2.4 System Board Troubleshooting
2 Troubleshooting Procedures
PORTEGE A100 Maintenance Manual (960-460)
2-23
Table 2-3 D port status (4/7)
D port status
Inspection items
Details
F105h
Initializing and testing( only in Cold Boot) a PIT
Setting a test pattern to the channel 0 of a PIT#0
Checking whether the test pattern can be read.
Initializing PIT channel 0 (Timer interrupt interval
→
55ms)
Initializing PIT channel 2 ( Frequency for sound
generator
→
664Hz)
Testing the channel 1 of a PIT( checking whether the
refresh signal is generated correctly in refreshing cycle
of 30
µ
s)
When a time-out, HLT.
Testing the channel 2 of a PIT (checking whether the
speaker gate operate correctly)
Measuring CPU clock
Enabling SMI other than of auto-off function
Controlling battery discharging current (1CmA)
Control of over current than rated current of AC adapter
Processing of dividing for measuring time of IRT
Initializing CPU
Updating micro -code
Checking of supporting Geyserville
Set the CPU clock to High
Setting Graphics Aperture Size
Storing the memory configuration
Reading EC version
Updating the type of flash ROM
Judging the country of destination
Checking the default settings of CMOS
Bad Battery, Bad CheckSum
→
default setting
Initializing ACPI table
Setting devices before initializing PCI bus
AC’97 control
Initializing information of thermal control
Initializing a KBC
Turning VGA display off and controlling reset
Initializing sound function
Getting the computer multiple box status
F106h
Checking the default
settings of CMOS
Initializing HC and recognizing/initializing USB device
connection
Содержание A100 VA3 - Satellite - Pentium Dual Core 1.6 GHz
Страница 1: ...1 Toshiba Personal Computer PORTEGE A100 Maintenance Manual TOSHIBA CORPORATION File Number 960 460 ...
Страница 10: ...Chapter 1 Hardware Overview ...
Страница 11: ...1 Hardware Overview 1 ii PORTEGE A100 Maintenance Manual 960 460 1 Hardware Overview ...
Страница 36: ...Chapter 2 Troubleshooting Procedures ...
Страница 37: ...2 Troubleshooting Procedures 2 ii PORTEGE A100 Maintenance Manual 960 460 2 ...
Страница 41: ...2 Troubleshooting Procedures 2 vi PORTEGE A100 Maintenance Manual 960 460 ...
Страница 95: ...2 Troubleshooting Procedures 2 16 Bluetooth Troubleshooting 2 54 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 96: ...Chapter 3 Tests and Diagnostics ...
Страница 97: ...3 Tests and Diagnostics 3 ii PORTEGE A100 Maintenance Manual 960 460 3 ...
Страница 112: ...3 4 System Test 3 Tests and Diagnostics PORTEGE A100 Maintenance Manual 960 460 3 13 ...
Страница 181: ...3 Test and Diagnostics 3 26 SETUP 3 80 PORTEGE A100 Maintenance Manual 960 460 Disabled Disables built in LAN functions ...
Страница 182: ...Chapter 4 Replacement Procedures ...
Страница 183: ...4 Replacement Procedures 4 ii PORTEGE A100 Maintenance Manual 960 460 4 ...
Страница 249: ...4 Replacement Procedures 4 25 Fluorescent lamp 4 62 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 265: ...Appendices ...
Страница 266: ...Appendices App ii PORTEGE A100 Maintenance Manual 960 460 ...
Страница 272: ...Appendices App viii PORTEGE A100 Maintenance Manual 960 460 ...
Страница 278: ...Appendices Apx A Handling the LCD Module A 6 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 316: ...Appendices Apx E Key Layout E 2 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 318: ...Appendices Apx F BIOS KBC EC Update F 2 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 320: ...Appendices Apx G Reliability G 2 PORTEGE A100 Maintenance Manual 960 460 ...
Страница 322: ...Appendices Apx H Key FD H 2 PORTEGE A100 Maintenance Manual 960 460 ...