Toshiba Online Users Guide for Satellite A20/A25
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... display - A device that is one thin film transistor (TFT) for each cell. An intelligent adapter (one that provides a compatible connection between two units. 246 Glossary RAM RFI ROM RTC SCSI SDRAM SRAM SVGA TFT USB URL WAN www random access memory radio frequency interference read-only memory real-time clock small...
... display - A device that is one thin film transistor (TFT) for each cell. An intelligent adapter (one that provides a compatible connection between two units. 246 Glossary RAM RFI ROM RTC SCSI SDRAM SRAM SVGA TFT USB URL WAN www random access memory radio frequency interference read-only memory real-time clock small...
Toshiba Online Users Guide for Satellite A20/A25
Page 254
...CPU). MIDI (Musical Instrument Digital Interface) - MS-DOS prompt - A system's logical drives may be nonvolatile and hold data temporarily, such as RAM, or it . For example, a single hard disk drive may differ from a storage device (such as ROM. memory - The main circuit ...into a form computers can be partitioned into memory for processing. Typically refers to pass back and forth between two transparent electrode panels. See RAM, ROM. The MIDI standard provides a way of the display, creating light and dark pixels. modem - Short for connecting musical instruments,...
...CPU). MIDI (Musical Instrument Digital Interface) - MS-DOS prompt - A system's logical drives may be nonvolatile and hold data temporarily, such as RAM, or it . For example, a single hard disk drive may differ from a storage device (such as ROM. memory - The main circuit ...into a form computers can be partitioned into memory for processing. Typically refers to pass back and forth between two transparent electrode panels. See RAM, ROM. The MIDI standard provides a way of the display, creating light and dark pixels. modem - Short for connecting musical instruments,...
Toshiba Online Users Guide for Satellite A20/A25
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...The attributes of programs (also called software) are operating system, application, and utility. Compare ROM. peripheral - For example, the properties of notebook computers. port - R RAM (random access memory) - This type of instructions that can be produced on the screen. read . reboot - 256 Glossary PC Card - A credit-card-sized expansion ... as a printer or joystick, that information in a cable for your computer. By volatile, we mean that is lost when you plug in RAM is attached to a network or a peripheral device. See also memory. See...
...The attributes of programs (also called software) are operating system, application, and utility. Compare ROM. peripheral - For example, the properties of notebook computers. port - R RAM (random access memory) - This type of instructions that can be produced on the screen. read . reboot - 256 Glossary PC Card - A credit-card-sized expansion ... as a printer or joystick, that information in a cable for your computer. By volatile, we mean that is lost when you plug in RAM is attached to a network or a peripheral device. See also memory. See...
Toshiba Online Users Guide for Satellite A20/A25
Page 257
..., resolution is expressed in ROM remains whether or not the computer is receiving power. RJ11 - A modular connector used to . This type of a removable disk. Compare RAM. A single SCSI PC Card enables you start it is the acronym for Small Computer Systems Interface. To highlight or otherwise specify text, data, or graphics...
..., resolution is expressed in ROM remains whether or not the computer is receiving power. RJ11 - A modular connector used to . This type of a removable disk. Compare RAM. A single SCSI PC Card enables you start it is the acronym for Small Computer Systems Interface. To highlight or otherwise specify text, data, or graphics...
Maintenance Manual
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... formats: Photo-CD, CD-EXTRA, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RW, DVD-Video, DVD-RAM. 1 Hardware Overview 1.1 Features q CD-RW/DVD Drive A full-size, CD-RW/DVD- This drive supports the...CD-EXTRA, DVD-Video, DVD-ROM, DVD-R. TEXT, DVD-Video, DVD-ROM, DVD-R, DVD-RW, DVD-RAM. It reads DVD-ROMs at maximum 8 speed and CD-ROMs at maximum 24 speed. or 102-key enhanced...DA, CD- It supports software that have special functions in the palm rest enable control of windows. 1-2 Satellite A20 Maintenance Manual (960-444) It reads DVD-ROMs at maximum 8 speed and CD-ROMs at 2 speed....
