manualshive.com logo in svg

Toshiba T4400SXC, Maintenance Manual

The Toshiba T4400SXC Maintenance Manual is a comprehensive guide that provides users with detailed instructions on servicing and maintaining their T4400SXC model. Easily downloadable for free from manualshive.com, this manual ensures users have the necessary information to keep their product running smoothly and efficiently.

Share
Download
background image

Summary of Contents for T4400SXC

Page 1: ... comes standard with 4 MB of CMOS Random Access Memory RAM 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 lntel Microsoft Expanded Memory Specifications LIM EMS o TFf color LCD A high resolution Liquid Crystal Display LCD 640x480 pixels 512 colors for both graphics and characters The T4400SXC internal d...

Page 2: ...e left side that can be connected to an external tenkey pad o Mouse port The T4400SXC has one 6 pin mouse port on the back that can be connected to an mM PS 2 mouse o RGB port The T4400SXC has one I5 pin ROB port on the back that can be connected to an external video display ...

Page 3: ... system configuration is shown in figure 1 2 Battery pack Figure 1 1 T4400SXC system unit PJ27 PJ19 PJ4 PJ5 PJ17 PJ18 PJ14 PJ9 Built in modem RS 232 C PJ7 PJ25 PJ13 I I PJ12 I I PJ21 I Sub battery PJ1 I RTC battery PJ3 Figure 1 2 System unit configuration 1 7 ...

Page 4: ...D PANEL ONIOFF SYS LA23 17 FY4LE2 CONT FDD CPU A23 2 344PIN SI SERIAL 80486SXI S015 0 T9901 1 P PRT FDD EXP 80486DXf Q 31 L 20BPIN 1 DMA x 2 25MHz PIC x 2 P23T SA19 0 PIT x 1 r SIOx2 s SPEAKER FDC x 1 L _ _ I VFO x 1 B I O S I S015 O KUP ROM L I r 32K x B 12BKxB V SA19 O 1 r RAMV I I 5V VCC S Y S L J uBUILT INMOOEM I 5V RAMV OCIN r RAM TYPEE 12V MAINBATTER 512KxB L RAMV T E BACKUPBAn MEMORY JiJV D...

Page 5: ...52M4 o A Power Supply Controller PSC 47C660 o The following memories Standard RAM 4MB 82C37 82C59 82C54 TC8565 TC8570 TC8568 Cash memory 8 KB inside CPU Backup RAM 32KB BIOS ROM 128 KB 96 KB are used This ROM contains Initial Reliability Test IRT Basic Input Output System BIOS and video BIOS Video RAM 256KB Optional memory cards expand memory to a maximum of 20 MB o System control gate array o VGA...

Page 6: ...pecifications for the FDD are described 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 1 475 737 Number of heads 2 2 Number of cylinders 80 80 Access time ms Track to track 3 3 Average 94 94 Head settling time 15 15 Recording track density tpi 135 135 Data transfer rate Kbps 500 250 Rotation ...

Page 7: ... 2 S inch HDD Table 1 2 2 S inch HDD specifications 80 MB CP 2084 120 MB CP 2124 120 MB MK2124FC Storage capacity MB Formatted 85 4 121 6 130 1 Number of disks 2 2 2 Data heads 4 4 4 Data surfaces 4 4 4 Track per surface 1 097 1 123 1 155 Sectors per track 38 1 53 1 55 1 Bytes per sector 512 512 512 Access time ms Track to track 5 3 5 Average 19 16 17 Maximum 40 40 36 Rotation speed rpm 3 486 3 48...

Page 8: ...is mounted on the T4400SXC s system unit The keyboard is connected to the keyboard controller on the system board through 19 pin flat cables The keyboard is shown in Figure 1 6 See Appendix E for optional keyboard configurations Figure 1 6 Keyboard 1 12 ...

Page 9: ...Video Graphics Array VGA The LCD receives vertical and horizontal synchronizing signals 8 bit data signals 4 bit upper data signal 4 bit lower data signal and shift clock for data transmission All signals are CMOS level compatible The TFf LCD is shown in Figure 1 7 The specifications for the LCD are described in Table 1 3 Figure 1 7 TFT LCD Table 1 3 TIT LCD specifications Item Specifications Numb...

Page 10: ...light the LCD s Fluorescent Lamp The specifications for the FL inverter are described in Table 1 4 Table 1 4 FL inverter specifications Item Specifications Input Voltage V 18 Power W 5 6 Output Voltage V 1100 rrns Max Current rnA 5 0x2 Frequency KHz 4 7 Bounds of current rnA 2 8 to 5 0 1 14 ...

Page 11: ...e 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 board is shown in figure 1 8 and the output rating is specified in table 1 5 Figure 1 8 Power supply board Table 1 5 Power supply board output rating DC Regulation...

Page 12: ...1 16 ...

Page 13: ... The following tools are required to perform the T4400SXC troubleshooting steps 1 A T4400SXC Diagnostics Disk 2 A Phillips head screwdriver 2 mm 3 An MS DOS system disk 4 An 2DD or 2HD formatted work disk for floppy disk drive testing 5 A Cleaning disk kit for the floppy disk drive troubleshooting 6 A Printer port LED 7 An RS 232 C wraparound connector 8 A Printer wraparound connector 9 A Multimet...

Page 14: ...kip the password unction Turn the POWER switch on Wait 5 seconds or more Perform the Power Supply I Troubleshooting Steps in section 2 3 Perform the System Board 1 Troubleshooting Steps in section 2 4 Perform the Display Troubleshooting Steps in section 2 8 Perform the System Board Troubleshooting Steps in section 2 4 If the Password message displays type the password then press ENTER To by pass t...

Page 15: ...rogram several times to isolate the problem After confirming which diagnostic test detected an error perform the appropriate troubleshooting steps below 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 steps in section 2 4 2 If an error is detected on the keyboard test perform the keyboard trou...

Page 16: ...charging the T4400SXC s battery pack The indicator labeled Battery lights red if power is supplied from the AC adapter when you connect the AC adapter to the T4400SXC and a wall outlet If the AC adapter s output voltage is abnormal or the power supply malfunctions this indicator blinks red or does not glow 1 Ifthe battery indicator blinks red see check 1 2 If the battery indicator blinks yellow se...

Page 17: ...dicator blinks at random the AC adapter or charging circuit may be damaged In this case replace the AC adapter with a new one If the problem still exists perform PROCEDURE 3 Check 2 When the main battery temperature is abnormal battery indicator blinks yellow and the system cannot charge the main battery Check 3 Make sure the AC adapter s cable and AC cord are fIrmly plugged into the DC IN 21 V so...

Page 18: ...still not functioning properly go to step 3 Check 1 The following cable connections connect the power supply board to the system board Power supply board PJ26 I System board PJ4 PJ27 Step 3 System Board and Power Supply Board Replacement Checklist The power supply board is connected to the system board Power is supplied to the power supply board from the DC IN plug The power supply board or the sy...

Page 19: ...n on the T4400SXC s power 2 If the system is loaded normally go to step 3 3 If any of the following messages are displayed on the screen press the Fl key to ex ecute the SETUP program Refer to part 3 Test and Diagnostics for more information about the T4400SXC s SETUP program Error in CMOS Bad battery Check system Then press Fl key Error in CMOS Bad check sum Check system Then press Fl key Error i...

Page 20: ...PIT ERROR MEMORY REFRESH ERROR FIRST 64KB MEMORY ERROR RTC ERROR CRTC ERROR VRAM ERROR KBC ERROR SYSTEM MEMORY ERROR SYSTEM MEMORY PARITY ERROR PROTECTED MODE ERROR CPU EXCEPTION ERROR EXTENDED MEMORY ERROR EXTENDED MEMORY PARITY ERROR EMS PAGE REGISTER ERROR EXPANDED MEMORY ERROR EXPANDED MEMORY PARITY ERROR DMA PAGE REGISTER ERROR DMAC 1 ERROR DMAC 2 ERROR PIC 1 ERROR PIC M 2 ERROR KEYBOARD ERRO...

