Toshiba Online Users Guide for Satellite A20/A25
Page 65
..., whichever is replaced with invalid memory, the system will beep and will not start up beyond the BIOS memory check. A memory module must be lost. Your computer is equipped with a memory module in slot A. See "Toshiba voice contact" on page 233. The Mouse Properties window closes. 8 Close the Printers and Other Hardware... module while the computer is recommended that you install or remove a memory module, turn off the computer using the Start menu. If this occurs, contact Toshiba's support center. The Mouse Properties window appears. 4 Click the TouchPAD ON/OFF tab.
..., whichever is replaced with invalid memory, the system will beep and will not start up beyond the BIOS memory check. A memory module must be lost. Your computer is equipped with a memory module in slot A. See "Toshiba voice contact" on page 233. The Mouse Properties window closes. 8 Close the Printers and Other Hardware... module while the computer is recommended that you install or remove a memory module, turn off the computer using the Start menu. If this occurs, contact Toshiba's support center. The Mouse Properties window appears. 4 Click the TouchPAD ON/OFF tab.
Toshiba Online Users Guide for Satellite A20/A25
Page 205
... a user password for the operating system. The feature allows you to set BIOS defaults. ❖ Password - Shows the BIOS version, and allows you to configure the printer port type. Choose the desired tab and accompanying options. 205 Toshiba Utilities TOSHIBA Console The TOSHIBA HWSetup window appears with tabs for instant security. ❖ Device Config - Then...
... a user password for the operating system. The feature allows you to set BIOS defaults. ❖ Password - Shows the BIOS version, and allows you to configure the printer port type. Choose the desired tab and accompanying options. 205 Toshiba Utilities TOSHIBA Console The TOSHIBA HWSetup window appears with tabs for instant security. ❖ Device Config - Then...
Toshiba Online Users Guide for Satellite A20/A25
Page 214
... page 215. The operating system automatically sets up your computer. Resolving conflicts There are things you connect an older (legacy) device that helps the system BIOS (basic input/ output system) and the operating system to automatically assign resources to it from the computer. ❖ Disable another system component and use its...
... page 215. The operating system automatically sets up your computer. Resolving conflicts There are things you connect an older (legacy) device that helps the system BIOS (basic input/ output system) and the operating system to automatically assign resources to it from the computer. ❖ Disable another system component and use its...
Toshiba Online Users Guide for Satellite A20/A25
Page 244
Glossary TECHNICAL NOTE: Some features defined in this glossary may appear in this user's guide. Acronyms The following acronyms may not be available on your computer. AC alternating current BIOS basic input/output system bps bits per second CD compact disc CD-ROM compact disc read-only memory CD-RW compact disc rewrite memory CMOS complementary metal-oxide semiconductor COM1 communications port 1 (serial port) COM2 communications port 2 (serial port) CPU central processing unit DC direct current 244
Glossary TECHNICAL NOTE: Some features defined in this glossary may appear in this user's guide. Acronyms The following acronyms may not be available on your computer. AC alternating current BIOS basic input/output system bps bits per second CD compact disc CD-ROM compact disc read-only memory CD-RW compact disc rewrite memory CMOS complementary metal-oxide semiconductor COM1 communications port 1 (serial port) COM2 communications port 2 (serial port) CPU central processing unit DC direct current 244
Toshiba Online Users Guide for Satellite A20/A25
Page 247
...computer. See also baud rate. See also reboot. Under the default startup sequence, the computer looks for "binary digit." 247 Glossary application - BIOS (basic input/output system) - bit - A group of eight bits is the number of signal changes per second). The order in case...as a printer or modem, transmits information. A copy of information used in the diskette drive before checking the hard disk. basic input/output system (BIOS) - See also bits per second (bps) - A way of a specific type. See system disk. Short for the startup files in modem ...
