HP XU700 User Manual

Page 107

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107

6 Tests and Error Messages

Order in Which POST Tests Are Performed

2Ch

RAM failure on address line

1

RAM Add. Failure

2Eh

RAM failure on data bits xxxx

1

of low byte of memory bus

RAM Data Low

2Fh

Enable cache before system BIOS shadow

30h

RAM failure on data bits xxxx

1

of high byte of memory bus

RAM Data High

32h

Test CPU bus-clock frequency

33h

Initialize POST Dispatch Manager

36h

Warm start shut down

38h

Shadow system BIOS ROM

Shadow BIOS
ROM

3Ah

Autosize cache

3Ch

Advanced configuration of chipset registers

3Dh

Load alternate registers with CMOS values

42h

Initialize interrupt vectors

45h

POST device initialization

46h

Check ROM copyright notice

48h

Check video configuration against CMOS

49h

Initialize PCI bus and devices

PCI Detection

5

4Ah

Initialize all video adapters in system

Video Detection

4

4Bh

Display QuietBoot screen (optional)

4Ch

Shadow video BIOS ROM

4Eh

Display BIOS copyright notice

50h

Display CPU type and speed

51h

Initialize EISA board

52h

Test keyboard

Keyboard Test

54h

Set key click if enabled

Checkpoint

Code

POST Routine Description

MaxiLife LCD

Display

Message

Beep

Codes

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