2.4
System
Board Troubleshooting
2 Troubleshooting
Portege M200 Maintenance Manual (960-457)
2-23
Table 2-3 D port status (2/7)
D port
status
Details
Remarks
Key inputting
Loading CHGBIOSA.EXE and
CHGFIRMA.EXE
Resetting FDC
Setting parameter for 2HD (1.44MB) and
transmission rate
Reading the first sector
When it is sector for 2HD, media
type is determined.
Setting parameter for 2DD (720KB)and
transmission rate
Searching CHGBIOSA.EXE in the root
directory
Calculating start head and sector of directory
Reading contents of root directory by one
sector
Searching entry of “CHGBIOSA.EXE ”/
“CHGFIRMA.EXE ” in the sector
Reading EXE header of “CHGBIOSA.EXE ”/
“CHGFIRMA.EXE ”
If error occurs, process goes to
key input.
F009h
Executing CHGBIOSA.EXE and
CHGFIRMA.EXE
F100h
Disabling cache
Initializing special registers
Initializing Ch1 of a PIT
(Refresh interval
->30 micro seconds)
Checking size and type of DRAM (on Cold
Booting)
Checking DRAM size
HALT when DRAM size is 0.
F101h
Testing stack area of SMRAM
HALT when it can be used as
stack area.
Содержание M200 - Portege - Pentium M 1.5 GHz
Страница 1: ...1 Toshiba Personal Computer Portege M200 Maintenance Manual TOSHIBA CORPORATION File Number 960 457 ...
Страница 9: ...Portege M200 Maintenance Manual 960 457 ix Appendix H Key FD H 1 ...
Страница 10: ...x Portege M200Maintenance Manual 960 457 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii Portege M200 Maintenance Manual 960 457 1 Hardware Overview ...
Страница 33: ...Chapter 2 Troubleshooting Procedures ...
Страница 34: ...2 Troubleshooting Procedures 2 ii Portege M200 Maintenance Manual 960 457 2 ...
Страница 38: ...2 Troubleshooting Procedures 2 vi Portege M200 Maintenance Manual 960 457 ...
Страница 96: ...2 Troubleshooting Procedures 2 16 Bluetooth Troubleshooting 2 58 Portege M200 Maintenance Manual 960 457 ...
Страница 97: ...Chapter 3 Tests and Diagnostics ...
Страница 98: ...3 Tests and Diagnostics 3 ii Portege M200 Maintenance Manual 960 457 3 ...
Страница 119: ...3 7 Keyboard Test 3 Tests and Diagnostics Portege M200 Maintenance Manual 960 457 3 19 PRESS Enter KEY ...
Страница 184: ...Chapter 4 Replacement Procedures ...
Страница 185: ...4 Replacement Procedures 4 ii Portege M200 Maintenance Manual 960 457 4 ...
Страница 189: ...4 Replacement Procedures 4 vi Portege M200 Maintenance Manual 960 457 ...
Страница 258: ...Appendices ...
Страница 259: ...Appendices App ii Portege M200 Maintenance Manual 960 457 ...
Страница 265: ...Appendices App viii Portege M200 Maintenance Manual 960 457 ...
Страница 271: ...Appendices Apx A Handling the LCD Module A 6 Portege M200 Maintenance Manual 960 457 ...
Страница 279: ...Appendices Apx B Board Layout B 8 Portege M200 Maintenance Manual 960 457 ...
Страница 309: ...Appendices Apx C Pin Assignment C 30 Portege M200 Maintenance Manual 960 457 ...
Страница 319: ...Appendices Apx E Key Layout E 2 Portege M200 Maintenance Manual 960 457 ...
Страница 321: ...Appendices Apx F BIOS KBC EC Update F 2 Portege M200 Maintenance Manual 960 457 ...
Страница 323: ...Appendices Apx G Reliability G 2 Portege M200 Maintenance Manual 960 457 ...
Страница 325: ...Appendices Apx H Key FD H 2 Portege M200 Maintenance Manual 960 457 ...