Page 21: ...Printer Port LED Error Status 112 Error status Test Item Message 01H Pre init for warm start test 05H PIT test TIMER CH 2 OUT ERROR PIT ERROR READ DATA XXH WRITE DATA XXH 06H PIT initialization 07H PIT function test MEMORY REFRESH ERROR OAH First 64KB memory test FIRST 64KB MEMORY ERROR OBH System memory initialization OOH Interrupt vector initialization 15H RTC test RTC ERROR READ DATA XXH WRITE ...

Page 22: ...XXXOOOOH XXXXFFFFH 40H DMA page register test DMA PAGE REGISTER ERROR READ DATA XXH WRITE DATA XXH 41H DMAC test DMAC 1 ERROR READ DATA XXXXH WRITE DATA XXXXH DMAC 2 ERROR READ DATA XXXXH WRITE DATA XXXXH 42H DMAC initialization 4AH PIC test PIC U ERROR READ DATA XXH WRITE DATA XXH PIC 2 ERROR READ DATA XXH WRITE DATA XXH 54H Keyboard test KEYBOARD ERROR 55H KBC initialization KBC ERROR 5AH Mouse ...

Page 23: ...during the memory test ASYNC test or printer test go to step 5 3 If an error is detected during the floppy disk test refer to section 2 5 Floppy Disk Drive Troubleshooting Steps 4 If an error is detected during the hard disk test refer to section 2 6 Hard Disk Drive Troubleshooting Steps 5 If an error is detected during the keyboard test refer to section 2 7 Keyboard Trouble shooting Steps 6 If an...

Page 24: ...LED board PJ15 If these cables are disconnected or damaged connect or replace them as required If the T4400SXC is still not functioning properly go to step 5 Step 5 System Board Replacement 1 Replace the system boards as described in part 4 Replacement Procedures 2 If normal operation is restored after replacing the system board the original system board is probably defective 3 If normal operation...

Page 25: ...rt 3 Test and Diagnostics If the test program cannot be run go to Step 2 Step 2 External 5 1 4 FDD Checklist 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 defective check the following items Check 1 Connect the external 5 1 4 FDD to the PRT FDD port and make sure it functions properly ...

Page 26: ... the write protect tab is disabled If any other errors occur while executing the FDD diagnostics test go to Check 1 Table 2 3 Floppy disk drive error code and status 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 ...

Page 27: ...to the system unit Follow the checks below when replacing the FDD Check 1 Make sure the FDD cable is connected to the system board 1 FDD cable 1 11 System board If this cable is disconnected or damaged connect it to the system unit and repeat Step 3 If the FDD is still not functioning properly perfonn Check 2 Check 2 Replace the FDD with a new one If the FDD is still not functioning properly perfo...

Page 28: ...CKUP command Step 1 Message Checklist When the T4400SXC s HDD is not functioning properly some of the following error messages may appear on the display start with Check 1 below and perfonn the other checks as required Check 1 If the following messages appear perfonn Check 2 If the following messages do not appear perfonn Check 4 HDC ERROR After 5 seconds this message will disappear or HDD 0 ERROR...

Page 29: ... error message appears on the display refer to the MS DOS Manual for more information about the error message and perform Check 4 Check 4 The HDD is connected to the system board through an HDD interface cable and power cable These cables can become disconnected or damaged Disassemble the T4400SXC as described in part 4 Replacing T4400SXC Field Replaceable Units If the HDD is not connected connect...

Page 30: ...e display the HDD is fermatted Format complete If any other error messages appear on the display refer to the MS DOS Manual for more information about the error message and perform Check 2 Check 2 Using the T4400SXC test and diagnostic disk format the HDD with a low level format Refer to part 3 Test and Diagnostics for more information about the test and diagnostic program 2 22 If the following me...

Page 31: ...ve error code and descriptions Code Status 01h Bad command 02h Bad address mark 04h Record not found OSh HDC not reset 07h Drive not initialize 09h DMA boundary error OAh Bad sector error OBh Bad track error 10h ECC error 11h ECC recover enable 20h HDC error 40h Seek error BOh Time out error AAh Drive not ready BBh Undefined CCh Write fault EOh Status error FOh Not sense error HW code FF Check 1 R...

Page 32: ...nd Replacement Checklist The keyboard is connected to the system board by a 19 pin flat cable This cable can become disconnected or damaged Disassemble the T4400SXC as described in part 4 Replacement Procedures and follow the checks below Check 1 Make sure the keyboard cable is not damaged and is connected to the system board IKeyboard cable 1 1 lL _S_y_st_e_m_bo_a_rd_p_J_1_ 4 J If this cable is d...

Page 33: ...lay screen If the brightness does not change when you adjust it perfonn Step 2 Step 2 External CRT Checklist Connect the external CRT to T4400SXC s ROB port then reboot the computer The computer automatically detects the external CRT If the external CRT works correctly the internal display may be damaged Perfonn step 4 If the external CRT appears to have the same problem as the internal LCD the di...

Page 34: ...ule If these connectors are not connected connect them and perfonn steps 1 and 2 again IT the problem still exists perfonn step 5 Step 5 Replacement Checklist The FL inverter display module and system board are connected to the display circuits Perfonn checks 1 through 4 Check 1 Replace the FL inverter with a new one and test the display again If the problem still exists perfonn check 2 Check 2 Re...

Page 35: ...8 SETUP The Diagnostic Test Menu contains the following ten functional tests 1 SYSTEM TEST 2 MEMORY TEST 3 KEYBOARD TEST 4 DISPLAY TEST 5 FLOPPY DISK TEST 6 PRINTER TEST 7 ASYNCTEST 8 HARD DISK TEST 9 REAL TIMER TEST 10 NDPTEST To execute the T4400SXC Diagnostic test programs you will need the following equipment to perform some of the tests 1 The T4400SXC Diagnostics Disk all tests 2 A formatted ...

Page 36: ...ve A type TESTCE44 and press Enter The following menu will appear TOSHIBA personal computer T4400SX DIAGNOSTICS version X XX c copyright TOSHIBA Corp 1991 92 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 o SETUP PRESS 0 9 KEY Sections 3 16 through 3 22 provide detailed descriptions for ...

Page 37: ...13 for detailed descriptions of each Diagnostic Test 1 through 10 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 4 Select the test number you want to execute and press Enter The following message will appear SYSTEM TEST XXXXXXX T4400SX DIAGNOSTIC TEST VX XX Ctrl Break test end Ctr...

Page 38: ... 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 1 Terminates the test program execution and exits to the subtest menu 2 Continues the test 3 Restarts the test from the beginning of the test Selecting 2 displays the error status increases the error counter by one and proceeds to the next...

Page 39: ...4 02 Pressed key code display 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 TFT color display 5 FDD 01 Sequential read 02 Sequential readlwrite 03 Random address data 04 Write specifi...

Page 40: ... Address uniqueness 03 Random address data 04 Cross talk peek 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 3 10 ...

Page 41: ...s system board from address FOOOOh FFFFFh 64KB Subtest 02 HIW status This test reads and displays the T4400SXC s hardware status as shown below 76543210 H W status 10001000 Bit7 Bit6 BitS Bit4 Bit3 Bit2 Bit1 BitO CPU clock Notch signal FDD type Drive A B External FDD Internal FDD 25MHZ 2HD 2MB Ext B OFF 2HD Table 3 2 describes the hardware bit status for each bit tested Pressing Enter returns you ...