... formats: Photo-CD, CD-EXTRA, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RW, DVD-Video, DVD-RAM. 1 Hardware Overview 1.1 Features q CD-RW/DVD Drive A full-size, CD-RW/DVD- This drive supports the...CD-EXTRA, DVD-Video, DVD-ROM, DVD-R. TEXT, DVD-Video, DVD-ROM, DVD-R, DVD-RW, DVD-RAM. It reads DVD-ROMs at maximum 8 speed and CD-ROMs at maximum 24 speed. or 102-key enhanced...DA, CD- It supports software that have special functions in the palm rest enable control of windows. 1-2 Satellite A20 Maintenance Manual (960-444) It reads DVD-ROMs at maximum 8 speed and CD-ROMs at 2 speed....
Maintenance Manual
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...-ROM Mode1, Mode2, CD-ROM XA Mode 2 (Form 1, Form 2), Photo CD (single/multisession), Enhanced CD, CD-TEXT DVD-ROM, DVD-Video, DVD-R (General, Authoring) DVD-RAM (4.7GB, 2.6GB) Table 1-2 CD-RW/DVD drive specifications (2/4) Item Transfer rate Read (CD-ROM) Read (DVD-ROM) Write (CD-R) Write (CD-RW) Average access time...-ROM, CD-ROM XA, CD-R, CD-RW, Photo CD, Video CD, CD-EXTRA (CD+), CDTEXT DVD-Video, DVD-ROM, DVD-R (3.9GB, 4.7GB), DVD-RW, DVD-RAM (4.7GB) Satellite A20 Maintenance Manual (960-444) 1-17
...-ROM Mode1, Mode2, CD-ROM XA Mode 2 (Form 1, Form 2), Photo CD (single/multisession), Enhanced CD, CD-TEXT DVD-ROM, DVD-Video, DVD-R (General, Authoring) DVD-RAM (4.7GB, 2.6GB) Table 1-2 CD-RW/DVD drive specifications (2/4) Item Transfer rate Read (CD-ROM) Read (DVD-ROM) Write (CD-R) Write (CD-RW) Average access time...-ROM, CD-ROM XA, CD-R, CD-RW, Photo CD, Video CD, CD-EXTRA (CD+), CDTEXT DVD-Video, DVD-ROM, DVD-R (3.9GB, 4.7GB), DVD-RW, DVD-RAM (4.7GB) Satellite A20 Maintenance Manual (960-444) 1-17
Maintenance Manual
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... (Kbytes/s) Access time (ms) Average Random Access Average Full Stroke Access Average Full Stroke Access Data Buffer Capacity (Mbytes) Supported Formats Spe cifications TOSHIBA G8CC0000ZD10 DVD-ROM CD-ROM DVD-RAM (Write) 33.3 (Ultra DMA) 16.7 (PIO mode 4, Multiple word DMA transfer mode 2) 100 95 160 DVD-ROM, DVD-R, DVD-RW,... DVD-RAM 95 90 160 2 CD-DA, CD+ (E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, CD-I, CD-I Bridge, Multi session CD, CD-R, CD-RW 170 120 350 DVD-ROM DVD-RW (Ver.1.1) Satellite A20 Maintenance Manual (960-444) 1-19 It writes CD-R at...
... (Kbytes/s) Access time (ms) Average Random Access Average Full Stroke Access Average Full Stroke Access Data Buffer Capacity (Mbytes) Supported Formats Spe cifications TOSHIBA G8CC0000ZD10 DVD-ROM CD-ROM DVD-RAM (Write) 33.3 (Ultra DMA) 16.7 (PIO mode 4, Multiple word DMA transfer mode 2) 100 95 160 DVD-ROM, DVD-R, DVD-RW,... DVD-RAM 95 90 160 2 CD-DA, CD+ (E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, CD-I, CD-I Bridge, Multi session CD, CD-R, CD-RW 170 120 350 DVD-ROM DVD-RW (Ver.1.1) Satellite A20 Maintenance Manual (960-444) 1-19 It writes CD-R at...
