Acer G901 Server User Manual


 
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Standard BIOS post codes
The table below lists the port-80 codes displayed during the boot
process. A beep code is a series of individual beeps on the PC speaker,
each of equal length. The table describes the error conditions
associated with each beep code and the corresponding POST check
point code as seen by a port 80h card. For example, if an error occurs
at checkpoint 22h, the BIOS issues the beep code 1-3-1-1.
CP Beeps Reason
02 Verify real mode
04 Get processor type
06 Initialize system hardware
08 Initialize chipset registers with initial POST
values
09 Set in POST flag
0A Initialize processor registers
0B Enable processor cache
0C Initialize caches to initial POST values
0E Initialize I/O
0F Initialize the local bus IDE
10 Initialize power management
11 Load alternate registers with initial POST
values
12 Restore processor control word during warm
boot
14 Initialize keyboard controller
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