O 01 PNLOFF I 02 GND C 11 PJ11 Fan Connector 2 pin Table C 11 Fan connector pin assignments 2 pin Pin No Signal Name I O Pin No Signal Name I O 01 VCC 02 G...

Страница 185: ...BOT10 000 O 12 KBOT03 000 O 13 KBOT04 000 O 14 KBOT05 000 O 15 KBOT06 000 O 16 KBOT07 000 O 17 KBOT08 000 O 18 KBOT01 000 O 19 KBOT00 000 O 20 IPSY 100 I 21 GND 22 IPSX 100 I 23 IPSY 100 I 24 VCC 25 IPSX 100 I C 14 PJ14 LED Connector 12 pin Table C 14 LED connector pin assignments 12 pin Pin No Signal Name I O Pin No Signal Name I O 01 GND 02 PONGRN 110 O 03 PONORG 110 O 04 DRVLED 110 O 05 CAPLED ...

Страница 186: ...6 CADB00 100 O 027 BVDA2 100 I 028 BVDB2 100 I 029 CADA01 100 O 030 CADB01 100 O 031 REGA 000 O 032 REGB 000 O 033 CADA02 100 O 034 CADB02 100 O 035 NC 036 NC 037 CADA03 100 O 038 CADB03 100 O 039 WAITA 000 I 040 WAITB 000 I 041 CADA04 100 O 042 CADB04 100 O 043 CRESTA 100 O 044 CRESTB 100 O 045 CADA05 100 O 046 CADB05 100 O 047 NC 048 NC 049 CADA06 100 O 050 CADB06 100 O 051 CADA25 100 O 052 CADB...

Страница 187: ...6 CADB09 100 O 097 CADA09 100 O 098 CADB09 100 O 099 IORA 000 O 100 IORB 000 O 101 CADA11 100 O 102 DADB11 000 O 103 NC 104 NC 105 OEA 000 O 106 OEB 000 O 107 CE2A 000 I O 108 CE2B 000 I O 109 CADA10 100 I O 110 CADB10 100 I O 111 CDA15 100 I O 112 CDB15 100 I O 113 CE1A 000 O 114 CE1B 000 O 115 CDA14 100 I O 116 CDB14 100 I O 117 CDA07 100 I O 118 CDB07 100 I O 119 CDA13 100 I O 120 CDB13 100 I O...

Страница 188: ... 26 GND 27 PDNVGA 000 O 28 A02 100 I 29 CLKVGA 100 O 30 A03 100 I 31 GND 32 A04 100 I 33 RESET 000 O 34 A05 100 I 35 PANEL1 100 I 36 A06 100 I 37 PANEL0 100 I 38 GND 39 FLTEN 000 O 40 A07 100 I 41 BE0 000 42 A08 100 I 43 BE1 000 O 44 A09 100 I 45 GND O 46 A10 100 I 47 MIO 000 O 48 A11 100 I 49 D00 100 I O 50 GND 51 D01 100 I O 52 A12 100 I 53 D02 100 I O 54 A13 100 I 55 D03 100 I O 56 A14 100 I 57...

Страница 189: ... D19 100 I O 96 D27 100 I 97 D20 100 I O 98 GND 99 D21 100 I O 100 D26 100 I O 101 D22 100 I O 102 D25 100 I O 103 D23 100 I O 104 GND 105 D24 100 I O 106 Y7 100 O 107 GND 108 Y6 100 O 109 MVSYNC 100 110 Y5 100 O 111 UV7 100 O 112 Y4 100 O 113 UV6 100 O 114 Y3 100 O 115 UV5 100 O 116 GND 117 UV4 100 O 118 Y2 100 O 119 GND 120 Y1 100 O 121 UV3 100 O 122 Y0 100 O 123 UV2 100 O 124 HREF 100 O 125 UV1...

Страница 190: ...ND 05 DASKRX 100 O C 18 PJ18 Sound Board Power I F Connector 6 pin Table C 18 Sound board power I F connector pin assignments 6 pin Pin No Signal Name I O Pin No Signal Name I O 01 VCC 02 VCC 03 GND 04 GND 05 GND 06 PVT C 19 PJ19 CD Audio Connector 4 pin Table C 19 CD audio connector pin assignments 4 pin Pin No Signal Name I O Pin No Signal Name I O 01 CDOUTL O 02 AGNDL O 03 CDOUTR O 04 AGNDR O ...

Страница 191: ...2 _ 0C 8C 4E F0 4E 13 0D 8D 55 F0 55 15 BkSp 0E 8E 66 F0 66 16 Tab 0F 8F 0D F0 0D 17 Q 10 90 15 F0 15 18 W 11 91 1D F0 1D 19 E 12 92 24 F0 24 20 R 13 93 2D F0 2D 21 T 14 94 2C F0 2C 22 Y 15 95 35 F0 35 23 U 16 96 3C F0 3C 2 24 I 17 97 43 F0 43 2 25 O 13 98 44 F0 44 2 26 P 19 99 4D F0 4D 2 27 1A 9A 54 F0 54 28 1B 9B 5B F0 5B 29 42 2B AB 5D F0 5D 5 30 Caps Lock 3A BA 58 F0 58 31 A 1E 9E 1C F0 1C 32 ...

