HP proliant ML110 Operation And Maintenance Manual page 90

Table 7-2: POST Beep Codes
Code
20h
22h
24h
28h
29h
2Ah
2Ch
2Eh
2Fh
32h
33h
36h
38h
3Ah
3Ch
3Dh
41h
42h
45h
46h
47h
48h
49h
4Ah
4Bh
4Ch
4Eh
4Fh
50h
51h
52h
54h
55h
HP ProLiant ML110 Server Operations and Maintenance Guide
continued
Beep POST routine description
1-3-1-1 Test DRAM refresh
1-3-1-3 Test 8742 keyboard controller
Set ES segment register to 4 GB
1-3-3-1 Auto size DRAM
Initialize POST Memory Manager
Clear 512 KB base RAM
1-3-4-1 RAM failure on address line xxxx
1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus
Enable cache before system BIOS shadow
Test CPU bus-clock frequency
Initialize Phoenix Dispatch Manager
Warm start shut down
Shadow system BIOS ROM
Auto size cache
Advanced configuration of chipset registers
Load alternate registers with CMOS values
Initialize extended memory for ROM Pilot
Initialize interrupt vectors
POST device initialization
2-1-2-3 Check ROM copyright notice
Initialize I20 support
Check video configuration against CMOS
Initialize PCI bus and devices
Initialize all video adapters in system
QuietBoot start (optional)
Shadow video BIOS ROM
Display BIOS copyright notice
Initialize MultiBoot
Display CPU type and speed
Initialize EISA board
Test keyboard
Set key click if enabled
Enable USB devices
System Diagnostics
continued
7-5