...computer. See also baud rate. See also reboot. Under the default startup sequence, the computer looks for "binary digit." 247 Glossary application - BIOS (basic input/output system) - bit - A group of eight bits is the number of signal changes per second). The order in case...as a printer or modem, transmits information. A copy of information used in the diskette drive before checking the hard disk. basic input/output system (BIOS) - See also bits per second (bps) - A way of a specific type. See system disk. Short for the startup files in modem ...
Toshiba Online Users Guide for Satellite A20/A25
Page 257
...of pixels available horizontally and vertically. For a screen, it up. To reset the computer by a printer or displayed on most U.S. See also BIOS, memory. Compare RAM. A single SCSI PC Card enables you start it is essential instructions the computer reads when you to your computer, the ... is a 6wire connector. Processes that can be read -only memory) - shortcut - See also boot. A modular connector used to store your computer's BIOS, which is expressed as a scanner or digital camera to connect several SCSI devices, such as the number of the images that can be produced by...
...of pixels available horizontally and vertically. For a screen, it up. To reset the computer by a printer or displayed on most U.S. See also BIOS, memory. Compare RAM. A single SCSI PC Card enables you start it is essential instructions the computer reads when you to your computer, the ... is a 6wire connector. Processes that can be read -only memory) - shortcut - See also boot. A modular connector used to store your computer's BIOS, which is expressed as a scanner or digital camera to connect several SCSI devices, such as the number of the images that can be produced by...
Maintenance Manual
Page 4
... the LCD module q Board layout q Pin assignments q Keyboard scan/character codes q Key layout q Wiring diagrams q BIOS Rewrite Procedures q Reliability iv Satellite A20 Maintenance Manual (960-444) Appendices The appendices describe the following parts: Chapter 1 Hardware Overview describes the Satellite A20 Series system unit and each FRU. Chapter 4 Replacement Procedures describes the removal and replacement of...
... the LCD module q Board layout q Pin assignments q Keyboard scan/character codes q Key layout q Wiring diagrams q BIOS Rewrite Procedures q Reliability iv Satellite A20 Maintenance Manual (960-444) Appendices The appendices describe the following parts: Chapter 1 Hardware Overview describes the Satellite A20 Series system unit and each FRU. Chapter 4 Replacement Procedures describes the removal and replacement of...
Maintenance Manual
Page 10
4.30 Wireless LAN Antenna/Blutooth Antenna/Display Cover 4-76 4.31 Fluorescent Lamp ...4-85 Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H Appendix I Handling the LCD Module A-1 Board Layout B-1 Pin Assignments C-1 Keyboard Scan/Character Codes D-1 Key Layout...E-1 Wiring Diagram F-1 BIOS Rewrite Procedures G-1 EC/KBC Rewrite Procedures H-1 Reliability...I-1 x Satellite A20 Maintenance Manual (960-444)
4.30 Wireless LAN Antenna/Blutooth Antenna/Display Cover 4-76 4.31 Fluorescent Lamp ...4-85 Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H Appendix I Handling the LCD Module A-1 Board Layout B-1 Pin Assignments C-1 Keyboard Scan/Character Codes D-1 Key Layout...E-1 Wiring Diagram F-1 BIOS Rewrite Procedures G-1 EC/KBC Rewrite Procedures H-1 Reliability...I-1 x Satellite A20 Maintenance Manual (960-444)
Maintenance Manual
Page 41
... PCI P3V 3.3 NO NO NO LCD PNL-P3V 3.3 NO NO NO USB Power E5V 5.0 YES NO NO M1672,PC-Card(s) B5V 5.0 YES NO NO M1535+,BIOS,HDD,Mini PCI,Keyboard,TouchPad,FAN,LEDs P5V 5.0 NO NO NO ODD CD-E5V 5.0 YES YES NO FL-inv FL-P5V 5.0 NO NO NO SD... NO YES NO YES YES YES YES YES YES NO NO NO YES YES YES YES NO NO NO NO NO NO NO NO YES Satellite A20 Maintenance Manual (960-444) 1-27
... PCI P3V 3.3 NO NO NO LCD PNL-P3V 3.3 NO NO NO USB Power E5V 5.0 YES NO NO M1672,PC-Card(s) B5V 5.0 YES NO NO M1535+,BIOS,HDD,Mini PCI,Keyboard,TouchPad,FAN,LEDs P5V 5.0 NO NO NO ODD CD-E5V 5.0 YES YES NO FL-inv FL-P5V 5.0 NO NO NO SD... NO YES NO YES YES YES YES YES YES NO NO NO YES YES YES YES NO NO NO NO NO NO NO NO YES Satellite A20 Maintenance Manual (960-444) 1-27
