Chapter 5
123
Tests and Error Messages
Order in Which the Tests Are Performed
34h
Test CMOS RAM
35h
Initialize alternate chipset registers
36h
Warm start shutdown
37h
Reinitialize the chipset (MB only)
38h
Shadow system BIOS ROM
39h
Reinitialize the cache (MB only)
3Ah
Autosize cache
3Ch
Configure advanced chipset registers
3Dh
Load alternate registers with CMOS values
40h
Set initial CPU speed
42h
Initialize interrupt vectors
44h
Initialize BIOS interrupts
45h
POST device initialization
47h
Initialize manager for PCI Option ROMs (Rel. 5.1 and earlier)
48h
Check video configuration against CMOS
49h
Initialize PCI bus and devices
4Ah
Initialize all video adapters in system
4Bh
Display QuietBoot screen
4Ch
Shadow video BIOS ROM
4Eh
Display BIOS copyright notice
50h
Display CPU type
51h
Initialize EISA board
52h
Test keyboard
54h
Set key click if enabled
56h
Enable keyboard
Checkpoint Code
POST Routine Description
Summary of Contents for X Class 500/550MHz
Page 6: ...6 Contents ...
Page 8: ...8 Figures ...
Page 15: ...15 1 System Overview ...
Page 66: ...66 Chapter2 System Board Devices on the ISA Bus ...
Page 96: ...96 Chapter3 Interface Boards and Mass Storage Drivers Connectors and Sockets ...
Page 134: ...134 Chapter5 Tests and Error Messages Beep Codes ...
Page 135: ...135 A Regulatory Information and Warranty ...
Page 146: ...146 AppendixA Regulatory Information and Warranty HP Hardware Warranty ...