ProLiant DL140 Generation 2 Server Maintenance and Service Guide

Diagnostic tools 53
Table 6 POST beep codes
Code Beep Description
A0h Set time of day
A2h Check key lock
A4h Initialize typematic rate
A8h Erase F2 prompt
AAh Scan for F2 key stroke
ACh Enter Setup
AEh Clear boot flag
B0h Check for errors
B1h Inform ROM pilot about the end of POST.
B2h POST done, prepare to boot operating system
B4h 1 One short beep before boot
B5h Terminate quiet boot (optional)
B6h Check password (optional)
B7h Initialize ACPI BIOS
B9h Prepare boot
BAh Initialize SMBIOS
BBh Initialize PnP option ROMs
BCh Clear parity checkers
BDh Display multiboot menu
BEh Clear screen (optional)
BFh Check virus and backup reminders
C0h Try to boot with INT 19
C1h Initialize POST Error Manager (PEM)
C2h Initialize error logging
C3h Initialize error display function
C4h Initialize system error handler
C5h PnP and dual CMOS (optional)
C6h Initialize note dock (optional)
C7h Initialize note dock late
C8h Force check (optional)
C9h Extended checksum (optional)
CAh Redirect Int 15h to enable remote keyboard
CBh Redirect Int 13h to memory technologies devices such as ROM, RAM, PCMCIA, and serial disk
CCh Redirect Int 10h to enable remote serial video
CDh Re-map I/O and memory for PCMCIA
CEh Initialize digitizer and display message
D2h Unknown interrupt
The following are for boot block in flash ROM.
E0h Initialize the chipset
E1h Initialize the bridge
E2h Initialize the processor