PORT 80 CODES (continued)
Code
Description
Runtime code is uncompressed in F000 shadow RAM.
03
NMI is disabled. To check soft reset/power-on next.
05
Soft reset and power-on determined. Going to disable cache if any.
06
POST code to be uncompressed.
07
POST code is uncompressed. CPU init and CPU data area init to be
done next.
08
CPU and CPU data area init done. CMOS checksum calculation to be
done next.
09
CMOS checksum calculation is done, CMOS diagnostic byte written.
CMOS init to begin (if the "Init CMOS at every boot" option is set.
0A
CMOS initialization done (if any). CMOS status register about to init
for date and time.
0B
CMOS status register init done. Any initialization before keyboard
BAT to be done next.
0C
Keyboard controller I/B free. Going to issue the BAT command to
keyboard controller.
0D
BAT command to keyboard controller is issued. Going to verify the
BAT command.
0E
Keyboard controller BAT result verified. Any initialization after keyboard
controller BAT to be done next.
0F
Initialization after keyboard controller BAT done. Keyboard command
byte to be written next.
10
Keyboard controller command byte is written. Going to issue Pin 23,24
blocking/unblocking command.
11
Pins 23, 24 of keyboard controller is blocked/unblocked. Going to
check pressing of <Ins> key during power-on.
12
Checking for pressing of <Ins> key during power-on done. Going to
disable DMA and interrupt controllers.
13
DMA controllers #1 and #2 and interrupt controllers #1 and #2 disabled.
Video display is disabled and port B is initialized. Chipset init about to
begin.
15
Chipset initialization over. 8254 timer test about to start.
BIOS MESSAGES
A-8
TECHNICAL REFERENCE
Summary of Contents for SB586TCP/166
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Page 11: ...SPECIFICATIONS TECHNICAL REFERENCE 1 3...
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Page 94: ...This page intentionally left blank ADVANCED SETUP 5 18 TECHNICAL REFERENCE...
Page 106: ...This page intentionally left blank PERIPHERAL SETUP 7 8 TECHNICAL REFERENCE...
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