Acer TravelMate P633-V Service Manual page 183

Table 4-3. BIOS Beep Codes
Code
69h
6Ah
6Bh
6Ch
6Eh
70h
72h
76h
7Ch
7Eh
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Ch
8Fh
90h
91h
92h
93h
95h
96h
97h
98h
Troubleshooting
Beeps
Setup System Management Mode (SMM) area
Display external L2 cache size
Load custom defaults (optional)
Display shadow-area message
Display possible high address for UMB recovery
Display error messages
Check for configuration errors
Check for keyboard errors
Set up hardware interrupt vectors
Initialize coprocessor if present
Disable onboard Super I/O ports and IRQs
Late POST device initialization
Detect and install external RS232 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 Motherboard Configurable Devices (optional)
Initialize BIOS Area
Enable Non-Maskable Interrupts (NMIs)
Initialize Extended BIOS Data Area
Test and initialize PS/2 mouse
Initialize floppy controller
Determine number of ATA drives (optional)
Initialize hard-disk controllers
Initialize local-bus hard-disk controllers
Jump to UserPatch2
Build MPTABLE for multi-processor boards
Install CD ROM for boot
Clear huge ES segment register
Fixup Multi Processor table
1-2 Search for option ROMs. One long, two short beeps on
checksum failure.
POST Routine Description
4-23