ADLINK Technology NuPRO-720, User Manual

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76 POST Messages
6.3 POST Codes
The following is a list of Normal POST Codes.
Code
(hex)
Name Description
C0 Turn Off Chipset And
CPU test OEM Specific-Cache control cache
Processor Status (1FLAGS) Verification. Tests the
following processor status flags: Carry, zero, sign,
overflow, The BIOS sets each flag, verifies They are
set, then turns each flag off and verifies it is off.
C1 Memory Presence First block memory detect OEM Specific-Test to size
on-board memory. Early chip set initialization Mem-
ory presence test OEM chip set routines Clear low
64K of memory Test first 64K memory.
C2 Early Memory Initial-
ization OEM Specific- Board Initialization
C3 Extend Memory
DRAM select OEM Specific- Turn on extended memory Initializa-
tion Cyrix CPU initialization Cache initialization
C4 Special Display Han-
dling OEM Specific- Display/Video Switch Handling so
that Switch Handling display switch errors never
occurs
C5 Early Shadow OEM specific- Early shadow enable for fast boot
C6 Cache presence test External cache size detection
CF CMOS Check CMOS checkup
B0 Spurious If interrupt occurs in protected mode.
B1 Unclaimed NMI If unmasked NMI occurs, display Press F1 to disable
NMI, F2 reboot.
BF Program Chip Set To program chipset from defaults values
E1-EF Setup Pages E1- Page 1, E2 - Page 2, etc.
1 Force load Default to
chipset Chipset defaults program
2 Reserved
3 Early Superio Init Early Initialized the super IO
4 Reserved
5 Blank video Reset Video controller
6 Reserved
7 Init KBC Keyboard controller init