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4-44

T1960CS/T1960CT

Installing the T1960CT Fluorescent Lamp

To install the T1960CT’s fluorescent lamp, follow the steps below and refer to Figures 4-36
to 4-38. Note that there are separate grooves for the lamp and its white cable.

1.

Slip the lamp’s

plastic shield

between the lamp and its

white cable

and lay the

lamp into its groove.

2.

Lay the cable into its groove, pressing down gently so that it is held in place by the
small tongues in the groove.

3.

Route the

white

and

blue cables

as shown in Figure 4-38. Make sure the cables

are pressed down snugly so they will not be pinched by other components.

4.

Lay the

metal cover

on the LCD panel making sure the latches marked by circles

in Figure 4-37 fit into their corresponding

notches

on the LCD panel. First, fit the

larger latch

at the center of the edge facing the inverter board into its

notch

,

which should guide the other fittings into position.

5.

Slide the

metal cover

back into place to secure the latches.

6.

Secure the metal cover with

six M2x4 screws

(Figure 4-36).

7.

Install the LCD module, FL inverter board, display mask, top cover, optional
PCMCIA card, optional memory card and battery pack as described in Sections
4.17, 4.16, 4.12, 4.5, 4,4, 4.3 and 4.2.

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Summary of Contents for T1960CS

Page 1: ... The 3 5 inch Floppy Disk Drive FDD supports 2HD floppy disks 1 44 MB and 2DD floppy disks 720 Kbytes Memory The T1960CS T1960CT comes standard with 4 MB of CMOS Random Access Memory RAM 3 3 Volts This includes 640 KB of conventional memory and 3 456 KB of extended memory which can be utilized as expanded memory compatible with the Lotus Intel Microsoft Expanded Memory Specifications LIM EMS STN c...

Page 2: ...rt The Centronics compatible parallel interface port serves two purposes the port can be used to connect a Centronics compatible printer or an external 5 1 4 floppy disk drive RS 232 C port The RS 232 C port is a 9 pin serial interface port Mouse port The 6 pin mouse port on the back supports an IBM PS 2 mouse Keyboard port The 6 pin keyboard port on the back supports an IBM PS 2 keyboard Microsof...

Page 3: ... 3 The T1960CS T1960CT Personal Computer is shown in Figure 1 1 and its system configuration is illustrated in Figure 1 2 Figure 1 1 T1960CS T1960CT Personal Computer Figure 1 2 T1960CS T1960CT System Unit Configuration ...

Page 4: ...1 4 T1960CS T1960CT 1 2 System Unit Block Diagram Figure 1 3 is a block diagram of the T1960CS T1960CT system unit Figure 1 3 T1960CS T1960CT System Board Block Diagram ...

Page 5: ...dar and clock while the remaining 114 bytes are used for the system configura tion data OSC X3 generates 32 768 KHz for RTC A Keyboard Controller KBC An M37452M4 chip is used The KBC which includes the keyboard scan controller and keyboard interface control ler controls the internal keyboard external keyboard port PS 2 mouse port and Ball Point Quick Port Memory Standard RAM 4 MB Cache memory 8 KB...

Page 6: ...rface Controller SMI Controller VL Bus Controller Bus Controller Compatible Bus Interface Controller Compatible Access Controller DMAC Controller I O Controller Address Latch Controller 32 Bit to 16 Bit Controller Address Latch DMA Address Generator Refresh Address Generator I O Register Compatible I O Port Saving the data of the Register in Resume Mode Controller Toshiba Special Register 50 MHz 2...

Page 7: ...d its specifications are listed in Table 1 1 Figure 1 4 3 5 inch FDD Table 1 1 3 5 inch FDD Specifications Item 2 MB mode 1 MB mode Storage capacity KB Unformatted 2 000 1 000 Formatted 1 311 737 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 135 135 Data transfer rate Kbps 500 250 Rotation speed ...

Page 8: ...ions are listed in Table 1 2 Figure 1 5 2 5 inch HDD Table 1 2 2 5 inch HDD Specifications 200MB 320MB MK1624FCV MK2326FC Storage capacity MB Formatted 213 0 340 0 Number of disks 2 3 Data heads 4 6 Data surfaces 4 6 Tracks per surface 1 560 1 830 Sectors per track Bytes per sector 512 512 Access time ms Track to track 3 3 Average 13 12 Maximum 25 25 Rotation speed rpm 4 000 4 200 Data transfer ra...

Page 9: ...yboard is mounted on the T1960CS T1960CT s system unit The keyboard is connected to the keyboard controller on the system board through a 19 pin flat cable The keyboard is shown in Figure 1 6 See Appendix F for optional keyboard configurations Figure 1 6 Keyboard ...

Page 10: ...GA The LCD receives vertical and horizontal synchronizing signals 16 bit data signal 8 bit upper block data signal 8 bit lower block data signal and shift clock for data transmission All signals are CMOS level compatible The STN LCD is shown in Figure 1 7 and its specifications are listed in Table 1 3 Figure 1 7 STN Color LCD Table 1 3 STN Color LCD Specifications Item Specifications Number of Dot...

Page 11: ...rd supplies high frequency current to light the LCD s Fluorescent Lamp Specifications for the FL inverter are listed in Table 1 4 Table 1 4 STN Color FL Inverter Board Specifications Item Specifications Input Voltage VDC 5 Power W 6 Output Voltage VAC 1 000 Current mA 5 0 x 2 Frequency KHz 42 ...

Page 12: ...udes the functions of Video Graph ics Array VGA and Super VGA SVGA for external display The LCD receives 9 bit data signals data enable signals and shift clock for data transmission All signals are CMOS level compatible The TFT LCD is shown in Figure 1 8 and its specifications are listed in Table 1 5 Figure 1 8 TFT Color LCD Table 1 5 TFT Color LCD Specifications Item Specifications Number of dots...

Page 13: ...ter board supplies high frequency current to light the LCD s Fluorescent Lamp Specifications for the FL inverter are listed in Table 1 6 Table 1 6 FL Inverter Board Specifications Item Specifications Input Voltage VDC 5 Power W 3 Output Voltage VAC 1 100 Current mA 5 0 Frequency KHz 47 ...

Page 14: ...Controls the LED indicator 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 7 Table 1 7 Power Supply Output Rating DC Regulation Maximum Use for Name Vo...

Page 15: ... computer when you enable AutoResume Battery Indicator The Battery indicator is located on the top cover of the T1960CS T1960CT The indicator shows the status of the removable battery pack power supply and AC adapter The status of each can be determined by color Orange The battery is being charged AC adapter is attached Green The battery is fully charged AC adapter is attached No light The AC adap...

Page 16: ...ge when the system is powered off and trickle charge when the system is powered on Table 1 9 Time Required for Charges of the Main Battery Charge Charging Time Quick charge power off About 1 4 hours Trickle charge power on About 48 hours If one of the following occurs the battery quick charge process stops 1 The battery becomes fully charged 2 The AC adapter or battery is removed 3 The battery or ...

Page 17: ... 1 10 Backup Battery Charging Data Preservation Time Backup Battery Time Charging Time Power On 16 H Power Off with AC Adapter 60 H Power Off Without AC Adapter Doesn t charge Data preservation period full charge 8 H 1 9 4 RTC Battery The RTC battery provides power to keep the current date time and other setup information in memory while the computer is turned off Table 1 11 shows the charging tim...