Page 42: ...ss Pattern Data The RAM address pattern data subtest writes address pattern data created by the eXclusive DRing XDRing to the address segment and address offset in conventional memory 0 to 640KB The address pattern data is then read from conventional memory and compared to the original data Subtest 03 RAM Refresh Real Mode The RAM refresh subtest writes a 256 byte unit of constant data AAAAh and 5...

Page 43: ... Backup Memory This subtest writes constant data OOOOh 5555h AAAAh and FFFFh to memory from address E8000h to EFFFFh The data is then read and compared to the original data Subtest 07 Hard RAM NOTE To execute this subtest Hard RAM must be set on the system The Hard RAM subtest writes a word unit of constant data OOOOh 5555h AAAAh and FFFFh to memory from address EOOOOh to E7FFFh The data is then r...

Page 44: ...ponding 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 PROGRESS 301000 Print Alt SysReq Pause Ctrl Break IF TEST OK PRESS DEL THEN ENTER KEY Subtest 02 Pressed Key Code Display 3 14 When a key is pressed the scan code character code and key top name are displayed on the screen in the f...

Page 45: ...3h The character attributes subtest 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 using black blue red magenta green cyan yellow and white from the color display The display below appears on the screen when the character attributes test...

Page 46: ...A YELLOW INTENSE WHITE Subtest 03 Character Set 3 16 In this subtest the character set address OOh to FFh is displayed in 40 25 character mode as shown below CHARACTER SET IN 40 25 CS Dot ld l J lIqy _ TJ _ _ T 0123456789 ABCDEFGHIJKLMNO PQRSTUVWXYZ _ abcde ghijkl mnopqrstuvw xyz A U6 a t sl l a11AA aeJEOOOail90 O YPt f tUO CifiNacl 3 ililB8IH I 1I llIil o J u l U 1 1 n nIHI T Ii U L r rrIf I rII ...

Page 47: ...KLMNOPORSTUVWXYZ jA 7abcdefqhljklmnopqrstuv 0123456189 ABCDEFGHIJKLMNOPORSTUVWXYZ jA 7abcdefqhljklmnopqrstuvw 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZ jA 7abcdefqhljklmnopqrstuvwx 0123456789 7 ABCDEFGHIJKLMNOPORSTUVWXYZ jA 7abcdefqhljklmnopqrstuvwxy 0123456789 7 ABCDEFGHIJKLMNOPORSTUVWXYZ jA 7abcdefqhljklmnopqrstuvwxyz 0123456189 7 ABCDEFGHIJKLMNOPORSTUVWXYZ jA 7abcdefqhljklmnopqrstuvwxyzl 0123456789...

Page 48: ...S DISPLAY EVEN DOTS DRIVEN PRESS ENTER KEY ODD DOTS DRIVEN ALL DOTS DRIVEN Subtest 07 640 350 400 480 Graphics Display Mode 10 12 and 74 3 18 This subtest displays the even dots odd dots and all dots block in 640 350 and 640 480 dots graphics mode 10 12 and 74 PDC mode only as shown below 640 XXX GRAPHICS DISPLAY XX EVEN DOTS DRIVEN PRESS ENTER KEY ODD DOTS DRIVEN ALL DOTS DRIVEN ...

Page 49: ...HHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHH...

Page 50: ...ps Num Overlay LED test 1 Press Fn Pgdn key Speed red 2 Press Fn Pgup key Speed green 3 Press Caps Lock key Caps on off 4 Press Num lock key Num on off 3 Press Fn key Overlay on off PRESS ENTER KEY Press Enter to display the following message Processor latch test Processor latchtest 1 256 times 2 endless Subtest 11 TFT Color Display This subtest displays the 64 and 256 gray scale about red green a...

Page 51: ...1 2 FDD 2 O FDDl 2 2 Select the media of the floppy disk in the test drive to be tested and press Enter Media in drive X mode O 2DD 1 2D 2 2D 2HD 2DD 3 2HD 3 Select the track you want the test to start on and press Enter Test start track Enter O dd OO 79 4 The subtest menu for the floppy disk test will appear after you select the start track number Select the number of the subtest you want to exec...

Page 52: ...ep 4 at the beginning of this section to set the start track Subtest 02 Sequential ReadIWrite This subtest continuously writes data pattern B5ADADh to all the specified tracks selected in subtest 1 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 The data is then read and c...

Page 53: ...ghl jklmno S 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ jA 7abcdefghijklmnop 4S 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ jA 7abcdefghljklmnopq 4S 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ jA 7abcdefghljklmnopqr S 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ jA 7abcdefghljklmnopqrs 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ1 jA 7abcdefghljklmnopqrst 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ jA 7abcdefghljklmnopqrstu 012345678...

Page 54: ... 3 The serial I O port address is specified by the XXXXh number The T4400SXC supports three serial port channels Select the serial port channel number and press Enter to start the subtest Subtest 01 Wraparound board This subtest checks the data send receive function through the wraparound connector NOTE To execute this subtest an RS 232 C wraparound connector 34M741621G01 must be connected to the ...

Page 55: ...sed with subtest 03 described above This subtest receives the data from the send side then sends the received data Subtest 05 Card Modem Loopback 1200 BPS NOTE To execute this subtest a built in modem must be installed 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 232 C port and compared to the original data When you select...

Page 56: ...execute the MS DOS FORMAT command Refer to the MS DOS manualfor details 1 When you select the hard disk test from the Diagnostic Test Menu the following message will appear Test drive number select 1 HDD l 2 HDD 2 O HDD1 2 2 Select the hard disk drive number to be tested and press Enter The following message will appear HDC F W error retry 1 yes 2 no 3 This message is used to select the retry oper...

Page 57: ...e test starts at the maximum track and reads the tracks on the HDD sequentially back to track O Subtest 02 Address Uniqueness The address uniqueness test writes unique address data to each sector of the HDD track by track The data written to each sector is then read and compared with the original data There are three ways the HDD can be read Forward sequential Reverse sequential Random Subtest 03 ...

Page 58: ... Specified Address This subtest reads data which has been written to a specified cylinder and head on theHDD Subtest 08 ECC Circuit This subtest checks the Error Check and Correction ECC circuit functions of the specified cylinder and head on the HDD Subtest 09 Sequential Write This subtest writes specified 2 byte data to all of the cylinders on the HDD Subtest 10 W R C Specified Address 3 28 This...

Page 59: ...is not correct input the correct date at the enter new date prompt and press Enter The Enter new time prompt will appear as shown below Enter new time 3 If the current time is not correct input the correct time After pressing Enter the test returns to the subtest menu in the REAL TIME TEST Subtest 02 Backup Memory This subtest writes I bit of on data to addresses Olh through 80h I bit of off data ...

Page 60: ...sor o Control word o Status word o Bus o Addition o Multiplication This test detennines whether or not an NDP is installed by sending 1 bit 1 to the NDP If the test detennines that an NDP is installed the test is executed This test also detennines if the CPU is a 486SX without an NDP or a DX with the NDP If the 486SX is installed the test isn t executed If the 486DX is installed the test is execut...

Page 61: ...ror 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 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 Time Out 04 RX Ready Time Out 08 T...

Page 62: ...nd 05 HDC Not Reset 07 Drive Not Initialize 09 DMA Boundary Error OA Bad Sector OB 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 CC Write Fault EO Status Error NDP 01 No CO PROCESSOR 02 Control Word Error 03 Status Word Error 04 Bus Error 05 Addition Error 06 Multiple Error 3 32 ...

Page 63: ... register are described 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 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 heads are not settled over ...

Page 64: ...or Uncorrectable 1 Uncorrectable data error has been detected 5 Not used 4 3 2 o IDNF Identification ABRT Abort TK09 Track 0 0 Otherwise 1 n There was no 10 field in the requested sector Not used 0 Otherwise 1 Illegal command error or a drive status error occurs 0 The hard disk has found track 0 during a recalibrate command 1 The hard disk could not find track 0 during a recalibrate command Not us...

