PORT 80 CODES (continued)
Code
Description
98
Optional ROM control is done. About to give control to do any
required processing after optional ROM returns control.
99
Any initialization required after optional ROM test over. Going to set up
timer data area and printer base address.
9A
Return after setting timer and printer base address. Going to set the
RS-232 base address.
9B
Returned after RS-232 base address. Going to do any initialization
before coprocessor test.
9C
Required initialization before coprocessor test is over. Going to
initialize the coprocessor next.
9D
Coprocessor initialized. Going to do any initialization after coprocessor
test.
9E
Initialization after coprocessor test is complete. Going to check
extended keyboard, keyboard ID and Num Lock.
9F
Extended keyboard check is done, ID flag is set, Num Lock key on or
off as specified in Setup. Keyboard ID command to be issued.
A0
Keyboard ID command issued. Keyboard ID flag to be reset.
A1
Keyboard ID flag reset. Cache memory test to follow.
A2
Cache memory test over. Going to display any soft errors.
A3
Soft error display complete. Going to set keyboard typematic rate.
A4
Keyboard typematic rate set. To program memory wait states next.
A5
Memory wait states programming over. Going to clear the screen and
enable parity/NMI.
A7
NMI and parity enabled. Going to do any initialization required before
giving control to optional ROM at E000.
A8
Initialization before E000 ROM control over. E000 ROM to get control
next.
A9
Returned from E000 ROM control. Going to do any initialization
required after E000 optional ROM control.
AA
Initialization after E000 optional ROM control is over. Going to display
the system configuration.
BIOS MESSAGES
TECHNICAL REFERENCE
A-13
Summary of Contents for SB586TCP/166
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Page 11: ...SPECIFICATIONS TECHNICAL REFERENCE 1 3...
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