1.2 System Unit Block Diagram
1 Hardware Overview
Firmware Hub (FWH)
•
One Intel 820 chipset (82802ABB) is used.
•
This gate array has the following features:
–
Firmware hub hardware interface mode
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Two configurable interfaces
–
Program/erase controller
–
Program and erase suspend
–
4Mbits of flash memory for platform code/data nonvolatile storage
–
Address/Address-Multiplexed (A/A Mux) interface/mode
–
Case temperature operating range
–
Vcc: 3V to 3.6V
–
Vpp: 12V for fast programming
•
4Mbits of flash memory are used as shown below:
–
64KB are used for VGA-BIOS.
–
288KB are used for system BIOS.
–
8KB are used for plug and play data area.
–
8KB are used for password security.
–
16KB are used for boot strap.
–
32KB are used for ACPI P code.
–
48KB are used for LOGO.
–
128KB are reserved for LAN BIOS.
−
432KB are reserved.
VGA controller (in the Mo)
–
UMA (16MB) can be extended to 64MB by a Display Driver
–
AGP bus R2.0 x4
–
LCD I/F LVDS 2ch
Sound Controller
•
One AC'97Codec AD1981B chip and AC-Link controller embedded in ICH4-M
•
SW sound
TECRA M2V Maintenance Manual (960-476)
1-11
Содержание Tecra M2V
Страница 1: ...Toshiba Personal Computer TECRA M2V Maintenance Manual TOSHIBA CORPORATION File Number 960 476 ...
Страница 10: ...x TECRA M2V Maintenance Manual 960 476 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii TECRA M2V Maintenance Manual 960 476 ...
Страница 50: ...1 Hardware Overview 1 13 Batteries 1 36 TECRA M2V Maintenance Manual 960 476 ...
Страница 51: ...Chapter 2 Troubleshooting Procedures ...
Страница 52: ...2 Troubleshooting Procedures 2 ii TECRA M2V Maintenance Manual 960 476 ...
Страница 56: ...2 Troubleshooting Procedures 2 vi TECRA M2V Maintenance Manual 960 476 ...
Страница 110: ...2 Troubleshooting Procedures 2 14 SD Card Slot Troubleshooting 2 54 TECRA M2V Maintenance Manual 960 476 ...
Страница 111: ...Chapter 3 Tests and Diagnostics ...
Страница 112: ...3 Tests and Diagnostics 3 ii TECRA M2V Maintenance Manual 960 476 ...
Страница 195: ...Chapter 4 Replacement Procedures ...
Страница 196: ...4 Replacement Procedures 4 ii TECRA M2V Maintenance Manual 960 476 ...
Страница 200: ...4 Replacement Procedures 4 vi TECRA M2V Maintenance Manual 960 476 ...
Страница 274: ...4 Replacement Procedures 4 23 LCD unit FL inverter 4 74 TECRA M2V Maintenance Manual 960 476 ...
Страница 296: ...4 Replacement Procedure 4 26 Fluorescent Lamp 4 96 TECRA M2V Maintenance Manual 960 476 ...
Страница 297: ...Appendices ...
Страница 298: ...Appendices App ii TECRA M2V Maintenance Manual 960 476 ...
Страница 304: ...Appendices App viii TECRA M2V Maintenance Manual 960 476 ...
Страница 310: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M2 Maintenance Manual 960 468 ...
Страница 356: ...Appendices Appendix E Key Layout E 2 TECRA M2V Maintenance Manual 960 476 ...
Страница 360: ...Appendices Appendix G BIOS rewrite procedures G 2 TECRA M2V Maintenance Manual 960 476 ...
Страница 362: ...Appendices Appendix H EC KBC rewrite procedures H 2 TECRA M2V Maintenance Manual 960 476 ...
Страница 364: ...Appendices Appendix I Reliability I 2 TECRA M2V Maintenance Manual 960 476 ...