Page 65: ...ents ofthe hard disk onto a floppy disk This can be done with the MS DOS BACKUP command See the MS DOS manualfor details 3 16 1 Program Description 1 All track FORMAT The all track format low level fonnats all the tracks on the hard disk as shown in Table 3 6 below NOTE Before executing the all trackformal checkfor bad tracks using the Bad track CHECK or the bad track level on HDD Table 3 6 Hard d...

Page 66: ...n a bad track is detected the program is automatically terminated 3 16 2 Operations 3 36 CAUTION After the HDD has been physicalformatted execute the MS DOS FDISK command to partition the HDD Next execute the MS DOS FORMAT command Refer to the MS DOS manualfor more information about using these commands 1 Selecting test 2 and pressing Enter in the Diagnostic Menu displays the following messages DI...

Page 67: ...e cylinder head XXXX XX message will appear and all the cylinders in the hard disk will be formatted and checked 6 After formatting the hard disk execute the verify check program When the verify check program is complete the following message will appear Format complete 6 Press Enter to return to the Hard Disk Fonnat menu 3 Good track format or bad track format selection 1 When the good track form...

Page 68: ...ete 6 Press Enter to return to the Hard Disk Format menu 4 Bad track check selection 1 When the bad track check is selected the following message will appear Drive number select 1 1 2 2 2 Select a drive number and press Enter The following message will appear Interleave number 1 1 8 3 Select an interleave number usually 1 and press Enter The following message is displayed and the bad tracks on the...

Page 69: ...4 from the Diagnostic Menu and pressing Enter displays 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 and 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 Diagnostics Men...

Page 70: ...ress ADDR 7 Write data WD 8 Read data RD 9 HDC status HSTS 10 Error status name 3 18 2 Operations 3 40 1 Selecting 5 and pressing Enter in the Diagnostics Menu logs error information into RAM or on the floppy disk The error information is displayed in the following format CNT 001 001 XXXXX ERRORS T NAME PASS STS ADDR FDD 02 0000 103 00001 FDD 01 TO 180 0 1 001 Address Error statu Pass count Subtes...

Page 71: ...age 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 the capital R will be placed at the beginning of error status but is not added to the error count 3 41 ...

Page 72: ...r will be generated during the FDD testing 1 Remove the diagnostics disk from the floppy disk drive and insert the working disk 2 Select 6 from the Diagnostic Menu and press Enter the following message will be displayed Printer wrap around test Y N Selecting Yes executes the printer wraparound test A printer wraparound connector must be connected to the PRTIFDD port on the back of the T4400SXC to ...

Page 73: ... 48 67 5 TPI MFM mode 512 bytes 9 sectors track 2 2DD Double sided double density double track 96 135 TPI MFM mode 512 bytes 9 sectors track 3 2HD Double sided high density double track 96 135 TPI MFM mode 512 bytes 18 sectors track 2 COpy This program copies from a source floppy disk to a target floppy disk 3 DUMP This program displays the contents of the floppy disks and the designated sectors o...

Page 74: ...e work disk and press any key The following message will be displayed when the FDD format is executed FDD TYPE FDD TYPE FDD TYPE Format start TRACK HEAD SECTOR xxx x XX track head XXX X After the floppy disk is formatted the following message will appear Format complete Another format 1 Yes 2 No 5 Typing 1 displays the message from step 3 Typing 2 returns the test to the Diagnostics Menu 3 Copy se...

Page 75: ...ed again Entering 2 returns the test program to the Diagnostics Menu 4 Dump selection 1 When dump is selected the following message appears Type select 0 2DD 2DD 1 2D 2D 2 2D 2HD 3 2HD 2HD 2 Select a format type number Type the number If 3 is selected the display will go to the message 5 below 0 Displays a dump list for a floppy disk 2DD 1 Displays a dump list for a floppy disk 2D 2 Displays a dum...

Page 76: ... The dump list will be displayed 9 After a dump list appears on the screen the following message will appear Press number key 1 up 2 down 3 end 1 Displays the next sector dump 2 Displays a previous sector dump 3 Displays the following message Another dump 1 Yes 2 No 10 If you type 1 the display will return to the message shown after step 1 If you type 2 the display will return the test program to ...

Page 77: ...ber of hard disk drives 7 A number of printer ports 8 Co processor 9 Extended memory size 3 21 2 Operations Selecting 8 from the Diagnostics Menu and pressing Enter displays the following system configuration SYSTEM CONFIGURATION BIOS ROM VERSION VX XX 640KB MEMORY COLOR GRAPH 80 Column 1 FLOPPY DISK DRIVE S 1 ASYNC ADAPTER 1 HARD DISK DRIVE S 1 PRINTER ADAPTER 0 MATH CO PROCESSOR XXXXXKB EXTENDED...

Page 78: ...splay adapter 2 Display device 3 LCD display mode 4 LCD display colors 3 Hard disk 4 Time date 5 COM PRT FDD 1 Serial port Built in modem 2 Built in modem power 3 External FDD PRT 4 Printer port type 6 Power on password 7 Others 1 Resume mode 2 Battery save mode 3 Cache 4 Pop up 5 Speaker 6 Battery alarm 8 Battery save option 1 Processing speed 2 CPU sleep mode 3 HDD auto off 4 Display auto off 5 ...

Page 79: ...Color LCD Display Colors 180K Colors rHARD DISK I Capacity 120MB r TIME DATE I 00 00 00 Mon Jan 01 1991 COMM PRT FDD Serial Port COMl IRQ4 3F8H Built in Modem COM2 IRQ3 2F8H External FOD PRT Printer Printer Port Type Output PCMER ON PASSWORD Not Registered OTHERS Resume Mode Resume Battery Save Mode Cache Popup Speaker Battery Alarm User setting Enable Enable On On i Select items Spce BkSp Change ...

Page 80: ...tion is selected for change 2 Use the arrow keys to move the cursor between options You can also select each option group by pressing the character on the keyboard corresponding to the fIrst character of the heading for each option group For example if you press D the cursor moves to the top of the option group DISPLAY 3 When the cursor highlights the value of an option you want to change use the ...

Page 81: ...careful not to use a disk containing data or you loose all data on the disk 3 22 4 SETUP Option Descriptions This subsection explains the possible values for each SETUP option Memory Total Amount of Built in Memory The SETUP program calculates the total amount of memory that is built in to the T4400SXC and displays it This is only for your information and cannot be changed Base Memory The SETUP pr...

Page 82: ...lects between using the CRT only CRT mode and using both the CRT and the color LCD display simultaneously dual display mode In either case if a CRT is connected to the T4400SXC the display mode of the color LCD display is set to either color or monochrome according to the type of the CRT color or monochrome In the dual display mode the display mode of the color LCD display agrees with the mode of ...

Page 83: ...can change these values by using the space and backspace keys COMlPRT FDD Serial PortlBuilt in Modem This option allows you to select either of COM levels COM or COM2 for the Serial Port and the Built in Modem The serial port interrupt level IRQ and I O port base address for each COM level are shown below COM level Interrupt level 110 address COM1 4 3F8h COM2 3 2F8h You can also disable each port ...

Page 84: ... A Printer Port Type This option sets the PRT FDD connector on the rear panel of the T4400SXC to either an output only or a bi directional port This option is valid only when the External FDD PRT option is set to printer This setting depends on the printer or other parallel devices you attach to the PRT FDD connector The options are Output Bi Directional When you have a printer connected you shoul...

Page 85: ...ppears Password Enter the currently registered password The character string you enter is displayed as a string of asterisks Password Press Enter If the character string you enter matches the registered password the password option is reset and the display changes to Not Registered If they do not match the following message appears along with a beep and the display returns to Registered Entry Erro...

