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Acer Altos G520-Serie Benutzerhandbuch Seite 173

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Diagnostic LED Decoder
Check
G=Green, R=Red, A+Amber
point
MSB
0A
G
0B
G
0C
G
0E
G
13
OFF
24
OFF
30
OFF
2A
G
LSB
OFF
G
OFF
OFF
G
G
G
OFF
OFF
G
G
OFF
OFF
G
A
G
R
OFF
OFF
R
R
OFF
A
OFF
Description
Initializes the 8042
compatible Key Board
Controller
Detects the presence of
PS/2 Mouse
Detects the presence of
Keyboard in KBC Port
Testing and initialization
of different Input Devices.
Also, update the Kernel
Variables.
Traps the INT09h vector,
so that the POST INT09h
handler gets control for
IRQ1. Uncompress all
available language, BIOS
logo, and Silent logo
modules.
Early POST initialization of
chipset registers
Uncompress and initialize
any platform specific BIOS
modules
Initialize System
Management Interrupt
Initializes different devices
through DIM. See DIM
Code Checkpoints section
of document for more
information
161

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