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Acer Altos R701 User Manual

Page 111

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101

11h

Off

Off

Off

A

Detect Configuration Mode,
such as CMOS clear.

13h

Off

Off

G

A

Chipset Initialization before
CMOS initialization.

19h

G

Off

Off

A

Init System Timer: The 8254
timer test is over. Starting the
memory refresh test next.

1Ah

G

Off

G

R

Check Refresh Toggle: The
memory refresh line is toggling.
Checking the 15 second on/off
time next.

23h

Off

Off

A

G

Setup Interrupt Vectors: Reading
the 8042 input port and
disabling the MEGAKEY Green
PC feature next. Making the
BIOS code segment writable and
performing any necessary
configuration before initializing
the interrupt vectors.

24h

Off

G

R

Off

Before Vector: Configuration is
required before interrupt vector
initialization has completed.
Interrupt vector initialization is
about to begin.

25h

Off

G

R

G

Init interrupt Vectors: Interrupt
vector initialization is done.

F2h

R

R

A

R

Initialize SMM handler. Initialize
USB emulation.

F5h

R

A

R

A

Validate NVRAM areas. Restore
from backup if corrupted.

Post
Code

Diagnostic LED Decoder

Description

G=Green,R=Red,A=Amber

MSB

LSB

BS811.f/cppl!!Qbhf!212!!Uvftebz-!Efdfncfs!21-!3113!!6;19!QN