Page 86: ...al Life Nonnal Life selects a set of battery save parameters suitable for nonnallife operation User Setting Cache If you select this option a sub window BATTERY SAVE OPTIONS appears displaying the set of battery save parameters This sub window is also infonnational purposes only and cannot be changed By selecting this option you can set the appropriate battery save parameters on the sub window BAT...

Page 87: ...e computer with the newly registered password If you reset the currently registered password and startup the computer press N This message appears Remove the disk and press Enter key After removing the disk the computer will startup when you press the Enter key Battery Save Option Processing Speed This option selects the CPU and the system bus speeds Some option boards are dependent on the system ...

Page 88: ... or disables the display automatic power off When automatic power off is enabled the duration can be programmed to any of the intervals listed below Disable Display automatic power off is disabled xx Min Display automatic power off is enabled The internal display is automatically powered off if you do not use it for the duration set here You can set the duration to 03 05 10 15 20 or 30 minutes The...

Page 89: ...ection before you begin disassembling the T4400SXC Familiarize yourself with the steps required to disassemble the T4400SXC in order to fix the FRU you think is causing the computer to operate abnormally Begin each procedure by removing the AC adapter and the battery pack as instructed in section 4 2 Removing the T4400SXC Battery Pack I Do not disassemble the T4400SXC unless it is operating abnorm...

Page 90: ... is flush with the sides of the connector Gently pull on the cable to make sure the cable is secure If you pull out the connecter connect it again making sure the sides of the connector are fully extended when you insert the cable The normal pin connectors connect the remaining cables which can be connected and disconnected by simply pulling them apart or pushing them together Assembly Procedures ...

Page 91: ...st of damaged or destroyed parts The following equipment is neces sary to disassemble and reassemble the T4400SXC DOne M2 Phillips head screwdriver to remove and replace screws o Tweezers to lift out screws that you cannot grasp with your fingers D ESD mats for the floor and the table you are working on D An ESD wrist strap or heel grounder D Anti static carpeting or flooring D Air ionizers in hig...

Page 92: ...er cord and all cables connected to the T4400SXC 2 Facing the right side of the computer push the battery cover release lever up A and slide the battery pack cover B toward the back of the T4400SXC exposing the battery and its pull tab Figure 4 1 Removing the battery pack cover 3 Finnly grasp the battery pack C pull tab D and pull the battery out of the computer Figure 4 2 Removing the T4400SXC ba...

Page 93: ...s below The battery pack will only fit in the T4400SXC in one direction 1 Insert the battery making sure the torsue on the battery is properly aligned with groove in the computer 2 Push the battery in until it locks into place Replace the battery pack cover and secure its latch 4 9 ...

Page 94: ...400SXC 2 Turn the T4400SXC over so that its front faces you 3 Push the notches B using narow object such as the tip of a covered ball point pen Then remove the EXP MEMORY cover A as shown in figure 4 3 below A Figure 4 3 Removing the memory card slot cover 4 Remove the optional memory card C from the system unit NOTE Do not touch the connecting edge ofthe memory card Debris or oil in or on the con...

Page 95: ...ecting edge Orient the memory card face down with its connecting edge facing the computer Carefully insert the card into the narrow slot Make sure the card is firmly connected in the memory card slot 2 Replace the EXP MEMORY cover and snap its latches into place The T4400SXC automatically configures all additional memory as extended memory Use the SETUP program to configure the additional memory 4...

Page 96: ...cted to the T4400SXC 2 Remove the battery pack and optional memory card as described in sections 4 2 and 4 3 3 Tum the T4400SXC over so that its front faces you 4 Remove the three front screws A M2x16 silver on the bottom cover if you are only removing the keyboard If you are also removing the top cover remove all six screws A B M2x6 as shown if figure 4 5 below 8 M2x6 Figure 4 5 Removing the six ...

Page 97: ...keyboard from the chassis NOTE After unsnapping the keyboard latches lift thefront ofthe keyboard up and lean it against the display panel The keyboard cable is short and can be damaged ifyou try to move the keyboard in any other direction before disconnecting it 8 Lift the keyboard F up exposing the metal cover plate G 9 Remove the two screws H M2x5 silver securing the metal plate as shown in fig...

Page 98: ...e case from the computer and place it aside as shown in figure 4 8 I M2x5 silver Figure 4 8 Removing the built in modem case 11 Disconnect the keyboard cable K from pressure plate connector PJ19 L on the system board M and place the keyboard aside L Figure 4 9 Disconnecting the keyboard cables ...

Page 99: ... sure you have connected the keyboard cable to the correct places on the system board Install the metal plate as shown in figure 4 7 and secure the two screws M2x5 silver removed in step 9 4 Lower the keyboard onto the chassis making sure the edges of the keyboard align with the chassis all the way around the keyboard Secure the latches on the front of the keyboard and recheck the alignment of the...

Page 100: ...mory card and keyboard as described in sections 4 2 4 3 and 4 4 3 Lift the lever A on the left side of the CPU socket B to release the CPU C from its socket Lift the lever up until you hear a click indicating the lever is fully extended Refer to figure 4 10 Figure 4 10 Releasing the T4400SXC CPU lever CAUTION Ifthe T4400SXC has been in operation recently prior to disassembling it the CPU s surface...

Page 101: ...right front corner of the CPU and the small yellow circle E on the system board These circles indicate tfie position m t ne l pin oo tfie CPB and tne CplFs socket as shown in figure 4 11 CAUTION Misalignment ofthe number 1 pin will cause the system to fail and will probably damage the CPU 0 Figure 4 11 Removing the T4400SXC central processor unit 3 Lower the lever on the CPU socket and latch it un...

Page 102: ...nd 4 4 3 If a ground cable is connected to GND screw A remove the GND screw and remove the ground cable 4 Remove the three screws B M2x8 securing the front of the display panel C to the chassis and disconnect the LED cable D from pressure plate connector PJ15 E and display cables F from PJ17 G on the system board as shown in figure 4 12 5 Unsnap the GND plate cover H on the back of the bottom cove...

Page 103: ...ND plate A with the notch on the back of the top cover Then align the top cover with the chassis Figure 4 13 Attaching the top cover 2 Install the three front top cover screws and connect the display and LED cables Refer to figure 4 12 for more information on how to install the three top cover screws 4 19 ...

Page 104: ...M2x5 silver securing the support bridge B to the top cover 3 Carefully pull the plastic cover C off to expose the LED holder D Separate each flexible cable separately from the plastic cover Refer to figure 4 14 1 2XS silver Figure 4 14 Removing the support bridge and plastic cover 4 Remove the two screws E M2x4 F M2 5x4 securing the LED holder to the top cover as shown in figure 4 15 F M2 Sx4 Figu...

Page 105: ...he display power off switch cable I as shown in figure 4 16 G Figure 4 16 Disconnecting the LED cables and the display power off switch cable 6 Unsnap the latches securing the LED board to the LED holder to remove the LED board 1 from the LED holder Figure 4 17 Removing the LED board 4 21 ...

Page 106: ...figure 4 16 leaving the display cable connections slightly elevated so you can connect the three display cables and display power off switch cable to the LED board 3 Place the LED holder in place as shown in figure 4 15 and secure it with the two screws M2x4 and M2 5x4 removed in step 4 4 Place the plastic cover over the bottom of the top cover as shown in figure 4 14 and secure the support bridge...

Page 107: ...rd C 4 Remove the screw D M2x5 silver in the front left corner of the power supply that secure it to the chassis Figure 4 18 Removing the power supply 5 Lift the power supply s front edge out first then rotate it slightly until it clears the EXP port chassis of the system board and place it aside Assembling the Power Supply To install the power supply follow these steps 1 Place the power supply in...