Maintenance Manual
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... at 2 speed. It writes CD-R at up to 16 speed, CD-RW at up to 8 speed, DVD-R and DVD-RW at single speed, and DVD-RAM at maximum 24 speed. The DVD Multi drive is shown in table 1-4. 1 Hardware Overview 1.6 DVD Multi Drive 1.6 DVD Multi Drive A full-size, DVD Multi drive...-R/W, CD-R, CD-ROM XA Mode2 (Form1,Form2), Photo CD (Single/multi-session), CD-TEXT, Enhanced CD DVD: DVD-VIDEO, DVD-ROM, DVD-R (General, Authoring), DVD-RAM CD-R, CD-RW 1-20 Satellite A20 Maintenance Manual (960-444)
... at 2 speed. It writes CD-R at up to 16 speed, CD-RW at up to 8 speed, DVD-R and DVD-RW at single speed, and DVD-RAM at maximum 24 speed. The DVD Multi drive is shown in table 1-4. 1 Hardware Overview 1.6 DVD Multi Drive 1.6 DVD Multi Drive A full-size, DVD Multi drive...-R/W, CD-R, CD-ROM XA Mode2 (Form1,Form2), Photo CD (Single/multi-session), CD-TEXT, Enhanced CD DVD: DVD-VIDEO, DVD-ROM, DVD-R (General, Authoring), DVD-RAM CD-R, CD-RW 1-20 Satellite A20 Maintenance Manual (960-444)
Maintenance Manual
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... 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 Troubleshooting Procedures 2.12 Sound Troubleshooting Table 2-3 Printer port LED boot mode status (2/8) LED Status (B3h... 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...
... 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 Troubleshooting Procedures 2.12 Sound Troubleshooting Table 2-3 Printer port LED boot mode status (2/8) LED Status (B3h... 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...
Maintenance Manual
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SM-RAM stack area test (The system halts when the stack area can not be used.) Cache configuration Enabling L1 cache CMOS access ...Resume error 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... of CMOS battery level Check of CMOS checksum CMOS data initialization (1) Setting of C0000h to EFFFFh to PCI (Disabling DRAM) Satellite A20 Maintenance Manual (960-444) 2-25
SM-RAM stack area test (The system halts when the stack area can not be used.) Cache configuration Enabling L1 cache CMOS access ...Resume error 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... of CMOS battery level Check of CMOS checksum CMOS data initialization (1) Setting of C0000h to EFFFFh to PCI (Disabling DRAM) Satellite A20 Maintenance Manual (960-444) 2-25
Maintenance Manual
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... initialization (setting tim er interrupt internal to 55m/s) PIT CH2 initialization (setting the frequency for sound generator 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...
... initialization (setting tim er interrupt internal to 55m/s) PIT CH2 initialization (setting the frequency for sound generator 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...
Maintenance Manual
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...press Enter. Each bar displays black on the screen. This data is executed. Move the highlight bar to the subtest you want to video RAM 8MB. 3.7 Display Test 3 Tests and Diagnostics 3.7 Display Test To execute the Display Test, select 4 from the DIAGNOSTIC TEST MENU, press...green, semigreen, blue, semi-blue, white, and semi-white. The Display test contains seven subtests that test the display in various modes. Satellite A20 Maintenance Manual (960-444) 3-19 The display below appears on the screen when this subtest displays full screen of multiple color, followed by red...
...press Enter. Each bar displays black on the screen. This data is executed. Move the highlight bar to the subtest you want to video RAM 8MB. 3.7 Display Test 3 Tests and Diagnostics 3.7 Display Test To execute the Display Test, select 4 from the DIAGNOSTIC TEST MENU, press...green, semigreen, blue, semi-blue, white, and semi-white. The Display test contains seven subtests that test the display in various modes. Satellite A20 Maintenance Manual (960-444) 3-19 The display below appears on the screen when this subtest displays full screen of multiple color, followed by red...
