port 80h post code ranges
rangecategory/subsystem
00 – 0f
debug codes: can be used by any peim/driver for debug.
10 – 1f
host processors: 1f is an unrecoverable cpu error.
20 – 2f
memory/chipset: 2f is no memory detected or no useful memory detected.
30 – 3f
recovery: 3f indicated recovery failure.
40 – 4f
reserved for future use.
50 – 5f
i/o busses: pci, usb, isa, ata, etc. 5f is an unrecoverable error. start with pci.
60 – 6f
reserved for future use (for new busses).
70 – 7f
output devices: all output consoles. 7f is an unrecoverable error.
80 – 8f
reserved for future use (new output console codes).
90 – 9f
input devices: keyboard/mouse. 9f is an unrecoverable error.
a0 – af
reserved for future use (new input console codes).
b0 – bf
boot devices: includes fixed media and removable media. bf is an unrecoverable error.
c0 – cf
reserved for future use.
d0 – df
boot device selection.
e0 – ff
e0 - ee: miscellaneious codes
ef: boot/s3 resume failure
f0 – ff: ff processor exception
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