Page 108: ... from PJ2 B on the system board as shown in figure 4 19 8 Figure 4 19 Disconnecting the sub battery 4 Remove the two screws C M2x5 silver securing the battery pack case 0 to the chassis CAUTION Be ore you remove the battery pack case locate the Tape Automatic Bonding TAB type gate array lC2 E below the case Do Not touch this gate array doing so may cause the gate array to system ail 5 A locator no...

Page 109: ... shown in figure 4 20 Set the locator tab into the locator notch on the chassis and press it into place 2 Secure the battery pack case in place with the two screws M2x5 silver removed in step 3 Refer to figure 4 20 3 Connect the sub battery to PJ2 on the system board and place it into its position on the front of the battery pack case 4 25 ...

Page 110: ...ard keyboard top cover power supply and battery pack case as described in sections 4 2 4 3 4 4 4 6 4 7 and 4 8 3 Remove the Real Time Clock RTC battery A from the computer and place it aside 4 Remove the two screws B M2x5 silver securing the floppy disk drive C to the chassis as shown in figure 4 2l 5 Disconnect the FDD cable D from pressure plate connector PJ3 E on the system board Refer to figur...

Page 111: ...sk drive in the T4400SXC follow these steps 1 Align the FDD bracket with the four holes on the side of the FDD Refer to figure 4 22 2 Install the four screws M2 5x4 removed in step 7 to secure the FDD bracket to theFDD 3 Place the FDD and its bracket in the T4400SXC Connect the FDD cable to pressure plate connector PJ3 on the system board 4 Secure the FDD in place with the two screws M2x5 silver r...

Page 112: ...optional memory card keyboard top cover power supply and battery pack case as described in sections 4 2 4 3 4 4 4 6 4 7 and 4 8 3 Remove the four screws A M2x5 silver securing the HOD bracket B to the bonom cover Refer to figure 4 23 4 Disconnect the HOD cable C from the HDD Refer to figure 4 23 5 Lift the HOD out of the computer A M2x5 silver Q I A M2x5 silve 8 Figure 4 23 Removing the T4400SXC h...

Page 113: ... the four holes on the side of the HDD Refer to figure 4 24 2 Install the four screws M3x4 removed in step 6 to secure the HDD bracket to theHDD 3 Place the HDD and its bracket in the T4400SXC Connect the HDD cable to theHDD 4 Secure the HDD in place with the four screws M2x5 silver removed in step 3 Refer to figure 4 23 4 29 ...

Page 114: ...over power supply battery pack case floppy disk drive and hard disk drive as described in sections 4 2 4 3 4 4 4 6 4 7 4 8 4 9 and 4 10 3 Remove the three screws A M2x5 silver securing the system board to the bottom cover Refer to figure 4 25 4 Lift up under the mouse port C and under the I50 pin port 0 5 Gently lift the system board B up and slide it toward the front of the computer to release th...

Page 115: ... and PJ5 on the bottom of the system board Refer to figure 4 26 2 Connect the power supply cable to PJ26 and PJ27 on the bottom of the system board Refer to figure 4 26 NOTE Make sure the HDD and power supply cables are securely connected if they should become disconnected the T4400SXC would have to be completely disassembled to reconnect them 3 Place the system board in the T4400SXC making sure t...

Page 116: ...C M2x5 silver securing the display mask to the display cover 6 Unsnap the nine latches securing the display cover as shown in figure 3 27 C M2x5 silver Figure 4 27 Removing the display mask screws Assembling the Display Mask To assemble the T4400SXC s display mask follow these steps 4 32 1 Align the mask on the display panel being careful not to damage the portion of the mask that covers the hinge...

Page 117: ...ed in section 4 2 and 4 12 3 Remove the three screws A M2 SxS securing the FL inverter board B 4 Disconnect the red connectors C and G from CN2 E red and CN4 I disconnect the white connectors 0 and H from CN3 F white and CNS 1 white and disconnect the cable K from CNI L A M2x5 J White I Red Figure 4 28 Removing the FL inverter board CAUTION Be sure to match the red connectors and white connectors ...

Page 118: ...ilve Figure 4 29 Removing the LCD from the back panel cover 6 Rotate the LCD out of the LCD cover M and disconnect the LCD cables Q from CN 0 and CN2 P as shown in figure 4 30 M I P Figure 4 30 Disconnecting the LCD cables CAUTION Do not change the switches SWA SWB SWC in thefront of the display or the volume in the back ofthe display ...

Page 119: ... To remove the display cables E the top cover and LED holder must also be removed If you are replacing the display cables remove the top cover following the instructions in section 4 6 9 Tum the top cover over and remove the screw F M2x5 silver securing the display cable cover G as shown in figure 4 32 below F M2x5 silver Figure 4 32 Removing the display cable cover 4 35 ...

Page 120: ...Removing the display cables 11 To remove the shut off switch remove the two screws I M2 5x4 securing it to the right hinge 1 as shown in figure 4 34 I M2 Sx4 J Figure 4 34 Removing the hinge 12 Remove the screw K M2x8 securing the display power off switch L as shown in figure 4 35 K M2x8 Figure 4 35 Removing the shut offswitch ...

Page 121: ... the cable holder 5 Install the LED holder following the instructions in section 4 6 Figure 4 36 Routing the display cable in the top cover 6 Install the display cover of the TFf color LCD display Secure it with two screws M2 5x4 to the display support as shown in figure 4 31 7 Make sure the display cable B shown in the figure 4 37 below is routed correctly between the hinge C and the display case...

Page 122: ...4 38 CAUTION Do notforget to connect the ground cable E with the display cover F and the TFT color LCD display G Refer tofigure 4 38 G Figure 4 38 Routing the ground cable ...

Page 123: ...y is closed 2 Remove the single screw A M2x8 silver to remove the BIOS ROM cover B 3 Remove the BIOS ROM cover exposing the BIOS ROM Figure 4 39 Removing the BIOS ROM cover 4 Slide the BIOS ROM plate C toward the notch of the BIOS ROM 0 until it clicks and remove it from the socket C Fi ure 4 40 Removing the BIOS ROM plate 4 39 ...

Page 124: ...lign the BIOS ROM A with the BIOS ROM socket B Note the notch C on the left side of the BIOS ROM and the notch 0 on the BIOS ROM socket These notches indicate the correct position of the BIOS ROM C Figure 4 42 Align the BIOS ROM 2 Align the left edge of the plate and socket Firmly press down the plate until it is seated Figure 4 43 Align the plate ...

Page 125: ...ppendix A Board Layout A I System Board FYSSY2 ICs r I I I I I I I I I I A r L ___ I I r I I I 8 I B r E3 I oto ___J 1313 3 t I P S 1 o o CD I I f ill m t m Figure A I System board FYSSY2 ICs front App 5 ...

Page 126: ...m S I I t t I I 8 Ir App 6 f Ii t t fHPrn t f m I ii 4 ot t IllillIl c NI7 1 t tt lit I s 1 1 iii S t I I IIJ I I rn I B tt of or EJ EI Figure A 2 System board FYSSY2 lCs back ...

Page 127: ...SX B IC2 System controller gate array C IC37 to IC40 Video RAM 0 IC22 RTC E IC12 Backup RAM F IC30 Color gray scale controller gate array G IC28 PVGA1F H IC3 Super integration T9901 I IC13 BIOS ROM J 14 to IC11 System memory K IC29 EXT RAMDAC l IC25 Keyboard controller App 7 ...

Page 128: ... Board FYSSY2 Connectors 8 I E s t mOSt to t r I A I 00 II UI Z UJ _ I ID c I 0 0 0 0 CD G f i 1 1 II lJJ m m WJ 1lW t lIW a 3wd I I lit m _ oi t i J icr Figure A 3 System board FYSSY2 connectors front App 8 K M ...

Page 129: ...m 8 I I 8 l 1 1 1 10 t BPs j W lEI I ill f f 1 E3 oil t EI EI Figure A 4 System board FY4SY2 connectors back App 9 ...