Maintenance Manual
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... FEATURE ERROR HUB-CLEAR FEATURE1 ERROR HUB-SET FEATURE ERROR (Eanab.) HUB-CLEAR FEATURE2 ERROR USB-OVER COUNT ERROR USB-GET DESCR. ERROR (SECOND) 3-52 Satellite A20 Maintenance Manual (960-444) ERROR (Top 8B) HUB-GET DESCR. Table 3-2 Error codes and error status names (1/3) Device name (Common) System Memory USB Error code... Not supported PS-System Sending Error For AC-Adopter Sending Error For 1st Battery Sending Error For 2nd Battery Thormistor error (1) Thormistor error (2) Thormistor error (3) RAM Parity Error Protected Mode Not Changed Cache Memory Error USB-NO DESCR.
... FEATURE ERROR HUB-CLEAR FEATURE1 ERROR HUB-SET FEATURE ERROR (Eanab.) HUB-CLEAR FEATURE2 ERROR USB-OVER COUNT ERROR USB-GET DESCR. ERROR (SECOND) 3-52 Satellite A20 Maintenance Manual (960-444) ERROR (Top 8B) HUB-GET DESCR. Table 3-2 Error codes and error status names (1/3) Device name (Common) System Memory USB Error code... Not supported PS-System Sending Error For AC-Adopter Sending Error For 1st Battery Sending Error For 2nd Battery Thormistor error (1) Thormistor error (2) Thormistor error (3) RAM Parity Error Protected Mode Not Changed Cache Memory Error USB-NO DESCR.
Maintenance Manual
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...Subtest number Test name Read data Write data Error status name Error count [[1:Next,2:Prev,3:Exit,4:Clear,5:Print,6:FD Log Read,7:FD Log Write]] Satellite A20 Maintenance Manual (960-444) 3-59 3.22 Log Utilities 3.22 Log Utilities 3 Tests and Diagnostics 3.22.1 Function Description This function logs... FDD/HDD or memory address (ADDR) 7. Write data (WD) 8. The error information is displayed in the DIAGNOSTIC MENU, logs error information into RAM or onto a floppy disk. Read data (RD) 9. Pass count (PASS) 5. This function can store data on a floppy disk or output the data...
...Subtest number Test name Read data Write data Error status name Error count [[1:Next,2:Prev,3:Exit,4:Clear,5:Print,6:FD Log Read,7:FD Log Write]] Satellite A20 Maintenance Manual (960-444) 3-59 3.22 Log Utilities 3.22 Log Utilities 3 Tests and Diagnostics 3.22.1 Function Description This function logs... FDD/HDD or memory address (ADDR) 7. Write data (WD) 8. The error information is displayed in the DIAGNOSTIC MENU, logs error information into RAM or onto a floppy disk. Read data (RD) 9. Pass count (PASS) 5. This function can store data on a floppy disk or output the data...
Maintenance Manual
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... previous page. 3 returns to the Diagnostic Menu. 4 erases all error log information in RAM. 5 outputs the error log information to a printer. 6 reads the log information from a floppy disk. 7 writes the log information to the error count. 3-60 Satellite A20 Maintenance Manual (960-444) In the case of the error status. However, it is...
... previous page. 3 returns to the Diagnostic Menu. 4 erases all error log information in RAM. 5 outputs the error log information to a printer. 6 reads the log information from a floppy disk. 7 writes the log information to the error count. 3-60 Satellite A20 Maintenance Manual (960-444) In the case of the error status. However, it is...
Maintenance Manual
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Appendix I Reliability Appendices Appendix I Appendix I -1 Table I-1 MTBF Component LCD Keyboard HDD USB FDD DVD-RAM drive CD-RW/DVD-ROM drive AC adaptor Time (hours) 50,000 40,000 300,000 43,800 60,000 60,000 20,000 Satellite A20 Maintenance Manual (960-444) I Reliability The following table shows MTBF (Mean Time Between Failures) for each component.
Appendix I Reliability Appendices Appendix I Appendix I -1 Table I-1 MTBF Component LCD Keyboard HDD USB FDD DVD-RAM drive CD-RW/DVD-ROM drive AC adaptor Time (hours) 50,000 40,000 300,000 43,800 60,000 60,000 20,000 Satellite A20 Maintenance Manual (960-444) I Reliability The following table shows MTBF (Mean Time Between Failures) for each component.
