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Recovery BIOS POST codes

The table below lists the port-80 codes displayed during a recovery boot process.

CP

Reason

 

 

E0

Initialize chip set

 

 

E1

Initialize bridge

 

 

E2

Initialize processor

 

 

E3

Initialize timer

 

 

E4

Initialize system I/O

 

 

E5

Check forced recovery boot

 

 

E6

Validate checksum

 

 

E7

Go to BIOS

 

 

E8

Initialize processors

 

 

E9

Set 4 GB segment limits

 

 

EA

Perform platform initialization

 

 

EB

Initialize PIC and DMA

 

 

EC

Initialize memory type

 

 

ED

Initialize memory size

 

 

EE

Shadow boot block

 

 

EF

Test system memory

 

 

F0

Initialize interrupt services

 

 

F1

Initialize real time clock

 

 

F2

Initialize video

 

 

F3

Initialize beeper

 

 

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Acer G901 manual Recovery Bios Post codes, 219