Acer Aspire 5536 Service Manual page 114

Code
82h
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89h
8Ah
8Bh
8Ch
8Fh
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9Ah
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9Dh
9Eh
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AAh
ACh
AEh
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106
Beeps
1-2
1
POST Routine Description
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
Search for option ROMs. One long, two
short beeps on checksum failure.
Check for SMART drive (optional)
Shadow option ROMs
Set up Power Management
Initialize security engine (optional)
Enable hardware interrupts
Determine number of ATA and SCSI
drives
Set time of day
Check key lock
Initialize Typematic rate
Erase F2 prompt
Scan for F2 key stroke
Enter SETUP
Clear Boot flag
Check for errors
POST done- prepare to boot operating
system
One short beep before boot
Terminate QuietBoot (optional)
Check password (optional)
Chapter 4