Page 18: ...iled replacement procedures are given in Chapter 4 The following tools are necessary for implementing the troubleshooting procedures 1 A T1960CS T1960CT Diagnostics Disk 2 A Phillips head screwdriver 2 mm 3 A Toshiba MS DOS system disk s 4 A 2DD or 2HD formatted work disk for testing the floppy disk drive 5 A cleaning kit for troubleshooting the floppy disk drive 6 A printer port LED 7 An RS 232 C...

Page 19: ... her 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 equipme...

Page 20: ...T1960CS T1960CT 2 3 Figure 2 1 Troubleshooting Flowchart 1 2 ...

Page 21: ...g procedures as follows 1 If an error is detected on the System Test Memory Test Display Test ASYNC Test Printer Test or Real Timer Test perform the System Board Troubleshooting Procedures in Section 2 4 2 If an error is detected on the Keyboard Test perform the Keyboard Troubleshoot ing Procedures in Section 2 7 3 If an error is detected on the Floppy Disk Test perform the Floppy Disk Drive Troub...

Page 22: ...C adapter is connected and supplying power When the DC IN indicator is green the AC adapter is connected and supplying power to the computer If the DC IN indicator does not light the AC adapter is not supplying power or the AC adapter is not attached to the computer go to Check 1 If the DC IN indicator is flashing green the AC adapter s voltage supply is abnormal or the power supply is not functio...

Page 23: ...nd the battery is being charged If the indicator does not glow go to Check 1 Check 1 Make sure the AC adapter s cable and AC cord are firmly plugged into the DC IN socket and wall outlet If these cables are connected correctly go to Check 2 Check 2 Make sure the battery pack is installed in the computer correctly If it is go to Check 3 Check 3 Remove the battery pack and check that the battery ter...

Page 24: ...maged refer to Chapter 4 for instructions on how to disas semble the T1960CS T1960CT then perform the following checks Check 1 Replace the lower system board with a new one and restart the system If the problem still exists go to Check 2 Check 2 Replace the upper system board with a new one and restart the system If the problem still exists other FRUs may be damaged ...

Page 25: ...ing properly Start with Procedure 1 and continue with the other procedures as instructed The procedures described in this section include Procedure 1 Message Check Procedure 2 Printer Port LED Check on Boot Mode Procedure 3 Printer Port LED Check on Resume Mode Procedure 4 Diagnostic Test Program Execution Check Procedure 5 Replacement Check ...

Page 26: ...heck system Then press F1 key e Error in CMOS Bad time function Check system Then press F1 key 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 as the message instructs the system configuration in the RTC memory configuration is set to the default setting If err...

Page 27: ...ocedures in Section 2 6 If error message 23 or 24 displays go to the FDD Troubleshooting Procedures in Section 2 5 1 TIMER CH 2 OUT ERROR 2 PIT ERROR 3 MEMORY REFRESH ERROR 4 FIRST 64KB MEMORY ERROR 5 RTC ERROR 6 CRTC ERROR 7 VRAM ERROR 8 KBC ERROR 9 SYSTEM MEMORY ERROR 10 SYSTEM MEMORY PARITY ERROR 11 EXTENDED MEMORY ERROR 12 EXTENDED MEMORY PARITY ERROR 13 DMA PAGE REGISTER ERROR 14 DMAC 1 ERROR...

Page 28: ...printer port LED into the computer s PRT FDD connector 4 Hold down the space bar and turn on the power to the computer 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 ...

Page 29: ...CMOS Bad check sum Error in CMOS Bad configuration Error in CMOS Bad memory size Error in CMOS Bad HDD type Error in CMOS Bad time function Check system Then press F1 key 18H PIC initialization 1FH Display initialization CRTC ERROR VRAM ERROR READ DATA XXXXXXXXH WRITE DATA XXXXXXXXH 22H KBC test KBC ERROR 25H System memory test SYSTEM MEMORY ERROR ADDRESS XXXXXXXXH READ DATA XXXXXXXXH WRITE DATA X...

Page 30: ...C 1 ERROR 65H FDD initialization NO FDD ERROR FDD ERROR 70H Printer test 80H RS 232 C test 90H Timer initialization TIMER INTERRUPT ERROR RTC UPDATE ERROR A0H NDP initialization A6H Expansion I O ROM FFH Expansion system ROM Check 1 If any of the following error codes display go to Procedure 5 01h 05h 06h 07h 0Ah 0Bh 0Dh 15h 16h 18h 1Fh 22h 25h 30h 40h 41h 42h 54h 55h 65h 70h 80h 90h A0h A6h Check...

Page 31: ...o hexadecimal notation 7 If the final LED status is FFh normal status go to Procedure 4 8 If the final LED status matches any of the test status values in Table 2 2 go to Procedure 5 Table 2 2 Printer Port LED Resume Mode Error Statuses Error Status Meaning of Status 00H RAM BIOS error F0H Press the reset switch F1H Suspend process error The system will suspend while FDD is accessed etc F2H The sy...

Page 32: ...odes go to Check 1 06H 07H 0AH 0BH 0DH 15H 18H 1FH 22H 25H 54H 55H 90H If the IRT test detects any of the following codes go to Check 2 01H 05H 16H 30H 40H 41H 42H 65H 70H 80H A0H A6H If any of the following diagnostic tests detect an error go to Check 1 System Test Memory Test Real Timer Test If any of the following diagnostic tests detect an error go to Check 2 Printer Test ASYNC Test PCMCIA Tes...

Page 33: ...lean the FDD heads using the cleaning kit If the FDD still does not function properly after cleaning go to Proce dure 3 If the test program cannot be executed on the T1960CS T1960CT go to Procedure 2 Procedure 2 External 5 25 inch FDD Check The floppy disk controller on the computer s system board controls the internal and external FDD To determine if either the system board or the internal FDD is...

Page 34: ...is disabled 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 drive 80h Time out e...

Page 35: ...ck 1 Make sure the FDD cable is firmly connected to the system board FDD PJ202 System board If the cable is disconnected reconnect it and repeat Procedure 3 If the FDD is still not functioning properly perform Check 2 Check 2 The FDD or its cable may be defective or damaged Replace the FDD with a new one following the steps in Chapter 4 If the FDD is still not functioning properly perform Check 3 ...

Page 36: ...disk turn on the computer then 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 DOS p...

Page 37: ... do 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 computer If the er...

Page 38: ... message appears on the display the HDD is formatted Format complete If any other message appears on the display refer to the Toshiba MS DOS Manual for more information and perform Check 2 Check 2 Using the T1960CS T1960CT Diagnostic Disk format the HDD with the low level format option Refer to Chapter 3 Tests and Diagnostics for more informa tion about the diagnostic program If the following mess...

Page 39: ...ses 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 enable 20h HDC error 40h Seek error 80h Time out error AAh Drive not ready BBh Undefined error CCh Write fault E0h Status error EEh Access time out error FFh Data compa...

Page 40: ...oning properly Procedure 2 Connector and Replacement Check The keyboard is connected to the system board by a 19 pin flat cable This cable may be disconnected or damaged Disassemble the T1960CS T1960CT as described in Chapter 4 and perform the following checks Check 1 Make sure the keyboard cable is not damaged and is connected to the system board Keyboard cable PJ4 System board If this cable is d...

Page 41: ... Connect the external CRT to the T1960CS T1960CT s 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 Procedur...

Page 42: ...es 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 T1960CS Display Connection Figure 2 4 T1960CT Display Connection If any of these cables are not connected firmly reconnect them and repeat Procedures 1 and 2 I...

Page 43: ...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 the display switch with a new one and test the display again If the problem still exi...