Страница 192: ...53 33 B3 41 F0 41 2 54 34 B4 49 F0 49 2 55 35 B5 4A F0 4A 2 57 Shift R 36 B6 59 F0 59 58 Ctrl 1D 9D 14 F0 14 3 60 Alt L 38 B8 11 F0 11 3 61 Space 39 B9 29 F0 29 62 ALT R E0 38 E0 B8 E0 11 E0 F0 11 75 Ins E0 52 E0 D2 E0 70 E0 F0 70 1 76 Del E0 53 E0 D3 E0 71 E0 F0 71 1 79 E0 4B E0 CB E0 6B E0 F0 6B 1 80 Home E0 47 E0 C7 E0 6C E0 F0 6C 1 81 End E0 4F E0 CF E0 69 E0 F0 69 1 83 E0 48 E0 C8 E0 75 E0 F0...

Страница 193: ...3 119 F8 42 C2 0A F0 0A 120 F9 43 C3 01 F0 01 121 F10 44 C4 09 F0 09 122 F11 57 D7 78 F0 78 3 123 F12 58 D8 07 F0 07 3 124 PrintSc 6 6 6 6 6 126 Pause 7 7 7 7 7 202 Fn 4 Notes 1 Scan codes differ by mode 2 Scan codes differ by overlay function 3 Combination with Fn key makes different codes 4 Fn key does not generate a code by itself 5 This key corresponds to key No 42 in 102 key model 6 Refer to ...

Страница 194: ...low With left Shift With right Shift Set 1 E0 AA E0 B6 E0 2A E0 36 Set 2 E0 F0 12 E0 F0 59 E0 12 E0 59 Table D 3 Scan codes in Numlock mode Cap Key Code set 1 Code set 2 No top Make Break Make Break 75 INS E0 2A E0 52 E0 02 E0 AA E0 12 E0 70 E0 F0 70 E0 F0 12 76 DEL E0 2A E0 53 E0 D3 E0 AA E0 12 E0 71 E0 F0 71 E0 F0 12 79 E0 2A E0 4B E0 CB E0 AA E0 12 E0 6B E0 F0 6B E0 F0 12 80 Home E0 2A E0 47 E0...

Страница 195: ...0 4E CE 79 F0 79 52 M 0 52 D2 70 F0 70 53 33 B3 41 F0 41 54 53 D3 71 F0 71 55 E0 35 E0 B5 40 4A E0 F0 4A Table D 6 Scan codes with Ctrl key Key Code set 1 Code set 2 top Shift Make Break Make Break Prt Sc Common E0 2A E0 37 E0 B7 E0 AA E0 12 E0 7C E0 F0 7C E0 F0 12 Ctrl E0 37 E0 B7 E0 7C E0 F0 7C Shift E0 37 E0 B7 E0 7C E0 F0 7C Alt 54 D4 84 F0 B4 Table D 7 Scan codes with Alt key Key Code set 1 C...

Страница 196: ...420 Series E 1 Appendix E Key Layouts E 1 United States US Keyboard Figure E 1 US keyboard E 2 United Kingdom UK Keyboard Figure E 2 UK keyboard ...

Страница 197: ...E 2 420 Series E 3 German GR Keyboard Figure E 3 GR keyboard E 4 French FR Keyboard Figure E 4 FR keyboard ...

Страница 198: ...420 Series E 3 E 5 Spanish SP Keyboard Figure E 5 SP keyboard E 6 Italian IT Keyboard Figure E 6 IT keyboard ...

Страница 199: ...E 4 420 Series E 7 Scandinavian SC Keyboard Figure E 7 SC keyboard E 8 Swiss German SL Keyboard Figure E 8 SL keyboard ...

Страница 200: ...PD1 17 SLIN 2 PD0 11 BUSY Figure F 1 Printer wraparound connector F 2 RS 232 C Wraparound Connector 3 TD 2 RD 7 RTS 8 CTS 1 CD 4 DTR 6 DSR 9 RI Figure F 2 RS 232 C wraparound connector F 3 RS 232 C Direct Cable 9 Pin to 9 Pin 3 TD 2 RD 4 DTR 6 DSR 8 CTS 9 RI 7 RTS 1 CD 5 GND 5 GND 2 RD 3 TD 1 CD 7 RTS 6 DSR 4 DTR 8 CTS 9 RI Figure F 3 RS 232 C direct cable 9 pin to 9 pin ...

Страница 201: ... 420 Series F 4 RS 232 C Direct Cable 9 Pin to 25 Pin 1 CD 4 RTS 2 RD 2 TD 3 TD 3 RD 4 DTR 5 CTS 6 DSR 22 RI 5 GND 7 GND 7 RTS 8 CD 6 DSR 20 DTR 8 CTS 9 RI Figure F 4 RS 232 C direct cable 9 pin to 25 pin ...

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