HP XM600 - Kayak - 128 MB RAM Technical Reference Manual page 120

6 Tests and Error Messages
Order in Which POST Tests Are Performed
Checkpoint
Beeps
Code
28h 1-3-3-1
29h
2Ah
2Ch 1-3-4-1
2Eh 1-3-4-3
2Fh
30h 1-4-1-1
32h
33h
36h
38h
3Ah
3Ch
3Dh
42h
45h
46h 2-1-2-3
48h
49h
4Ah
4Bh
4Ch
4Eh
50h
51h
120
POST Routine Description
Autosize DRAM
Initialize POST Memory Manager
Clear 512 KB base RAM
1
RAM failure on address line
1
RAM failure on data bits xxxx
Enable cache before system BIOS shadow
1
RAM failure on data bits xxxx
Test CPU bus-clock frequency
Initialize POST Dispatch Manager
Warm start shut down
Shadow system BIOS ROM
Autosize cache
Advanced configuration of chipset registers
Load alternate registers with CMOS values
Initialize interrupt vectors
POST device initialization
Check ROM copyright notice
Check video configuration against CMOS
Initialize PCI bus and devices
Initialize all video adapters in system
Display QuietBoot screen (optional)
Shadow video BIOS ROM
Display BIOS copyright notice
Display CPU type and speed
Initialize EISA board
of low byte of memory bus
of high byte of memory bus