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6 Technical Reference
100
08h G Off Off Off Verify CMOS Checksum.
07h Off G G G Read Microcode updates from
BIOS ROM.
07h Off G G G Initializing the processors. Set up
processor registers. Select least
featured processor as the BSP.
0Bh G Off G G Hook before the keyboard BAT
command is issued.
0Ch G G Off Off Keyboard Controller Test: The
keyboard controller input buffer
is free. Next, issuing the BAT
command to the keyboard
controller.
0Eh G G G Off Init after Keyboard Test: The
keyboard controller BAT
command result has been
verified. Next, performing any
necessary initialization after the
keyboard controller BAT
command test.
0Fh G G G G Write Command Byte 8042: The
initialization after the keyboard
controller BAT command test is
done. The keyboard command
byte will be written next.
10h Off Off Off R Keyboard Init: The keyboard
controller command byte is
written. Next, issuing the pin 23
and 24 blocking and unblocking
commands.
10h Off Off Off R Disable and initialize 8259.
Post
Code
Diagnostic LED Decoder
DescriptionG=Green,R=Red,A=Amber
MSB LSB
BS811.f/cppl!!Qbhf!211!!Uvftebz-!Opwfncfs!37-!3113!!21;19!BN