102

 

 

 

 

6 Technical Reference

 

 

 

 

 

 

 

 

Diagnostic LED Decoder

 

 

Post

 

 

 

 

 

 

G=Green,R=Red,A=Amber

Description

 

Code

 

 

 

 

 

 

 

 

MSB

 

 

LSB

 

 

 

 

 

 

 

 

 

12h

Off

Off

G

R

Load defaults in CMOS RAM if

 

 

 

 

 

bad checksum or CMOS clear

 

 

 

 

 

jumper is detected.

 

 

 

 

 

 

 

12h

Off

Off

G

R

Initializing APP CMOS RAM for

 

 

 

 

 

appliance servers only.

 

 

 

 

 

 

 

12h

Off

Off

G

R

Check point After CMOS

 

 

 

 

 

Initialized.

 

 

 

 

 

 

 

27h

Off

G

A

G

Validate date and time in RTC.

 

 

 

 

 

 

 

F4h

R

A

R

R

Load Micro Code To All CPUs.

 

 

 

 

 

 

 

F6h

R

A

A

R

Scan SMBIOS GPNV areas.

 

 

 

 

 

 

 

15h

Off

G

Off

A

8254 Timer Test on Channel 2.

 

 

 

 

 

 

 

15h

Off

G

Off

A

Enable 8042.

 

 

 

 

 

 

 

15h

Off

G

Off

A

Keyboard Reset.

 

 

 

 

 

 

 

26h

Off

G

A

Off

Initialize LCD, if supported.

 

 

 

 

 

 

 

28h

G

Off

R

Off

Set Video Mode: Initialization

 

 

 

 

 

before setting the video mode is

 

 

 

 

 

complete. Configuring the

 

 

 

 

 

monochrome mode and color

 

 

 

 

 

mode settings next.

 

 

 

 

 

 

 

29h

G

Off

R

G

Debugger Hook.

 

 

 

 

 

 

 

2Ah

G

Off

A

Off

Init PCI devices and

 

 

 

 

 

motherboard devices. Pass

 

 

 

 

 

control to video BIOS. Start serial

 

 

 

 

 

console redirection.

 

 

 

 

 

 

 

2Bh

G

Off

A

G

Platform hook.

 

 

 

 

 

 

 

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Acer R700 manual 102