Page 44: ...f 19 programs that are grouped into the Service Program Module DIAGNOSTICS MENU and the Test Program Module DIAGNOSTIC TEST Menu The DIAGNOSTICS MENU consists of the following functions DIAGNOSTIC TEST HARD DISK FORMAT HEAD CLEANING LOG UTILITIES RUNNING TEST FDD UTILITIES SYSTEM CONFIGURATION SETUP The DIAGNOSTIC TEST option contains the following functional tests SYSTEM TEST MEMORY TEST KEYBOARD...

Page 45: ...25 inch FDD A cleaning kit to clean the floppy disk drive heads Head Cleaning A PCMCIA wraparound connector for the I O card test PCMCIA 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 The following sections detail the tests within the Diagnostic Test function of the DIAGNOS TIC TEST ...

Page 46: ... and type TEST195S T1960CS or TEST195T T1960CT and press Enter The following menu will appear TOSHIBA personal computer T19XXXX 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 exit t...

Page 47: ...tions 3 4 through 3 14 for detailed descriptions of Diagnostic Tests 1 through 11 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 Diagnostics Menu 4 Select the option you want to execute and press Enter The following message appears SYSTEM TEST XXXXXXX T1960 DIAGNOSTIC TEST VX XX Ctrl Break test e...

Page 48: ...test program when an error 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 The three selections have the following functions 1 Terminates the test program and exits to the subtest menu 2 Continues the test 3 Restarts the test from the error Selecting NO keeps the test running even if an ...

Page 49: ...y 82 84 02 Pressed key code display 03 PS 2 Mouse connect check 04 DCBP connect check 4 DISPLAY 01 VRAM read write 02 Character attributes 03 Character set 04 80 25 30 Character display 05 320 200 Graphics display 06 640 200 Graphics display 07 640 350 400 480 Graphics display 08 Display page 09 H pattern display Border color 10 LED DAC pallet 11 T1960CS 64 color display T1960CT TFT color display ...

Page 50: ...modem loopback 2400BPS 06 Interrupt test 8 HDD 01 Sequential read 02 Address uniqueness 03 Random 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 PCMCIA 01 I O card test PCMCIA ...

Page 51: ...tus This test reads and displays the hardware status as shown below 76543210 H W status 10001000 Bit7 Bit6 CPU clock 25MHz Bit5 Notch signal 2HD Bit4 FDD type 2MB Bit3 Bit2 Drive A B Ext B Bit1 External FDD OFF Bit0 Internal FDD 2HD Table 3 2 lists the hardware bit status for each bit tested Pressing Enter returns you to the Sub Test Menu Table 3 2 Hardware Bit Status Bit H W status 1 0 7 Reserved...

Page 52: ...ence data stored in the test program When the read information is lower than the reference data the speaker beeps and the test program displays the following screen image To exit this screen press the S key When the read information is higher the display is unchanged ROM BIOS V1 00 OK V1 10 ROM BOOT V1 00 OK V1 00 KBC Version V1 26 NG V1 00 PS Micom Version V1 35 OK V1 35 Reference data Current da...

Page 53: ... conventional memory program end to 640 KB then reads the new data and compares the result with the original data Subtest 03 RAM refresh real mode 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 operat...

Page 54: ... number that corresponds to the memory card installed in the computer Subtest 06 Backup memory This subtest writes constant data to memory from address C8000h to CFFFFh then reads new data and compares the result with the original data The constant data is 0000h 5555h AAAAh and FFFFh Subtest 08 Cache memory To test the cache memory a pass through write read comparison of 5A data is run repeatedly ...

Page 55: ...test 01 Pressed key display 82 84 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 key s display character to blink KEYBOARD TEST IN...

Page 56: ...are listed in Appendix E 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 a PS 2 mouse is connected or not If this test does not detect an e...

Page 57: ...e computer 2 Remove the DCBP driver software 3 Disconnect the PS 2 mouse This subtest checks whether a ball point mouse is connected or not If the test does not detect an error the program returns to the subtest menu If it detects an error the following message appears KBD DCBP INTERFACE ERROR HALT OPERATION 1 Test end 2 Continue 3 Retry ...

Page 58: ...displays the following character attribute modes normal intensified reverse and blinking as shown in the display below The character attribute modes display the foreground color and intensified color 16 colors or 16 level gray scale using black blue red magenta green cyan yellow and white from the color display The display below appears on the screen when this subtest is executed CHARACTER ATTRIBU...

Page 59: ...TEST menu press Ctrl Break Subtest 03 Character Set In this subtest the character set addressed 00h to FFh is displayed in the 40 25 character mode as shown below Press Enter KEY To exit this subtest and return to the DISPLAY TEST menu press Ctrl Break 320 200 GRAPHICS DISPLAY 13 PRESS ENTER KEY BLACK BLUE GREEN CYAN RED MAGENTA BROWN WHITE GRAY LIGHT BLUE LIGHT GREEN LIGHT CYAN LIGHT RED LIGHT MA...

Page 60: ...OPQRSTUVWXYZ _ abcdefghijklmnopq 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqr 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqrs 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqrst 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqrstu 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqrstuv 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqrstuv...

Page 61: ...0 Graphics Display mode 10 74 12 This subtest displays even dots odd dots and all dots in the 640x350 640x400 and 640x480 dot graphics modes 10 74 12 as shown below Pressing Enter changes the size of the displayed image To exit this subtest and return to the DISPLAY TEST menu press Ctrl Break 640 200 GRAPHICS DISPLAY X EVEN DOTS ODD DOTS ALL DOTS DRIVEN DRIVEN DRIVEN PRESS Enter KEY 640 XXX GRAPHI...

Page 62: ...HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH...

Page 63: ...ata and compares the result with original data To exit press Ctrl Break then press Enter Subtest 11 64 color graphics display T1960CS TFT color graphics display T1960CT This subtest displays seven screens The first shows many colors at once the next three display 64 shades of red green and blue successively and the last three display 64 shades of red green and blue Press Enter to change the displa...

Page 64: ...nd press Enter T1960CS Test drive number select 1 FDD 1 2 FDD 2 0 FDD1 2 T1960CT Test drive number select FDD 1 Select the drive using the arrow keys 2 Select the media type of the floppy disk in the test drive to be tested and press Enter T1960CS Media in drive X mode 0 2DD 1 2D 2 2D 2HD 2DD 3 2HD T1960CT Media in drive X mode 2DD Select the media type using the arrow keys 3 Select the track you ...

Page 65: ...sided double density double track 2DD and double sided high density double track 2HD Tracks 0 to 79 The start track is specified when the FDD test is started from the Diagnostic Test Menu Refer to Step 3 at the beginning of this section to set the start track Subtest 02 Sequential Read Write This subtest continuously writes data pattern B5ADADh to all the specified tracks selected in Step 3 above ...

Page 66: ...el number and press Enter to ex ecute the selected subtest Subtest 01 Ripple Pattern This subtest prints characters for codes 20h through 7Eh line by line while shifting one character to the left at the beginning of each new line 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmno 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnop 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopq...

Page 67: ... WIDTH PRINT 3 THIS LINE SHOWS COMPRESSED PRINT 4 THIS LINE SHOWS EMPHASIZED PRINT 5 THIS LINE SHOWS DOUBLE STRIKE PRINT 6 ALL CHARACTERS PRINT 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmn opqrstuvwxyz Subtest 03 Wraparound NOTE To execute this subtest a printer wraparound connector must be connected to the computer s printer port The printer wraparound con nector 34M741986G01 wiring dia...

Page 68: ...ected 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 connector wi...