Page 130: ...tor D PJ15 lED connector E PJ19 Keyboard connector F PJ14 Expansion slot G PJ2 Sub battery connector H PJ7 RS 232 C connector I PJ1 RTC battery connector J PJ3 FDD connector K IPJ25 PRTIFDD connector l PJ18 RGB connector M PJ13 Mouse connector N PJ6 Expansion memory connector 0 PJ26 PJ27 Power supply connector P PJ4 PJ5 HOD connector App 10 ...

Page 131: ...Signal 1 0 01 SUBBAT 0 02 GND B 3 PJ3 FDD Int Connectors 26 Pin Table B 3 FDD Int connector pin assignment 26 pin Pin Signal 1 0 Pin Signal 110 01 ISSEL OOO I 14 GND 02 GND 15 IDIRC OOO 0 03 IRDAT OOO I 16 ILOWD OOO 0 04 GND 17 IMON OOO 0 05 IWPR OOO I 18 IHMED OOO I 06 GND 19 IRDY OOO I 07 ITRO OOO I 20 VCC 08 GND 21 DSKCHG OOO I 09 IWEN OOO 0 22 vce 10 GND 23 IDSL OOO 0 11 IWDAT OOO 0 24 VCC 12 ...

Page 132: ...0 18 5001 102 110 08 5005 102 I O 19 5003 102 110 09 5010 102 110 20 5000 102 110 10 5004 102 110 21 GNO 11 GNO 22 GNO 8 5 PJ5 HDO IfF Connectors 22 Pin Table 8 5 HOD IfF connector pin assignment 22 pin Pin Signal 1 0 Pin Signal I O 01 GNO 12 5AOO 100 0 02 5015 102 110 13 GNO 03 VCC 14 5A02 100 0 04 10WR 000 0 15 HOCOC5 000 0 05 GNO 16 HOC1C5 000 0 06 IORO OOO 0 17 GNO 07 IIROY 100 I 18 ORV5L 000 ...

Page 133: ...0 15 RAMV 59 MA05 101 0 16 MA04 101 0 60 MA07 101 0 17 NlC 61 MA09 101 0 18 MA06 101 0 62 GNO 19 MA08 101 0 63 GNO 20 MA10 101 0 64 GNO 21 GNO 65 RAS1 001 0 22 RASO 001 0 66 CAS2 011 0 23 CASO 011 0 67 GNO 24 CAS1 011 0 68 CAS3 011 0 25 N C 69 RAS3 001 0 26 RAS2 001 0 70 MEMWE 011 0 27 RAMV 0 71 N C 28 N C 72 N C 29 N C 73 GNO 30 N C 74 N C 31 N C 75 NlC 32 N C 76 NlC 33 GNO n N C 34 008 100 1 0 7...

Page 134: ...Signal I O 01 N9V 0 16 GNO 02 BMOM5L 000 0 17 5002 103 110 03 14R7M 120 0 18 5001 103 110 04 GNO 19 GNO 05 5AOO 103 110 20 GNO 06 5A01 103 I O 21 5000 103 1 0 07 5A02 103 110 22 IOWR 003 110 08 GNO 23 IORO 103 1 0 09 5007 103 I O 24 VCC 10 5006 103 I O 25 RE5ET 110 0 11 GNO 26 BMPOF 100 0 12 GNO 27 GNO 13 5005 103 110 28 GNO 14 5004 103 I O 29 BMIRQ OOO I 15 5003 103 110 30 B5PTON 000 I B 9 PJ12 T...

Page 135: ...O 07 CURENT 0 37 SA16 101 110 08 CURENT 0 38 SA17 101 0 09 AOPCNT 100 0 39 SA18 101 0 10 GNO 40 SA19 101 0 11 RVCC 41 SOOO 101 110 12 RGNO 42 S001 101 110 13 CPCNF 100 I 43 S002 101 110 14 MOMSl 001 0 44 S003 101 110 15 COMCCK 101 0 45 GNO 16 MIRQ 001 I 46 S004 101 I O 17 SPKTON 001 I 47 S005 101 110 18 GNO 48 S006 101 0 19 SAOO 101 110 49 S007 101 I O 20 SA01 101 110 50 SMEW 001 0 21 SA02 101 110...

Page 136: ...GNO 124 POBOO 110 1 0 80 S013 101 1 0 125 POB01 110 1 0 81 S014 101 1 0 126 POB02 110 1 0 82 IR06 101 I 127 POB03 110 1 0 83 S015 101 1 0 128 POB04 110 1 0 84 LA22 101 1 0 129 POB05 110 1 0 85 LA23 101 I O 130 POB06 110 1 0 86 OR02 101 I 131 POB07 110 110 87 LA21 101 1 0 132 ACK OOO 1 0 88 LA19 101 1 0 133 BUSY 100 1 0 89 LA20 101 1 0 134 PE 100 1 0 90 OACK6 001 0 135 SELCT 100 1 0 91 GNO 136 AUTF...

Page 137: ...01 0 24 DENAB 101 0 09 GND 25 PNEL1 100 I 10 PLTG1 101 0 26 GND 11 GND 27 FLTEN 110 0 12 PLTG2 101 0 28 FLTEN 110 0 13 GND 29 CBLON OOO 0 14 PLTBO 101 0 30 DSPV 0 15 GND 31 GND 16 PLTB1 101 0 32 DSPV 0 8 13 PJ18 LED Connectors 12 Pin Table 8 13 LED connector pin assignment 12 pin Pin Signal 1 0 Pin Signal 1 0 01 CHG 110 0 07 CAPLED 110 0 02 LB 110 0 08 POWER 100 0 03 HDDLED 100 0 09 SPEED 100 0 04...

Page 138: ...0 07 GND 15 NlC 08 GND B ls PJ19 KB I F Connectors 19 Pin Table B 1S KB I1F connector pin assignment I9 pin Pin Signal 1 0 Pin Signal 1 0 01 KBOTOO 010 0 11 KBOT03 010 0 02 KBRT6 100 I 12 KBOT04 010 0 03 KBRTO 100 I 13 KBOT05 010 0 04 KBRT2 100 I 14 KBOT06 010 0 05 KBRT3 100 I 15 KBOT08 010 0 06 KBRT5 100 I 16 KBOT02 010 0 07 KBRT7 100 I 17 KBOT07 010 0 08 KBRT5 100 I 18 KBOT09 010 0 09 KBRT4 100 ...

Page 139: ...DB05 100 I O 20 GND 08 PDB06 100 1 0 21 GND 09 PDB07 100 1 0 22 GND 10 ACK OOO 1 0 23 GND 11 BUSY 100 I O 24 GND 12 PE 100 1 0 25 GND 13 SELCT 100 1 0 B 17 PJ26 PS IIF Connectors 20 Pin Table B 17 PS IF connector pin assignment 20 pin Pin Signal 1 0 Pin Signal I O 01 N C 11 CBLON OOO I 02 PSSTA OOO 0 12 THERM 03 SRBTN OOO I 13 GND 04 PCLR OOO I 14 SUBBAT I 05 BEEP OOO I 15 GND 06 CPCNF 100 0 16 DC...

Page 140: ... PS IF connector pin assignment 20 pin Pin Signal 1 0 Pin Signal 1 0 01 GND 11 P12V I 02 RAMV 12 DSPV I 03 RAMV 13 DSPV I 04 GND 14 GND 05 VCC 15 BRNCNT 100 I 06 VCC 16 CHG 100 I 07 VCC 17 LB 100 I 08 VCC 18 GND 09 GND 19 N C 10 N9V 20 NlC App 20 ...

