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POST #
CB-CF
D4-DF
E1-EE
F0-FE
Downloaded from StockCheck.com
Designation
CA
Very Early Initialization
Reserved
D0
Power Management Full speed
Power Management -- Doze
D1
mode
D2
Power Management—Sleep
mode
D3
Power Management – Suspend
mode
Debug
E0
Reserved
Setup Page
Shadow Error
EF
Reserved
FF
Boot
Description
OEM Specific – Initialize hardware before any other hardware
initialization.
Reserved
Trying to go back or into full speed mode.
Trying to go or in Doze mode.
Trying to go or in Sleep mode.
Trying to go or in Suspend mode.
Available POST codes for use by source code customers during
development.
Reserved
Page 1 to Page 14
In POST 6 to signal a Shadow Error.
Reserved
The system is now booted or waiting for an OS.
E-7
BIOS Setup Error Codes
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