Page 69: ...ecute this subtest a 2400 bps type card modem must be installed 2 It is not necessary to turn on power to the modem at the Setup option When you select this subtest the modem is powered on automatically 3 To execute this subtest set the PCMCIA Slot to Others in the Setup program This subtest sends data from the RS 232 C port to the built in modem The same data is then sent from the modem to the RS...

Page 70: ...ils The following messages will appear after selecting the hard disk test from the DIAGNOSTIC TEST menu Answer each of the questions with an appropriate response to execute the test 1 When you select the hard disk test from the DIAGNOSTIC TEST menu the following message will appear T1960CS Test drive number select 1 HDD 1 2 HDD 2 0 HDD1 2 T1960CT Test drive number select HDD 1 Select the drive usi...

Page 71: ...SS indicate which cylinder is being tested the fourth digit indicates the head and the 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 3 Subtest 01 Sequential Read This subtest is a sequential reading of all the tracks on the HDD starting at Track 0 When all the ...

Page 72: ... the 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 sp...

Page 73: ...X 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 Memor...

Page 74: ...are 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 1992 Current time 23 59 58 Pressing Enter displays the following Current date 01 01 1993 Current time 00 00 00 PRESS Enter KEY TO EXIT TEST Press Ctrl Break to exit ...

Page 75: ...ICS TEST Menu press Enter and follow the directions on the screen The NDP Test contains one subtest that tests the T1960CS T1960CT s NDP functions Subtest 01 NDP This test checks the following functions of NDP Control word Status word Bus Addition Multiplication Press Ctrl Break to exit ...

Page 76: ...CMCIA slot Address line REG CE 1 CE 2 line Data line Speaker line Wait line 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 ...

Page 77: ...Error 04 DCBP Interface Error 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 Not Drive Error 80 Time Out Error EE Write Buffer Error Printer 01 Time Out 08 Fault 10 Select Line 20 Out Of Paper 40 Power Off 80 Busy Line ASYNC 01 DSR On Time Out 02 CTS On Ti...

Page 78: ...or 0B Bad Track Error 10 ECC Error 11 ECC Recover Enable 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 PCMCIA C1 Address Line Error C2 REG Line Error C3 CE 1 Line Error C4 CE 2 Line Error C5 D...

Page 79: ... HDC status register and error register are listed in Tables 3 4 and 3 5 Table 3 4 Hard Disk Controller Status Register Contents Bit Name Description 7 BSY 0 HDC is busy Busy 1 HDC is ready 6 DRDY 0 Hard disk drive is not ready to accept any commands Drive ready 1 Hard disk drive is ready 5 DWF 0 DWF error is not detected Drive write fault 1 Write fault condition occurred 4 DSC 0 The hard disk dri...

Page 80: ...rectable 1 Uncorrectable data error has been detected 5 Not used 4 IDNF 0 Other Identification 1 There was no ID field in the requested sector 3 Not used 2 ABRT 0 Other Abort 1 Illegal command error or a drive status error occurred 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 ...

Page 81: ...ontents of the hard disk onto a backup system This can be done with the Toshiba MS DOS BACKUP command See the Toshiba MS DOS manual for details 3 17 1 Function Description 1 All track FORMAT This option performs a low level format of all the tracks on the hard disk as listed in Table 3 6 below NOTE Before executing the All Track FORMAT option check for bad tracks using the Bad Track CHECK option o...

Page 82: ...tracks is displayed when the program is complete If an error other than a bad track is detected the program is automatically terminated 3 17 2 Operations CAUTION The contents of the hard disk will be erased when this program is executed Before executing the function transfer the contents of the hard disk onto a backup system This can be done with the Toshiba MS DOS BACKUP command See the Toshiba M...

Page 83: ... as shown below Enter the cylinder and head numbers of the bad tracks and press Enter Note that if there are no bad tracks pressing Enter alone is the same as executing All Track Format described in Item d below WARNING Current DISK data will be completely destroyed Press Bad cylinder number dddd key Press Bad head number dd key Enter the cylinder and head number in the format above in decimal not...

Page 84: ... a track as a bad track enter the number for the drive interleave cylinder and head as indicated in the screen prompts shown below Drive number select 1 1 2 2 Interleave number 1 1 8 Press Cylinder number dddd 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 when a b...

Page 85: ...lect 4 Head Cleaning from the DIAGNOSTICS MENU and press Enter to display the following messages 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 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 ...

Page 86: ...s 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 19 2 Operations 1 Select 5 Log Utilities from the DIAGNOSTICS MENU and press Enter Error information is logged into RAM or onto a floppy disk This information is displayed in the following format XXXXX ERRORS CNT TS NAME PASS STS ADDR WD RD HSTS STATUS NAME 001 FDD 02 00...

Page 87: ... 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 If an error retry OK condition occurs a capital R will be placed at the beginning of the error status However it is not added to the er...

Page 88: ...ork 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 Select 6 Running Test from the DIAGNOSTICS MENU and press Enter the following message will be displayed Printer wraparound test Y N Selecting Y Yes executes the printer wraparound test A printer wrap around connector must be connected to the P...

Page 89: ...and press Enter The following message will appear 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 ...

Page 90: ...48 67 5 TPI MFM mode 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 both 3 5 inch and 5 25 in...

Page 91: ... insert the work disk and press any key The following message will be displayed when the FDD format is ex ecuted FDD TYPE TRACK XXX FDD TYPE HEAD X FDD TYPE 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 DIAGNOSTI...

Page 92: ...as been copied the following message will appear Copy complete Another copy 1 Yes 2 No e To copy another disk type 1 and the message from Step a will be displayed again Entering 2 returns the test program to the DIAGNOS TICS MENU 4 DUMP program a When DUMP is selected the following message appears DIAGNOSTICS HARD DISK FLOPPY DISK DUMP VX XX Drive type select 1 FDD 2 HDD b Select a format type num...

Page 93: ...CT e Insert a source disk and press any key The following message will appear Max address Track 0079 Head 01 Sector 09 Track number f Set the track number you want to dump The system will access the disk and dump a list ...

Page 94: ...number of hard disk drives 8 The number of printer ports 9 Extended Memory Size 10 KBC version 11 PS Micom Version 3 22 2 Operations Select 8 System Configuration from the DIAGNOSTICS MENU and press Enter to display the system configuration SYSTEM CONFIGURATION BIOS ROM VERSION VX XX BOOT ROM VERSION VX XX 1 MATH CO PROCESSOR 639KB MEMORY 1 FLOPPY DISK DRIVE S 1 ASYNC ADAPTER 1 HARD DISK DRIVE S 1...

Page 95: ... Mode c LCD Display Colors T1960CT only d Power On Display T1960CT only 3 COM PCMCIA FDD PRT a Serial Port b PC Card Slot c External FDD PRT d Printer Port Type 4 Hard Disk 5 Power on Password 6 Others a Power up Mode b CPU Cache c Processing Speed d Battery Save Mode e Popup f Speaker g Battery Alarm h Panel Power On Off i Boot Priority 7 Battery Save Options a CPU Sleep Mode b HDD Auto Off c Dis...

Page 96: ...ays Are you sure Y N a To make other changes press N then repeat the steps above b To accept the changes press Y The system will reboot automatically NOTE You can press Esc to quit at any time without saving changes SETUP asks you to confirm that you do not want to save your changes Capacity MB BIOS version x xx SYSTEM SETUP Display Adapter VGA compatible LCD Display Mode Color LCD Display Colors ...