Page 141: ...R b A r r e 0 II 3 rr IF 3 C S A A lL 11 C 5 a 0 u 4 err 4 0 T d t 0 b L r a n 5 5 5 E U u NF F J J e a 0 6 6 F V f v c1 A a HI r JJ U 7 1 7 G W g w c Q In T U rail f 8 H X h x A y 2 0 e 9 9 I Y i y 0 r rr e e A J Z J e n z U I B cJ K k 1 2 n F 0 r I C 9 L L I I 1 IA co n I 0 M WI 2 m I I b N Pt Ii1 Pi E E A 1 n A F i 0 0 ll A f h n I App 21 ...

Page 142: ...App 22 ...

Page 143: ...4E FO 4E 13 00 80 55 FO 55 15 8kSp OE 8E 66 FO 66 16 Tab OF 8F 00 Fa 00 17 a 10 90 15 FO 15 18 W 11 91 10 FO 10 19 E 12 92 24 FO 24 20 R 13 93 20 FO 20 21 T 14 94 2C FO 2C 22 Y 15 95 35 FO 35 23 U 16 96 3C Fa 3C 2 24 I 17 97 43 FO 43 2 25 0 13 98 44 FO 44 2 26 P 19 99 40 FO 40 2 27 1A 9A 54 FO 54 28 18 98 58 FO 58 29 42 I 28 A8 50 Fa 50 5 30 Caps Lock 3A 8A 58 FO 58 31 A 1E 9E 1C FO 1C 32 S 1F 9F ...

Page 144: ...1 2 54 34 B4 49 FO 49 2 55 I 35 B5 4A FO 4A 2 57 Shift R 36 B6 59 FO 59 58 Ctrl 10 90 14 FO 14 3 60 Alt L 38 B8 11 FO 11 3 61 Space 39 B9 29 FO 29 62 ALT R EO 38 EO B8 EO 11 EO FO 11 75 Ins EO 52 EO 02 EO 70 EO FO 70 1 76 Del EO 53 EO 03 EO 71 EO FO 71 1 79 EO 4B EO C8 EO 6B EO FO 68 1 80 Home EO 47 EO C7 EO 6C EO FO 6C 1 81 End EO 4F EO CF EO 69 EO FO 69 1 83 i EO 48 EO C8 EO 75 EO FO 75 1 84 J E...

Page 145: ...8 123 F12 58 08 07 124 PrintSc 6 6 6 126 Pause 7 7 7 202 Fn 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 table D 6 scan code with etrl key 7 Refer to table D 7 scan code with AU key DI ak Fa 05 Fa 06 Fa 04 Fa OC Fa ...

Page 146: ...bove shows scan codes with the left shift key In case ofcombination with a right shift key scan codes are changed as below With left shift With right shift Set 1 EO AA EO B6 EO 2A EO 36 Set 2 EO FO 12 EO FO 59 EO 12 EO 59 Table D 3 Scan codes in Numlock mode Cap Key Code set 1 Code set 2 No top MaKe tsreaK MaKe tsreaK 75 INS EO 2A EO 52 EO 02 EO AA EO 12 EO 70 EO FO 70 EO FO 12 76 DEL EO 2A EO 53 ...

Page 147: ... 25 0 6 40 CO 74 FO 74 26 P 4A CA 7B FO 7B 37 J 1 4F CF 69 FO 69 38 K 2 50 00 72 FO 72 39 L 3 51 01 7A FO 7A 40 4E CE 79 FO 79 52 M 0 52 02 70 FO 70 53 33 B3 41 FO 41 54 53 03 71 FO 71 55 I EO 35 EO B5 40 4A EO FO 4A Table D 6 Scan codes with Ctrl key Key Code set 1 Code set 2 top Shift Make Break Make Break PrtSc Common EO 2A EO 37 EO B7 EO AA EO 12 EO 7C EO FO 7C EO FO 12 Ctrl EO 37 EO B7 EO 7C ...

Page 148: ...App 28 ...

Page 149: ...Appendix E Key Layout E l USA Keyboard PaclUII lay Req Break Figure E l USA keyboard E 2 UK Keyboard Figure E 2 UK keyboard App 29 ...

Page 150: ...E 3 German Keyboard Figure E 3 German keyboard E 4 French Keyboard Figure E 4 French keyboard App 30 ...

Page 151: ...E S Spanish and Latin American Keyboard Figure E 5 Spanish and Latin American keyboard E 6 Italian Keyboard Figure E 6 Italian keyboard App 31 ...

Page 152: ...E 7 Scandinavian DK NO SW Keyboard Figure E 7 Scandinavian OK NO SW keyboard E 8 Swiss French German Keyboard Figure E 8 Swiss French German keyboard App 32 ...

Page 153: ...E 9 Canadian Keyboard Figure E 9 Canadian keyboard E I0 Keycap Number Keyboard Figure E I0 Keycap number keyboard App 33 ...

Page 154: ...App 34 ...

Page 155: ... 2 PDO 11 BUSY Figure F l Printer wraparound connecter F 2 RS 232 C Wraparound Connector 3 TO 2 RO 7 RTS 8 CTS 1 CO 4 OTR 6 DSR 9 RI Figure F 2 RS 232 C wraparound connecter F 3 RS 232 C Direct Cable 9 Pin to 9 Pin 3 TO 2 RD 4 OTR 6 OSR 8 CTS 9 RI 7 RTS 1 CO 5 GND 5 GNO 2 RD 3 TO 1 CO 7 RTS 6 OSR 4 DTR 8 CTS 9 RI Figure F 3 RS 232 C direct cable 9 pin to 9 pin App 35 ...

Page 156: ...F 4 RS 232 C Direct Cable 9 Pin to 2S Pin 1 CD 4 RTS 2 RD 2 TO 3 TO 3 RD 4 OTR 5 CTS 6 DSR 22 RI 5 GND 7 GND 7 RTS 8 CD 6 OSR 20 OTR 8 eTS 9 RI Figure F 4 RS 232 C direct cable 9 pin to 2S pin App 36 ...

Reviews:

No comments

Related manuals for T4400SXC

NEC VERSA VX Service And Reference Manual preview
VERSA VX
Brand: NEC Pages: 106
NEC VERSA VX Release Note preview
VERSA VX
Brand: NEC Pages: 10
NEC VERSA SXI Release Note preview
VERSA SXI
Brand: NEC Pages: 8
NEC VERSA SXI Using preview
VERSA SXI
Brand: NEC Pages: 2
NEC VERSA DAYLITE Release Note preview
VERSA DAYLITE
Brand: NEC Pages: 4
Panasonic CF-19 series Reference Manual preview
CF-19 series
Brand: Panasonic Pages: 80
Aspire TravelMate 2420 Series Service Manual preview
TravelMate 2420 Series
Brand: Aspire Pages: 108
Alienware M14X Mobile Manual preview
M14X
Brand: Alienware Pages: 124
Acer TravelMate P643-V Service Manual preview
TravelMate P643-V
Brand: Acer Pages: 244
Acer TravelMate P633-V Service Manual preview
TravelMate P633-V
Brand: Acer Pages: 228
Acer TRAVELMATE TravelMate 2350 Guía Del Usuario preview
TRAVELMATE TravelMate 2350
Brand: Acer Pages: 90
bto X-Book 15CL879 Manual preview
X-Book 15CL879
Brand: bto Pages: 216
Asus G1S Service Manual preview
G1S
Brand: Asus Pages: 24
Asus FX505DY Series Manual preview
FX505DY Series
Brand: Asus Pages: 36
Asus F515JA User Manual preview
F515JA
Brand: Asus Pages: 16
Asus F5M (Czech) Manual preview
F5M
Brand: Asus Pages: 70
Asus G1 Hardware User Manual preview
G1
Brand: Asus Pages: 89
Asus F5GL Hardware Manual preview
F5GL
Brand: Asus Pages: 71

Brands by name

Popular brands

Load more brands