4-11 Troubleshooting
CP
Reason
8A
Initialize Extended BIOS Data Area
8B
Test and initialize PS/S mouse
8C
Initialize floppy controller
90
Initialize hard disk controller
91
Initialize local bus hard disk controller
92
Jump to UserPatch2
93
Build MPTABLE for multi-processor boards
94
Disable A20 address line
95
Install CD-ROM for boot
96
Clear huge ES segment register
97
Fixup Multi Processor table
98
Search for option ROMs. One long, two short beeps on checksum failure
99
Check for SMART Drive
9A
Shadow option ROMs
9C
Set up Power Management
9D
Initialize security engine
9E
Enable hardware interrupts
A0
Set time of day
A2
Check key lock
A4
Initialize typematic rate
A8
Erase F2 prompt
A9 Prepare
boot
AA
Scan for F2 key stroke
AC
Print bottom message
AE
Clear the POST flag
B0
Check POST Error
B2 POST
End
B4 Beep
once
B5
End the Quiet Boot
B6 Check
Password
B7 Configuration
ACPI
B9 Prepare
boot
BA DMI
Configuration
BC
Clear parity checkers
BD
Display Boot Menu
BE Clear
Screen
C0 INT19
C1
Initialize the POST Error Manager
C2
Invoke End of POST Error Logging
C3
Invoke End of POST Error Message Display
C6
Initialize Console Redirection
C7
Control Console Port
CD
Initialize Console Redirection
D1
Initialize BIOS stack
D3
Find an A20-agnostic place in memory
Summary of Contents for Express 5800
Page 1: ... EXPRESS5800 120Mf S e r v i c e G u i d e ...
Page 2: ......
Page 23: ...3 3 Unit Configuration ...
Page 24: ...3 4 Unit Configuration CABLE CONNECTION LIST ...
Page 36: ...4 12 Troubleshooting ...
Page 38: ...5 2 Preventive Maintenance ...
Page 62: ...6 24 Installing Optional Internal Devices ...
Page 66: ...8 2 Notes ...
Page 67: ...xx ...
Page 68: ... ...