Table of Contents
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Port-80h Codes and Beep Codes
Port-80
Beep
Codes
Codes
9C
9E
A0
A2
A4
A8
AA
AC
AE
B0
B2
B4
1
B5
B6
B8
BC
BE
BF
C0
D0
D4
D6
D8
DA
DC
Error Descriptions
Set up Power Management
Enable hardware interrupts
Set time of day
Check key lock
Initialize typematic rate
Erase F2 prompt
Scan for F2 key stroke
Enter SETUP
Clear in-POST flag
Check for errors
POST done – prepare to boot Operating System
One short beep before boot
Display MultiBoot menu
Check password (optional)
Clear global descriptor table
Clear parity checkers
Clear screen (optional)
Check virus and backup reminders
Try to boot with INT 19
Interrupt handler error
Pending interrupt error
Initialize option ROM error
Shutdown error
Extended Block Move
Shutdown 10 error
Chapter 7: Troubleshooting
169
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Table of Contents
Troubleshooting
