Specifications

Error messages

Boot failures

The System BIOS attempts to display an error message on the VGA and halts when

it encounters the following error conditions:

1. Fixed disk error

• No drive connected

• Configured for 0 cylinders

• Controller reset failed

• Drive not ready

• Track 0 seek timed out

• Drive initialization failed

• Drive recalibration failed

• Last track seek failed

2. Video error

• Color/Mono switch not set correctly

3. Timer error

• System timer (0) failed

4. Diskette error

• Floppy type does not match setup

5. I/O chip error

• I/O conflicts exist for serial and parallel ports, floppy, hard disk (any or all)

6. Other error

• IRQ conflict, unsupported COM port configuration, keyboard locked

• Pentium cooling fan has failed

• The System BIOS prints an error message but does not halt when it

encounters the following error conditions:

• Configuration error

• Previous POST execution was incomplete

• User BIOS Extension Region X exceeds DFFFFh