Checkpoint Codes



Checkpoint Codes

The following checkpoint codes may be displayed during POST. The routine listed next to the checkpoint code is started after the checkpoint code is displayed.

NOTE: Checkpoint codes occuring before the video is initialzed will not be displayed.

Checkpoint Code Routine Name
02h ChipSetResetInit
05h Phase1EnterBigReal
06h CacheInit
08h CacheInitWarm
0ah StdCMOSChecksum_NS
0bh MidCMOSChecksum_NS
0ch ExtCMOSChecksum_NS
0dh InitChip_NS
0eh DetermineDRAMSize_NS
0eh DetermineMemoryType_NS
07h InitRefresh
08h WaitForRTC
10h Check4Parity_NS
10h Check4ParityWarmboot_NS
10h pci_burst
11h DisableParity
12h PeriphInit
13h TestCPURegs
14h InitRTC
15h ChecksumROMinRAM
16h InitTimer0
17h InitTimer2
18h TestDMA
19h TestPageRegs
1ah VerifyRefresh
1bh EnableParity
1dh TestFirst640k
1fh POSTwithStack
20h CopyROMtoRAM
21h BIOSShadow
23h Phase2POST
24h ShadowVPD
25h InitKBDData
26h SaveID
26h CheckP54C
27h InitQBoot
28h PeriphConfig
2ah InitTimeoutTables
2bh Pos_Setup
2ch TCPC
2dh FindSerialPorts
2eh FindParallelPorts
2fh TestDMALocations
30h TestPICs
31h InitVectorTable
32h EnableTimerInt
33h InitKeyboard
34h ClearMemSizeError
35h CheckConfiguration
36h CSET_BFR_VIDROM
36h SetUSBClockinPIIX3
37h PCIReset
38h PCIVideo
39h MfgBootFork
3bh SignOn
3ch TestTimerTick
40h CSET_BFR_SIZMEM
41h SizeMemoryAbove640k
42h CSET_AFT_SIZEMEM
43h TestTimer2
44h PasswordNotEntered
45h TestPS2Mouse
46h CheckForMouseButtons
47h InitKBDFlags
48h TestKBD
49h TCPC_Errors
4bh MemTestPrompt
4ch TestMemory
4eh CSET_AFT_MTEST
4fh AllocateEBDA
50h xfer_ebda_vars
51h SetWarmBootFlag
52h ClearSpeedBits
53h E_FLOB
54h EnableSystemInterrupts
56h InitKBD
57h TestRTC
58h CheckForNPX
59h reset_hdctl
5ah cold_FD_Init
5ah FD_Init
5bh SetFloppyConfig
5ch InitA20
5dh CacheConfig
5eh HDSETUP
5fh GiveUpIRQ15
60h PnP_AssignCardSelNumbers
62h VerifyCMOSConfig
63h ClearScreen
64h DriveInit
65h IBM_DDC
66h CSET_BFR_OPROM
67h PnP_AssignResources
68h CSET_AFT_OPROM
69h PCIConfigure
6ah MFGHook_65
6bh InitTimeOfDay
6ch CheckForLockedKBD
6dh InitEnableNMI
6eh SetBootSpeed
6fh SetKBDLEDs
70h CheckForSetupHotKey
71h InitFlushKBD
72h MoveErrorLogToEBDA
73h InitDisableMouse
74h SysReset
75h Phas2ExitBigReal
76h BOOT_STRAP_1
79h EnablePlanarVideoIRQ
88h CoreInit


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