Maintenance Manual
Page 70
...or when the data is lost. q If there is no error message, go to Procedure 3. These errors occur when the system configuration preserved in the BIOS ROM. If any other error message displays, perform Check 2. (a) *** Bad HDD type *** Check system. Then press [F1] key ...... (e) ***...-DOS or Toshiba Windows XP Pro/Home is turned on the screen, press F1 as the message instructs, the SETUP screen appears to Procedure 2. Then press [F1] key ...... (d) *** Bad memory size *** Check system. Then press [F1] key ...... 2-20 Satellite A20 Maintenance Manual (960-444) Then press [F1] key ...
...or when the data is lost. q If there is no error message, go to Procedure 3. These errors occur when the system configuration preserved in the BIOS ROM. If any other error message displays, perform Check 2. (a) *** Bad HDD type *** Check system. Then press [F1] key ...... (e) ***...-DOS or Toshiba Windows XP Pro/Home is turned on the screen, press F1 as the message instructs, the SETUP screen appears to Procedure 2. Then press [F1] key ...... (d) *** Bad memory size *** Check system. Then press [F1] key ...... 2-20 Satellite A20 Maintenance Manual (960-444) Then press [F1] key ...
Maintenance Manual
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...ROM check B1h EC/KBC rewrite check B2h BIOS rewrite check B3h System BIOS rewrite transition to IRT BIOS rewrite process Message Register initialization for boot block Clearing software reset bit Permitting A20 line Initialization of special register and Intel chip ... BIOS write Special interrupt control Disabling BIOS write protect Enabling SMBus I/O space Enable SMBus access Opening work I/O for SDRAM initialization Setting FDC prohibition Hardware initialization for each model PIT CH1 initialization (setting refresh interval to 30 m/s) Initialization of PIT, DMAC, PIC Satellite A20 ...
...ROM check B1h EC/KBC rewrite check B2h BIOS rewrite check B3h System BIOS rewrite transition to IRT BIOS rewrite process Message Register initialization for boot block Clearing software reset bit Permitting A20 line Initialization of special register and Intel chip ... BIOS write Special interrupt control Disabling BIOS write protect Enabling SMBus I/O space Enable SMBus access Opening work I/O for SDRAM initialization Setting FDC prohibition Hardware initialization for each model PIT CH1 initialization (setting refresh interval to 30 m/s) Initialization of PIT, DMAC, PIC Satellite A20 ...
Maintenance Manual
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... (2/8) LED Status (B3h) Test item B5h Display initialization B6h Second controller initialization Message DRAM configuration Enable L1 cache Memory clear Transition to real mode, coping BIOS on RAM Storing key scan code Setting TASK_1ms_TSC Display initialization FAN control Sound controller initialization (for beep) Enabling system speaker Disabling mute Setting the volume... sector of directory start Reading the route directory by one sector Searching the entry of "CHGBIOSA.EXE"/ "CHGFIRM.EXE" Executing "CHGBIOSA.EXE"/ "CHGFIRM.EXE" 2-24 Satellite A20 Maintenance Manual (960-444)
... (2/8) LED Status (B3h) Test item B5h Display initialization B6h Second controller initialization Message DRAM configuration Enable L1 cache Memory clear Transition to real mode, coping BIOS on RAM Storing key scan code Setting TASK_1ms_TSC Display initialization FAN control Sound controller initialization (for beep) Enabling system speaker Disabling mute Setting the volume... sector of directory start Reading the route directory by one sector Searching the entry of "CHGBIOSA.EXE"/ "CHGFIRM.EXE" Executing "CHGBIOSA.EXE"/ "CHGFIRM.EXE" 2-24 Satellite A20 Maintenance Manual (960-444)
Maintenance Manual
Page 75
... check ICH Power Failure error resume error 7Ah SM-RAM checksum check resume error 73h Check of change of memory configuration resume error 73h System BIOS RAM area checksum check resume error 79h PnP RAM checksum check resume error 77h Transition to resume process Resume error process Reset of the CPU...
