129
7 Tests and Error Messages
Order in Which POST Tests Are Performed
5Bh
Disable CPU cache
5Ch
Test RAM between 512 and 640 KB
60h
Test extended memory
62h
Test extended memory address lines
64h
Jump to UserPatch1
66h
Configure advanced cache registers
68h
Enable external and CPU caches
69h
Setup System Management Mode (SMM) area
6Ah
Display external L2 cache size
6Ch
Display shadow-area message
6Eh
Display possible high address for UMB recovery
70h
Display error messages
72h
Check for configuration errors
76h
Check for keyboard errors
7Ch
Set up hardware interrupt vectors
7Eh
Initialize coprocessor if present
80h
Disable onboard Super I/O ports and IRQs
81h
Late POST device initialization
82h
Detect and install external RS 232 ports
83h
Configure non-MCD IDE controllers
84h
Detect and install external parallel ports
85h
Initialize PC-compatible PnP ISA devices
86h
Re-initialize onboard I/O ports
87h
Configure System Board Configurable Devices (optional)
88h
Initialize BIOS Data Area
Checkpoint
Code
POST Routine Description
Beep
Code
Summary of Contents for Vectra VL800
Page 1: ...hp vectra vl800 desktop minitower technical reference manual www hp com go vectrasupport ...
Page 26: ...26 1 VL800 Desktop Documentation ...
Page 44: ...44 2 VL800 Minitower Documentation ...
Page 122: ...122 6 HP BIOS BIOS Addresses ...
Page 138: ...138 7 Tests and Error Messages Error Message Summary ...