Page 97: ... s memory allocations Values are automatically calculated by the computer a Total Displays the total amount of memory installed b Base Displays the amount of base conventional memory 640 KB c Extended Memory Displays the amount of extended memory the computer has available d Shadow BIOS ROM Displays 128 KB of RAM which is reserved for the Shadow BIOS ROM 2 Display These options help you configure ...

Page 98: ... only Selects the color palette of the T1960CT s internal TFT display when the LCD Display Mode is set to Color 256K colors Displays 256 colors out of 262 144 180K colors Displays 256 colors out of 185 193 24K colors Displays 256 colors out of 24 576 512 colors Displays 256 colors out of 512 NOTE If the screen flickers with a certain LCD Display Colors setting select a setting that has a lower num...

Page 99: ...odem s COM level is automatically reset to Not Used b PC Card Slot Enables you to select how the PC Card slot is used PCMCIA Choose this selection when you have installed a PCMCIA card Default Others Choose this selection when you have installed a Toshiba card modem model PC 22 T24M or PC T24SL When you choose Others the subwindow below appears to let you control the modem s COM Port and power COM...

Page 100: ... Option Setting External FDD ID Internal FDD ID Printer default None A FDD A A B FDD B B A d Printer Port Type Sets the communication mode for the printer FDD port to either output only or bi directional It is effective only when the External FDD PRT option is set to Printer If FDD A or B is selected this setting is ignored and the mode is automatically set to bi directional For most printers the ...

Page 101: ... the kind of software or peripherals you use a Power up Mode Lets you choose between AutoResume and boot mode You can also set this option using the Pop up Window Boot Turns on boot mode Default Resume Turns on the AutoResume feature NOTE AutoResume does not work with the enhanced mode of Mi crosoft Windows unless the WRESUME driver is loaded b CPU Cache Enables or disables the CPU cache Enabled E...

Page 102: ...sabled HDD Auto Off Disabled Display Auto Off Disabled System Auto Off Disabled 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 subwindow Battery Save Op tions When you select User Setting the automatic setting feature Long Life or Normal Life is dis abled and the user preferred parameters become effective ...

Page 103: ...to automatically turn your computer on or off by opening or closing the display panel If this feature is enabled when the computer is in Resume mode the system automatically powers off when the display panel is closed and powers on when the panel is opened This option does not appear when the computer is in boot mode Enabled Enables the feature Disabled Disables the feature Default i Boot Priority...

Page 104: ...matic power off function This function causes the computer to turn the display illumination off if you make no entry for the set period of time Disabled Disables display automatic power off xx Min Automatically turns off power to the display illumi nation LCD panel if it is not used for the duration set The duration xx can be set to 1 3 5 10 15 20 or 30 minutes d System Auto Off Enables or disable...

Page 105: ...isplay T1960CS TFT Color LCD Display T1960CT Upper System Board Lower System Board Before You Begin Look over the procedures in this section before you begin disassembling the T1960CS T1960CT Familiarize yourself with the disassembly and reassembly steps then begin each procedure by removing the AC adapter and the battery pack as instructed in Section 4 2 The Battery Pack 1 Do not disassemble the ...

Page 106: ...iate test on the FRU you have fixed or replaced NOTE The illustrations in this chapter are based on the appearance of the T1960CS unless otherwise noted Disassembly Procedures The T1960CS T1960CT has two basic types of cable connectors Pressure Plate Connectors Normal Pin Connectors To disconnect a Pressure Plate connector pull the pressure plate s side tabs straight out toward the cable and slide...

Page 107: ...r damage the threads or the head of the screw and may prevent proper seating of an FRU After installing an FRU confirm that it and the computer are functioning properly Tools and Equipment The use of ElectroStatic Discharge ESD equipment is very important for your safety and the safety of those around you Proper use of these devices will increase the success rate of your repairs and lower the cost...

Page 108: ...latch and press the release button until it clicks The battery will pop out slightly 4 Firmly grasp the battery pack and pull it out Figure 4 1 Removing the Battery Pack Installing the Battery Pack NOTE The battery pack is designed to fit into the T1960CS T1960CT in only one way To install the battery pack follow the steps below and refer to Figure 4 1 1 Gently slide the battery pack into the batt...

Page 109: ...and all external cables connected to the computer 2 Remove the battery pack as described in Section 4 2 3 Open the cover to the expansion memory slot 4 Grasp the plastic tab and pull it so the card comes partially out of the computer 5 Grasp the optional memory card and pull it completely out Figure 4 2 Removing the Optional Memory Card CAUTION DO NOT touch the connecting edge of the memory card D...

Page 110: ...rked with the word insert and an arrow pointing toward the connecting edge Turn the memory card so that it is facing up and carefully insert the connecting edge arrow first into the slot Push gently to ensure a firm connection 2 Close the expansion memory cover 3 Install the battery pack as described in Section 4 2 4 The T1960CS T1960CT automatically configures all additional memory as ex tended m...

Page 111: ...he AC adapter power cord and all external cables connected to the computer 2 Remove the battery pack as described in Section 4 2 3 Open the PCMCIA card slot cover located below the memory card slot then slide the PCMCIA card sliding stopper to the left 4 Use a coin or similar object to slide the PCMCIA card release button on the bottom of the computer to pop the card slightly out 5 Grasp the card ...

Page 112: ...making sure the card is right side up and the contact surface is inserted first 2 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 3 Push the PCMCIA card sliding stopper into place then close the PCMCIA slot cover Figure 4 4 Installing the Optional PCMCIA Card 4 Install the battery pack as described ...

Page 113: ...nd all external cables connected to the computer 2 Remove the battery pack optional memory card and optional PCMCIA card as described in Sections 4 2 4 3 and 4 4 3 At the back of the computer remove the four M2 5x6 silver screws securing the top cover Figure 4 5 Figure 4 5 Removing Top Cover Screws 4 Turn the computer so the front faces you and open the display Lay the display back fully Put a boo...

Page 114: ...t by pressing on the front of the top cover just in front of the space bar and rotate the keyboard s front edge toward you to release the front latches Figure 4 6 8 Continue around the rim of the top cover until all latches are released then care fully lift up the top cover Figure 4 6 NOTES 1 The latch on the back left corner may catch To release this latch gently move the cover back and forth to ...

Page 115: ...Continue along the sides and snap the front latches last Figure 4 6 3 Secure the M2 5x10 screw above the function keys and replace the screw cover Figure 4 6 4 Close the display and set the RGB and PRT port protective covers in place 5 Secure the four M2 5x6 silver screws at the back of the unit Figure 4 5 6 Install the optional PCMCIA card optional memory card and battery pack as described in Sec...

Page 116: ...er power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card and top cover as described in Sections 4 2 through 4 5 3 Carefully lift up the keyboard to expose the keyboard connector 4 Disconnect the keyboard cable from pressure plate connector PJ4 on the upper system board and set the keyboard aside Figure 4 7 Removing the Keyb...

Page 117: ...ector PJ4 on the upper system board Figure 4 7 2 Seat the keyboard in the computer Note that a fold is built into the keyboard cable Do not try to bend the cable at any other point when you install the key board Figure 4 8 Figure 4 8 Seating the Keyboard 3 Install the top cover optional PCMCIA card optional memory card and battery pack as described in Sections 4 5 through 4 2 ...

Page 118: ...nd if attached disconnect the AC adapter power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card top cover and keyboard as described in Sections 4 2 through 4 6 3 Remove the tape next to the keyboard connector PJ4 4 Remove the five M2 5x6 screws securing the keyboard base plate to the bottom cover and lift off the plate Figur...

