POST Beep Codes
69
Appendix F
5Ah
Display prompt “Press F2 to enter SETUP”
5Ch
Test RAM between 512KB and 640KB
60h
Test
extended
memory
62h
Test extended memory address lines
64h
Jump to UserPatch1
66h
Configure
advanced
cache
registers
68h
Enable external and CPU caches
6Ah
Display external cache size
6Ch
Display shadow message
6Eh
Display non-disposable segments
70h
Display
error
messages
72h
Check for configuration errors
74h
Test real-time clock
76h
Check for keyboard errors
7Ch
Set up hardware interrupts vectors
7Eh
Test coprocessor if present
80h
Disable onboard I/O ports
82h
Detect and install external RS232 ports
84h
Detect and install external parallel ports
86h
Re-initialize onboard I/O ports
88h
Initialize BIOS Data Area
8Ah
Initialize Extended BIOS Data Area
8Ch
Initialize floppy controller
90h
Initialize hard disk controller
91h
Initialize localbus hard disk controller
92h
Jump to UserPatch2
94h
Disable A20 address line
96h
Clear huge ES segment register
98h
Search for option ROMs
9Ah
Shadow option ROMs
Table F-1. Phoenix NuBIOS Checkpoint Codes (continued)
Beep
Code
POST
Code
Checkpoint Description
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Содержание VXI Pentium Series
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