... check ICH Power Failure error resume error 7Ah SM-RAM checksum check resume error 73h Check of change of memory configuration resume error 73h System BIOS RAM area checksum check resume error 79h PnP RAM checksum check resume error 77h Transition to resume process Resume error process Reset of the CPU...
Maintenance Manual
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... of parameter block A CPU initialization Micro code update Check of Geyserville support Setting CPU clock to high Setting of Graphics Aperture Size 2-26 Satellite A20 Maintenance Manual (960-444) 2 Troubleshooting Procedures 2.12 Sound Troubleshooting Table 2-3 Printer port LED boot mode status (4/8) LED Status (03h)... Test item 04h SMRAM initialization 05h CPU initialization Message Setting resume error request System BIOS ROM to RAM copy (The system halts when an error is detected.) SMRAM initialization Check of Wake Up factor SMRAM base rewrite ...
... of parameter block A CPU initialization Micro code update Check of Geyserville support Setting CPU clock to high Setting of Graphics Aperture Size 2-26 Satellite A20 Maintenance Manual (960-444) 2 Troubleshooting Procedures 2.12 Sound Troubleshooting Table 2-3 Printer port LED boot mode status (4/8) LED Status (03h)... Test item 04h SMRAM initialization 05h CPU initialization Message Setting resume error request System BIOS ROM to RAM copy (The system halts when an error is detected.) SMRAM initialization Check of Wake Up factor SMRAM base rewrite ...
Maintenance Manual
Page 78
...generation First 64KB memory check Interrupting vector initialization NDP initialization System initialization Waiting for the completion of VGA chip, VGA BIOS initializati on Logo Display System memory check External memory check Message Running a task for waiting the completion of PnP resource...reading battery information System BIOS update (Update of model name, EDID information for LCD) Waiting for the completion of VGA chip, VGA BIOS initialization Logo Display Conventional memory check (Boot) Check of exceptional cases in protected mode (Boot) 2-28 Satellite A20 Maintenance Manual (960-...
...generation First 64KB memory check Interrupting vector initialization NDP initialization System initialization Waiting for the completion of VGA chip, VGA BIOS initializati on Logo Display System memory check External memory check Message Running a task for waiting the completion of PnP resource...reading battery information System BIOS update (Update of model name, EDID information for LCD) Waiting for the completion of VGA chip, VGA BIOS initialization Logo Display Conventional memory check (Boot) Check of exceptional cases in protected mode (Boot) 2-28 Satellite A20 Maintenance Manual (960-...