Page 119: ...lift out the backup bat tery Figure 4 10 Figure 4 10 Removing the Backup Battery 6 Remove the M2 5x6 screw from the front of the HDD and slide the HDD to the front to disconnect the HDD connector Figure 4 11 7 Lift out the HDD from the system unit Figure 4 11 Removing the HDD ...

Page 120: ...4 16 T1960CS T1960CT 8 Remove the four flat head M3x4 screws securing the bracket to the HDD and slip off the bracket Figure 4 12 Figure 4 12 Removing the Bracket from the HDD ...

Page 121: ... the lower system board correctly as shown in Figure 4 13 Figure 4 13 Connecting the HDD to the System Board 4 Route the backup battery cable in the space between the HDD and the battery cable insulator then place the backup battery in the backup battery slot Figure 4 10 5 Secure the M2 5x6 screw at the front of the HDD Figure 4 11 6 Set the keyboard base plate in place and secure it with the five...

Page 122: ... as described in Sections 4 2 through 4 7 3 Set the display unit at a 90º angle to the base and remove the two hinge covers from the left and right hinges Figure 4 14 Figure 4 14 Removing the Hinge Covers 4 Remove the display mask as described in Section 4 12 5 Remove the four M2 5x8 silver screws and two M2 5x10 screws on the system board cover Figure 4 15 Note that the M2 5x8 screw under the lef...

Page 123: ...switch cable from PJ6 on the system board 9 Remove the M2 5x6 silver screw at the back right corner of the computer 10 Lay the display back fully put a book or small box behind the display to support it and remove the two M2 5x8 silver screws on the display hinges securing the display Figure 4 16 11 Lift off the display assembly Figure 4 16 Figure 4 16 Removing the Display Assembly ...

Page 124: ...s 3 Connect the display sensor switch cable to PJ6 on the system board Figure 4 16 4 Connect the two display cables to PJ8 and PJ9 on the system board Figure 4 16 5 Secure the M2 5x6 silver screw on the back of the computer Figure 4 16 6 Set the system board cover in place and secure the display ground cable with an M2 5x8 silver screw Figure 4 15 7 Secure the system board cover with three M2 5x8 ...

Page 125: ...ry pack optional memory card optional PCMCIA card top cover keyboard HDD display mask and display assembly as described in Sec tions 4 2 through 4 7 4 12 and 4 8 3 Disconnect the mouse KB cable from PJ3 and RTC battery cable from PJ2 on the upper system board 4 Remove the M2 5x8 silver screw on the left side of the upper system board and M2x8 screw on the optional memory card connector 5 Pull up t...

Page 126: ... cable and mouse KB cable These cables must by connected to the PJ2 and PJ3 connectors on the top of the upper system board Be careful when you align power connector PJ5 on the upper system board and PJ501 on the lower system board If the connectors are not squarely aligned a short may occur causing damage to the system boards 2 Secure the M2 5x8 silver screw on the left side of the upper system b...

Page 127: ...isconnect the AC adapter power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card top cover keyboard HDD display mask display assembly and upper system board as described in Sections 4 2 through 4 7 4 12 4 8 and 4 9 3 Remove the RTC battery from the lower system board cover Figure 4 18 4 Disconnect the FDD cable from PJ202 on ...

Page 128: ...ift up the right side of the lower system board assembly and slide the assembly to the right to release the DC IN jack on the left side of the board then lift out the assembly CAUTION When you remove the lower system board assembly carefully slide the FDD cable out of the hole on the middle frame assembly Figure 4 19 Removing the Lower System Board Assembly 9 Turn the lower system board assembly o...

Page 129: ...ssembly into the middle frame assembly 2 Slide the lower system board into the middle frame assembly from left to right making certain that the DC IN jack fits into the hole on the right side of the middle frame assembly 3 Place the PCMCIA card ejector on the PCMCIA frame assembly The card ejector fits inside the walls of the PCMCIA frame assembly and hooks into the holes on the PCMCIA connector 4...

Page 130: ...DD cable hole 8 Secure the two M2 5x10 screws by the power supply circuits and connect the FDD cable to PJ202 Figures 4 18 and 4 19 9 Secure the M2 5x6 screw on the bottom of the unit Figure 4 19 10 Set the RTC battery in the RTC battery holder on the middle frame assembly Figure 4 18 11 Set the PCMCIA expansion slot cover in place and secure it with two M2 5x6 screws 12 Install the upper system b...

Page 131: ...ptional memory card optional PCMCIA card top cover keyboard HDD display mask display assembly upper system board and lower system board as described in Sections 4 2 through 4 7 4 12 4 8 4 9 and 4 10 3 Remove the two M2 5x6 silver screws on the mouse KB board assembly Figure 4 22 4 Lift the left side of the FDD unit with mouse KB board assembly and slowly pull it to the left to remove the assembly ...

Page 132: ... the FDD bracket on the FDD and secure it with the three M2x3 black screws Figure 4 24 2 Secure the mouse KB board with two M2 5x4 screws to the FDD bracket Figure 4 23 3 Place the FDD assembly in the computer right side first and secure the mouse KB board with two 2 5x6 silver screws Figure 4 22 4 Install the lower system board upper system board display assembly display mask HDD status indicator...

Page 133: ...cessary to remove the display assembly 3 Remove the two screw covers from the display hinges to expose two screws securing the display mask 4 Remove the two M2 5x6 silver screws that were covered by the screw covers 5 Carefully insert your fingers between the mask and the LCD panel and pry open the latches Start with the four latches across the top of the display mask 6 Continue unlatching the mas...

Page 134: ...e snaps in the large support and one snap in the small support 2 Continue along the bottom of the display two snaps along the sides four snaps on each side and across the top four snaps 3 Secure the cover with two M2 5x6 silver screws at the display hinges 4 Attach the two screw covers at each display hinge to cover the screws 5 Install the top cover optional PCMCIA card optional memory card and b...

Page 135: ...er 2 Remove the battery pack optional memory card optional PCMCIA card top cover and display mask as described in 4 2 4 3 4 4 4 5 and 4 12 3 Remove the four M2 5x6 screws securing the display support plate Figure 4 26 Figure 4 26 Removing the Display Support Plate 4 Remove the two M2 5x6 screws securing the FL inverter board Figure 4 27 5 Carefully rotate the FL inverter board out from right to le...

Page 136: ...7 2 Route the cables so they are not pinched by the FL inverter board display hinge or other component 3 Replace the FL inverter board and secure it with the two M2 5x6 screws Figure 4 27 4 Set the display support plate in place and secure it with four M2 5x6 screws One screw also secures the display ground cable Figure 4 26 5 Install the display mask top cover optional PCMCIA card optional memory...

Page 137: ...the M2 5x6 screw securing the LCD module to the LCD cover 4 Carefully rotate the LCD module from right to left out of the display cover and disconnect the three display cables from the LCD module Figure 4 28 Removing the T1960CS s LCD Module Installing the T1960CS LCD Module To install the T1960CS s LCD module follow the steps below and refer to Figure 4 28 1 Connect the three display cables to th...

Page 138: ...tached disconnect the AC adapter power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card top cover display mask display assembly FL inverter board and LCD module as described in Sections 4 2 4 3 4 4 4 5 4 12 4 8 4 13 and 4 14 3 Lay the color LCD module face down and use needle nose pliers to unbend the 16 latches holding the ...

