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cPCI-MXS64GX Technical Reference Manual
POST Codes (continued)
POST #
Designation
51
Pre-Boot Enable
52
Initialize Option (ROM scan)
53
Initialize Time Value
54-5F
Reserved
60
61
Final Init
62
Num Lock ON
63
Boot Attempt
64-7F
Reserved
80
Kontron Segment Move 1
81
Kontron Segment Move 2
82
Kontron Segment Move 3
83
Check & Program CPLD
84
Kontron CRC Check
85-AF
Reserved
B0
Spurious
B1
Unclaimed NMI
B2-BD
Reserved
BE
Early Prog Chipset Def.
BF
Program Chip Set
C0
Turn ON/OFF Cache
C1
Memory presence
C2
Early Memory Initialization
C3
Extended Memory Initialization
C4
Special Display Switch Handling
C5
Early Shadow
C6
Cache Programming
C7
Reserved
C8
Special Speed Switching
C9
Special Shadow Handling
1.
Enable Parity checker.
2.
Enable NMI.
3.
Enable cache before boot.
1.
Call POST 81
2.
Initialize any ROMs present from C8000h to DBFFFh. Disable
POST code from segment E0000h.
3.
Initialize any ROMs present from DC000h to E0800h.
NOTE: When FSCAN option is enabled, will initialize from C8000h
to F7FFFh.
Initialize Time value in 40h: BIOS area.
Reserved
Store boot partition of head & cylinder.
For last µs detail before boot.
Put Num Lock ON and Daylight Saving.
1.
Call POST 82.
2.
Set Low stack.
3.
Boot via int 19h.
Reserved
Install the Kontron segment from Flash to DC00:0h.
Install the Kontron segment from DC00:0h to 7000:0h.
Install the Kontron segment from 7000:0h to EC00:0h.
Check & Program CPLD for valid UserCode & IDCode.
Check if Kontron block have a valid CRC. If not, the Emergency
procedure is launched.
Reserved
If interrupt occurs in protected mode.
If unmasked NMI occurs, display:
Press F1 to disable NMI, F2 reboot.
Reserved
Going to early program chipset to default values (called from
POST_8s).
Called early at POST 0Dh to program chipset from CT-TABLE.
OEM Specific - Cache control.
OEM Specific - Test to size on-
board memory test.
OEM Specific - Board Initialization.
OEM Specific - Turn ON
extended memory DRAM select.
OEM Specific - Display/Video switch handling so that display switch
errors never occur.
OEM Specific - Early Shadow
enable for fast boot.
OEM Specific - Routine for
programming which region are
cacheable.
Reserved
OEM Specific - Routine to handle speed switching.
OEM Specific - Normal Shadow routine.
F-6
Description
Boot Block: First POST.
Boot Block: Search for Boot
Block Signature "*BBSS*".
Boot Block: Expand compressed
BIOS
Boot Block: Early Shadow
System BIOS.
Boot Block: Cache Sizing
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