HP XM600 - Kayak - 128 MB RAM Technical Reference Manual page 122

6 Tests and Error Messages
Order in Which POST Tests Are Performed
Checkpoint
Beeps
Code
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Ch
8Fh
90h
91h
92h
93h
95h
96h
97h
98h 1-2
99h
9Ah
9Ch
9Dh
9Eh
122
POST Routine Description
Detect and install external RS 232 ports
Configure non-MCD IDE controllers
Detect and install external parallel ports
Initialize PC-compatible PnP ISA devices
Re-initialize onboard I/O ports
Configure System Board Configurable Devices (optional)
Initialize BIOS Data Area
Enable Non-Maskable Interrupts (NMIs)
Initialize Extended BIOS Data Area
Test and initialize PS/2
Initialize floppy controller
Determine number of ATA drives (optional)
Initialize hard disk controllers
Initialize local-bus hard disk controllers
Jump to UsersPatch2
Build MPTABLE for multi-processor boards
Install CD ROM for boot
Clear huge ES segment register
Fix up Multi Processor table
Search for option ROMs. One long, two short beeps on checksum failure.
Check for SMART drive
Shadow option ROMs
Set up Power Management
Initialize security engine (optional)
Enable hardware interrupts