Basic Input Output System (BIOS)
SAI2 Server Board TPS
Revision
1.0
40
CP
Beeps
Reason
5A
Display prompt "Press F2 to enter SETUP"
5C
Test RAM between 512 and 640 k
60
Test extended memory
62
Test extended memory address lines
64
Jump to UserPatch1
66
Configure advanced cache registers
68
Enable external and processor caches
6A
Display external cache size
6B
Load custom defaults if required
6C
Display shadow message
6E
Display non-disposable segments
70
Display error messages
72
Check for configuration errors
74
Test real-time clock
76
Check for keyboard errors
7A
Test for key lock on
7C
Set up hardware interrupt vectors
7D
Intelligent system monitoring
7E
Test coprocessor if present
82
Detect and install external RS232 ports
85
Initialize PC-compatible PnP ISA devices
86
Re-initialize on board I/O ports
88
Initialize BIOS Data Area
8A
Initialize Extended BIOS Data Area
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
98
1-2
Search for option ROMs. One long, two short beeps on checksum failure
9A
Shadow option ROMs
9C
Set up Power Management
9E
Enable hardware interrupts
A0
Set time of day
A2
Check key lock
A4
Initialize typematic rate
A8
Erase F2 prompt
AA
Scan for F2 key stroke
AC
Enter
SETUP
AE
Clear in-POST flag
B0
Check for errors
B2
POST done – prepare to boot Operating System