Maintenance Manual
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... AC-Link initialization Update of DMI table Copying ACPI table to the top of expansion memory Waiting for the completion of writing PSC version on BIOS Satellite A20 Maintenance Manual (960-444) 2-29
... AC-Link initialization Update of DMI table Copying ACPI table to the top of expansion memory Waiting for the completion of writing PSC version on BIOS Satellite A20 Maintenance Manual (960-444) 2-29
Maintenance Manual
Page 80
... the PC card not used Hardware initialization Pre Boot Notifying the conditional of DVI connection to VGA BIOS Setting of the battery save mode Setting of date Waiting for the completion of Bluetooth initialization Update of DMI ...Wakeup factor and SM-BIOS structure table Closing the configuration space for PCI device Cache control Update of parameter block A Process related ... power button Measure against the operation failure of USB at high temperature 2-30 Satellite A20 Maintenance Manual (960-444)
... the PC card not used Hardware initialization Pre Boot Notifying the conditional of DVI connection to VGA BIOS Setting of the battery save mode Setting of date Waiting for the completion of Bluetooth initialization Update of DMI ...Wakeup factor and SM-BIOS structure table Closing the configuration space for PCI device Cache control Update of parameter block A Process related ... power button Measure against the operation failure of USB at high temperature 2-30 Satellite A20 Maintenance Manual (960-444)
Maintenance Manual
Page 122
...System Board. Test CPU Fan Revolution LEVEL 5 speed start Subtest 06 Quick charge This subtest checks the status for the quick charge. 3-10 Satellite A20 Maintenance Manual (960-444) When it is executed. Subtest 02 Thermister Check This subtest reads the status (normal/open/short) of the ...[Thermister connect check] of the BIOS ROM on /off command. Test 2nd Fan Revolution LEVEL 5 speed start Subtest 05 2nd Fan On/Off This subtest checks 2nd fan operation...
...System Board. Test CPU Fan Revolution LEVEL 5 speed start Subtest 06 Quick charge This subtest checks the status for the quick charge. 3-10 Satellite A20 Maintenance Manual (960-444) When it is executed. Subtest 02 Thermister Check This subtest reads the status (normal/open/short) of the ...[Thermister connect check] of the BIOS ROM on /off command. Test 2nd Fan Revolution LEVEL 5 speed start Subtest 05 2nd Fan On/Off This subtest checks 2nd fan operation...
Maintenance Manual
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.... LAN Type 17. The number of PCMCIA Slots 15. Total Memory Size 9. The number of hard disk drives 19. Date/Time 3-66 Satellite A20 Maintenance Manual (960-444) Processor Type 2. Boot ROM version 6. BIOS ROM version (1st ID, 2nd ID) 5. The number of printer ports 12. PS Microprocessor Version 8. KBC version 7. VGA Controller 3. Modem...
.... LAN Type 17. The number of PCMCIA Slots 15. Total Memory Size 9. The number of hard disk drives 19. Date/Time 3-66 Satellite A20 Maintenance Manual (960-444) Processor Type 2. Boot ROM version 6. BIOS ROM version (1st ID, 2nd ID) 5. The number of printer ports 12. PS Microprocessor Version 8. KBC version 7. VGA Controller 3. Modem...
Maintenance Manual
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...MS-DOS Version = VX.XX * - X ASYNC Adapter COM1 = XXXX COM2 = XXXX COM3 = XXXX * - * - Battery Code = XXXXXMB **- Sound System = XXXXX * - Satellite A20 Maintenance Manual (960-444) 3-67 KBC Version = VX.XX * - X Hard Disk Drive(s) #1 Sectors = XXXXX (XX GB) #2 Sectors = XXXXX (XX GB) * - ...Selecting 8 from the DIAGNOSTIC MENU and pressing Enter displays the following system configuration: System Configuration Display : Ver X.XX [Machine Name ???] * - BIOS ROM Version = VX.XX 1st ID = XXH, 2nd ID = XXH * - BOOT ROM Version = VX.XX * - X Floppy Disk...
...MS-DOS Version = VX.XX * - X ASYNC Adapter COM1 = XXXX COM2 = XXXX COM3 = XXXX * - * - Battery Code = XXXXXMB **- Sound System = XXXXX * - Satellite A20 Maintenance Manual (960-444) 3-67 KBC Version = VX.XX * - X Hard Disk Drive(s) #1 Sectors = XXXXX (XX GB) #2 Sectors = XXXXX (XX GB) * - ...Selecting 8 from the DIAGNOSTIC MENU and pressing Enter displays the following system configuration: System Configuration Display : Ver X.XX [Machine Name ???] * - BIOS ROM Version = VX.XX 1st ID = XXH, 2nd ID = XXH * - BOOT ROM Version = VX.XX * - X Floppy Disk...