Page 139: ... four M2x4 silver screws securing the FL unit and LCD panel to the back frame Figure 4 30 Figure 4 30 Removing the FL Screws 5 Pull out the reflective sheet from the LCD module 6 Lift out the FL Figure 4 31 Figure 4 31 Removing the FL ...

Page 140: ...d cover the FL with the reflective sheet Figure 4 31 2 Secure the LCD panel with four M2x4 screws Figure 4 30 3 Carefully bend the 16 latches back into place Figure 4 29 4 Install the color LCD module FL inverter board display assembly display mask top cover optional PCMCIA card optional memory card and battery pack as described in Sections 4 14 4 13 4 8 4 12 4 5 4 4 4 3 and 4 2 ...

Page 141: ...r power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card top cover and display mask as described in Sections 4 2 4 3 4 4 4 5 and 4 12 3 Remove the two M2 5x6 screws securing the FL inverter board 4 Rotate the FL inverter board out of its seating and disconnect the FL inverter cable from CN1 and the FL cable from CN2 on the F...

Page 142: ...to CN1 and the FL cable to CN2 on the FL inverter board 2 Seat the FL inverter board and route the cables so they will not be pinched by the display cover or other components 3 Secure the FL inverter board with the two M2 5x6 screws 4 Install the display mask top cover optional PCMCIA card optional memory card and battery pack as described in Sections 4 12 4 5 4 4 4 3 and 4 2 ...

Page 143: ...ff the power to the computer and if attached disconnect the AC adapter power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card top cover display mask and FL inverter board as described in Sections 4 2 4 3 4 4 4 5 4 12 and 4 16 3 Remove the three M2 5x6 screws securing the LCD module to the back frame of the computer Figure 4 ...

Page 144: ... Disconnect the display cable board from the LCD module Figure 4 34 Figure 4 34 Removing the LCD Module 6 Pull off the insulator attached by double sided tape 7 Disconnect the display cables from the display cable board to remove the board Figure 4 35 Figure 4 35 Removing the Display Cable Board ...

Page 145: ...isplay cable board to the LCD module Figure 4 34 3 Fix the insulator to the board pressing gently to secure the tape 4 Place the module in the cover and route the cables so they will not be pinched by the display panel or other components 5 Secure the panel with three M2 5x6 screws Figure 4 33 6 Install the FL inverter board display mask top cover optional PCMCIA card optional memory card and batt...

Page 146: ... computer and if attached disconnect the AC adapter power cord and all external cables connected to the computer 2 Remove the battery pack optional memory card optional PCMCIA card top cover display mask FL inverter board and LCD module as described in Sections 4 2 4 3 4 4 4 5 4 12 4 16 and 4 17 3 Turn the LCD module upside down and remove the six M2x4 silver screws Figure 4 36 Figure 4 36 Removin...

Page 147: ...n Figure 4 37 and lift off the cover Figure 4 37 Removing the Metal Cover 5 Hold up the plastic cover shielding the fluorescent lamp and lift the FL cable to remove the lamp Figure 4 38 The cable is held secure in its groove by small tongues so pry it out gently Figure 4 38 Removing the Fluorescent Lamp ...

Page 148: ...re 4 38 Make sure the cables are pressed down snugly so they will not be pinched by other components 4 Lay the metal cover on the LCD panel making sure the latches marked by circles in Figure 4 37 fit into their corresponding notches on the LCD panel First fit the larger latch at the center of the edge facing the inverter board into its notch which should guide the other fittings into position 5 S...

Page 149: ...le 1 When installing the 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 pane...

Page 150: ... recommend 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 cau...

Page 151: ...rge 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 ...

Page 152: ...he 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 panels polarization ...

Page 153: ...T1960CS T1960CT B 1 Appendix B Board Layout B 1 FA2SU T1960CS FA2PU T1960CT System Board Figure B 1 FA2SU FA2PU System Board front ...

Page 154: ...B 2 T1960CS T1960CT Figure B 2 FA2SU FA2PU System Board back ...

Page 155: ...d Connector F PJ2 RTC Battery Connector G PJ3 Mouse KB Connector H PJ4 Keyboard Connector I PJ6 Display Sensor Switch Connector J PJ8 9 LCD Connector Table B 2 FA2SU FA2PU System Board ICs and Connectors back Mark Number Name A IC2 System Controller Gate Array B IC4 to11 System Memory IC101 to IC108 FA2SU only IC104 to IC111 FA2PU only C IC16 Real Time Clock D IC21 22 Video Memory E PJ5 Power Supp...

Page 156: ...B 4 T1960CS T1960CT B 2 FA2SL System Board Figure B 3 FA2SL System Board front ...

Page 157: ...T1960CS T1960CT B 5 Figure B 4 FA2SL System Board back ...

Page 158: ...DD Connector E PJ202 Internal FDD Connector F PJ204 Serial Interface Connector G PJ501 Power Supply Connector H PJ206 Joint Connector I PJ502 DC IN Connector J PJ503 Backup Battery Connector K PJ504 Main Battery Connector Table B 4 FA2SL System Board ICs and Connectors back Mark Number Name A IC203 PCMCIA Controller Gate Array B PJ203 Internal HDD Connector C PJ205 PCMCIA Connector ...

Page 159: ...A02 101 O 58 MA03 101 O 15 B3V 59 MA05 101 O 16 MA04 101 O 60 MA07 101 O 17 VCC 61 MA09 101 O 18 MA06 101 O 62 GND 19 MA08 101 O 63 GND 20 MA10 101 O 64 GND 21 GND 65 RAS1 001 O 22 RAS0 001 O 66 CAS2 001 O 23 CAS0 001 O 67 GND 24 CAS1 001 O 68 CAS3 001 O 25 VCC 69 RAS3 001 O 26 RAS0 001 O 70 MEMWE2 001 O 27 B3V 71 NC 28 NC 72 NC 29 NC 73 GND 30 NC 74 NC 31 CAS0 001 O 75 NC 32 CAS1 001 O 76 NC 33 G...

Page 160: ...CC 07 EKBCLK 100 I O 03 VCC 08 GND 04 MOUSED 100 I O 09 GND 05 MUSECK 100 I O 10 GND C 4 PJ4 KB I F Connector 19 Pin Table C 4 KB I F Connector Pin Assignments 19 pin Pin Signal I O Pin Signal I O 01 KBOT00 001 O 11 KBOT03 001 O 02 KBRT6 100 I 12 KBOT04 001 O 03 KBRT0 100 I 13 KBOT05 001 O 04 KBRT2 100 I 14 KBOT06 001 O 05 KBRT3 100 I 15 KBOT08 001 O 06 KBRT1 100 I 16 KBOT02 001 O 07 KBRT7 100 I 1...

Page 161: ...07 SUSST 100 O I 27 CPUV 08 SRBTN 000 I O 28 CPUV 09 BFOFF 000 I O 29 GND 10 CBLON 000 I O 30 ALED 100 I O 11 NC 31 KEYPRS 100 O I 12 PNLOFF 000 O I 32 POPUP 100 O I 13 GND 33 KBCS 000 I O 14 GND 34 SPEAK 100 I O 15 VCC 35 IHMED 000 I O 16 VCC 36 SUBBAT 100 I O 17 VCC 37 TMOUT0 100 I O 18 VCC 38 IRQ13 100 O I 19 VCC 39 GND 20 VCC 40 GND C 6 PJ6 Display Switch Connector 2 Pin Table C 6 Display Swit...

