System diagnostic tests (continued)

Device

Tests available

 

 

Description

 

 

 

 

 

 

 

 

Video

Adapter check

 

 

Tests the operation of the

Adapter

Attribute check

 

 

built-in VGA display adapter

 

Character set

check

 

 

 

 

Graphics mode check

 

 

 

 

Screen paging check

 

 

 

 

Sync check

 

 

 

 

 

 

Run all above checks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tests the operation of your

 

 

 

 

keyboard by displaying an

 

 

 

 

asterisk on a keyboard diagram

 

 

 

 

for each key you have pressed

 

 

 

 

 

 

 

The Write, read check destroys data on the disk. Be sure to back up data on a hard disk or insert a blank, formatted diskette before running this test.

Error Messages

The following table lists all the error messages that may appear during System diagnostic testing.

System diagnostic

error messages

Error code

Message

 

 

System board

 

0101

CPU error

0102

ROM checksum error

0103

Timer counter register error

0104

Timer counter error

0105

Refresh error

0105

DMA controller register error

0106

DMA page register error

0107

Refresh error

0108

Keyboard controller timeout error

0108

Keyboard controller self diagnostic error

0108

Keyboard controller write command error

0109

CMOS checksum error

0110

CMOS shutdown byte error

0111

CPU instruction error

 

 

 

 

4 - 8 Running System Diagnostics