Acer Altos R700 Series User Manual

Page 110

Advertising
background image

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

Description

G=Green,R=Red,A=Amber

MSB

LSB

BS811.f/cppl!!Qbhf!211!!Uvftebz-!Opwfncfs!37-!3113!!21;19!BN

Advertising