Page 162: ... I O 71 SD12 100 I O 22 IORD 000 I O 72 SD13 100 I O 23 DMACLK 100 O I 73 SD14 100 I O 24 DMARDY 100 O I 74 SD15 100 I O 25 SMER 000 O I 75 LA20 100 I O 26 SMEW 000 O I 76 LA21 100 I O 27 DMAWR 000 I O 77 LA22 100 I O 28 DMARD 000 I O 78 LA23 100 I O 29 AEN 100 I O 79 MEWR 000 I O 30 DACK2 000 I O 80 MERD 000 I O 31 AEN1 100 I O 81 BALE 100 O I 32 ENPNBP 000 I O 82 SBHE 000 I O 33 IRQ8 100 O I 83 ...

Page 163: ...gnments 20 pin Pin Signal I O Pin Signal I O 01 LPF 110 O 11 SUD0 110 O 02 LCLK 110 O 12 SLD3 110 O 03 FPF 110 O 13 SLD0 110 O 04 GND 14 GND 05 SUD1 110 O 15 GND 06 CBLON 000 O 16 RESET 000 O 07 SUD3 110 O 17 LCVCC 08 SLD2 110 O 18 LCVCC 09 SUD2 110 O 19 FLCDV 10 SLD1 110 O 20 FLCDV C 10 PJ10 CRT I F Connector 15 Pin Table C 10 CRT I F Connector Pin Assignments 15 pin Pin Signal I O Pin Signal I O...

Page 164: ...in Signal I O 01 STROB 000 I O 14 AUTFD 000 I O 02 PDB00 100 I O 15 ERROR 000 I O 03 PDB01 100 I O 16 PINT 000 I O 04 PDB02 100 I O 17 SLIN 000 I O 05 PDB03 100 I O 18 GND 06 PDB04 100 I O 19 GND 07 PDB05 100 I O 20 GND 08 PDB06 100 I O 21 GND 09 PDB07 100 I O 22 GND 10 ACK 000 I O 23 GND 11 BUSY 100 I O 24 GND 12 PE 100 I O 25 GND 13 SELCT 100 I O ...

Page 165: ...ND 09 N C 22 GND 10 DSL O 23 GND 11 MON O 24 GND 12 WDAT O 25 GND 13 WEN O C 13 PJ202 Internal FDD Connector 26 Pin Table C 13 Internal FDD Connector Pin Assignments 26 pin Pin Signal I O Pin Signal I O 01 VCC 14 ISTEP 000 O 02 IINDEX 000 I 15 GND 03 VCC 16 IWDAT 000 O 04 IDSL 000 O 17 GND 05 VCC 18 IWEN 000 O 06 DSKCHG 000 I 19 GND 07 VCC 20 ITR0 000 I 08 IRDY 000 I 21 GND 09 IHMED 000 I 22 IWPR ...

Page 166: ...Q14 100 I 10 SD11 100 I O 32 IIO16 000 I 11 SD03 100 I O 33 SA01 100 I O 12 SD12 100 I O 34 NC 13 SD02 100 I O 35 SA00 100 I O 14 SD13 100 I O 36 SA02 100 I O 15 SD01 100 I O 37 HDC0CS 000 O 16 SD14 100 I O 38 HDC1CS 000 O 17 SD00 100 I O 39 DRVSL 000 I 18 SD15 100 I O 40 GND 19 GND 41 VCC 20 NC 42 VCC 21 NC 43 GND 22 GND 44 RVCC C 15 PJ204 Serial I F Connector 9 Pin Table C 15 Serial I F Connecto...

Page 167: ...5 IOW 000 O 12 CAD08 100 O 46 CAD17 100 O 13 CAD13 100 O 47 CAD18 100 O 14 CAD14 100 O 48 CAD19 100 O 15 CWE 000 O 49 CAD20 100 O 16 CBSY 000 I 50 CAD21 100 O 17 MCVCC 51 MCVCC 18 MCVP1 52 MCVP2 19 CAD16 100 O 53 CAD22 100 O 20 CAD15 100 O 54 CAD23 100 O 21 CAD12 100 O 55 CAD24 100 O 22 CAD07 100 O 56 CAD25 100 O 23 CAD06 100 O 57 NC 24 CAD05 100 O 58 CRST 100 O 25 CAD04 100 O 59 WAIT 000 I 26 CAD...

Page 168: ...al I O 01 DCIN 03 GND 02 GND C 18 PJ503 Backup Battery Connector 2 Pin Table C 18 Backup Battery Connector Pin Assignments 2 pin Pin Signal I O Pin Signal I O 01 SUBBAT 02 GND C 19 PJ504 Main Battery Connector 5 Pin Table C 19 Main Battery Pin Assignments 5 pin Pin Signal I O Pin Signal I O 01 BATT 04 GND 02 CBTH 05 GND 03 NC ...

Page 169: ...T1960CS T1960CT D 1 Appendix D USA Display Codes Table D 1 USA Display Codes ...

Page 170: ...5 12 _ 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 ...

Page 171: ... 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 7...

Page 172: ...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 Ta...

Page 173: ...e table above shows scan codes with the left Shift key In combination with the right Shift key scan codes are changed as listed below 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 E 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 ...

Page 174: ...C F0 6C 09 8 8 48 C8 75 F0 75 10 9 9 49 C9 7D F0 7D 11 0 37 B7 7C F0 7C 23 U 4 4B CB 6B F0 6B 24 I 5 4C CC 73 F0 73 25 O 6 4D CD 74 F0 74 26 P 4A CA 7B F0 7B 37 J 1 4F CF 69 F0 69 38 K 2 50 D0 72 F0 72 39 L 3 51 D1 7A F0 7A 40 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 E 6 Scan Codes with Ctrl Key Key Code Set 1 Code Set 2 top Shift...

Page 175: ...S T1960CT Table E 7 Scan Codes with Alt Key Key Code Set 1 Code Set 2 top Shift Make Make Pause Common E1 ID 45 E1 SD C5 E1 14 77 E1 F0 14 F0 77 Ctrl E0 46 E0 C6 E0 7E E0 F0 7E This key generates only make codes ...

Page 176: ...T1960CS T1960CT F 1 Appendix F Key Layout F 1 United States US Keyboard Figure F 1 US Keyboard F 2 United Kingdom UK Keyboard Figure F 2 UK Keyboard ...

Page 177: ...F 2 T1960CS T1960CT F 3 German GR Keyboard Figure F 3 GR Keyboard F 4 French FR Keyboard Figure F 4 FR Keyboard ...

Page 178: ...T1960CS T1960CT F 3 F 5 Spanish SP Keyboard Figure F 5 SP Keyboard F 6 Italian IT Keyboard Figure F 6 IT Keyboard ...

Page 179: ...F 4 T1960CS T1960CT F 7 Scandinavian SC Keyboard Figure F 7 SC Keyboard F 8 Swiss German SL Keyboard Figure F 8 SL Keyboard ...

Page 180: ...T1960CS T1960CT F 5 F 9 Canadian Specialized Keyboard Figure F 9 Canadian Keyboard F 10 Keycap Number Keyboard Figure F 10 Keycap Number Keyboard ...

Page 181: ... 3 PD1 17 SLIN 2 PD0 11 BUSY Figure G 1 Printer Wraparound Connector G 2 RS 232 C Wraparound Connector 3 TD 2 RD 7 RTS 8 CTS 1 CD 4 DTR 6 DSR 9 RI Figure G 2 RS 232 C Wraparound Connector G 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 G 3 RS 232 C Direct Cable 9 pin to 9 pin ...

Page 182: ...1960CS T1960CT G 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 G 4 RS 232 C Direct Cable 9 pin to 25 pin ...

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