Checkpoint Codes



Checkpoint Codes

During POST, the computer displays the status of the components being tested in the form of Checkpoint (CP) codes in the upper right-hand corner of the screen. The following is a list of the CP codes followed by the routine in process and the boot mode.

CP Code Routine Boot Mode
01 Test CPU Regs Cold
02 Wait for RTC Cold
04 Init Timer 0 Cold+Warm+SAD
05 Test DMA Cold+Warm+SAD
06 Test Page Regs Cold+Warm+SAD
07 Verify Refresh Cold
08 Enable Parity Cold+Warm+SAD
09 Clear first 64 K Cold+Warm
0A POST with Stack Cold+Warm+SAD
0B BIOS Shadow Cold+Warm
0C Phase 2 POST Cold+Warm+SAD
0D Init KBD Data Cold+Warm+SAD
10 Test DMS Locations Cold+Warm+SAD
12 Test PICs Cold+Warm+SAD
14 Init Vector Table Cold+Warm+SAD
15 Init Keyboard Cold+Warm+SAD
16 Std CMOS Checksum_NS Cold+Warm
17 Check Configuration Cold+Warm
20 Test Timer Tick Cold
21 Test Timer 2 Cold+Warm+SAD
23 Test RTC Cold+Warm+SAD+SR
26 vpd_main Cold+Warm
30 Shadow VPD Cold+Warm
31 Save ID Cold+Warm+SAD
32 Check P54C Cold
33 Init Q Boot Cold+Warm
34 Periph Config Cold+Warm+SAD
35 Init Timeout Tables Cold+Warm+SAD
36 Pos_Setup Cold+Warm
37 TCPC Cold+Warm
38 Find Serial Ports Cold+Warm
39 Find Parallel Ports Cold+Warm
3A Enable Timer Init Cold+Warm+SAD
3B Clear Mem Size Error Cold
3C Mfg Boot Fork Cold
3D SignOn Cold+Warm
3E CPU Name Cold+Warm
3F CPU Speed Cold+Warm
40 Enable Video SAD
41 Size Memory Above 64 K Cold+Warm
42 Password Not Entered Cold
43 Test PS2 Mouse Cold+Warm
44 Check for Mouse Buttons Cold
45 Init KBD Flags Cold+Warm+SAD
46 Test KBD Cold+Warm
47 TCPC_Error Cold+Warm
48 Mem Test Prompt Cold+Warm
49 Test Memory Cold+SR
4A Clear EBDA Warm
4B Allocate EBDA Cold+Warm+SR
4C xfer_EBDA_vars Cold+Warm+SR
4D Set Warm Boot Flag Warm
4E Clear Speed Bits Cold+Warm+SAD
4F E_FLOB Cold+Warm+SAD+SR
50 Enable System Interrupts Cold+Warm+SAD+SR
51 C2Sec_Chk Cold
52 Init KBD Cold+Warm+SAD+SR
53 Check for NPX Cold+Warm+SAD+SR
54 reset_hdctl Cold+Warm+SAD+SR
55 FD_INIT Cold+Warm+SAD+SR
56 Set Floppy Config Cold+Warm+SAD+SR
57 Unlock Early Cold
58 Init A20 Cold+Warm+SAD+SR
59 HD Setup Cold+Warm+SAD+SR
5A PnP_Assign Card Select Numbers Cold+Warm+SR
5B Verify CMOS Config Cold+Warm+SR
5C Clear Screen Cold+Warm+SAD
5D PnP_Assign Resources Cold+Warm+SR
5E Init Time of Day Cold+Warm+SAD+SR
5F Check for Locked KBD Cold+Warm+SAD+SR
60 Init Enable NMI Cold+Warm+SAD+SR
61 Set Boot Speed Cold+Warm+SR
62 Set KBD LEDs Cold+Warm+SAD
63 Check for Setup Hot Key Cold+Warm
64 CSET_AFT_MTEST Cold+Warm
65 CSET_AFT_CMCFG Cold+Warm+SR
66 CSET_BFR_OPROM Cold+Warm+SR
67 Phase 2 Exit Big Real Cold+Warm+SAD+SR
90 Disable Video Cold+Warm+SAD
91 Phase 1 Enter Big Real Cold+Warm+SAD
93 Init Refresh Cold+Warm
94 Init Chip_NS Cold+Warm+SAD
95 CSET_Init Cold+Warm+SAD
96 Disable Parity Cold+Warm+SAD
97 Periph Init Cold+Warm+SAD
98 Init RTC Cold+Warm+SAD
99 Init Timer 2 Cold+Warm+SAD
9A Setup GPIO Addr Cold+Warm+SAD
9B Post LED On_NS Cold+Warm+SAD
9C CPU1 LED On_NS Cold+Warm+SAD
B0 Disable Appl 1 Local APIC Cold+Warm
B3 Display SMP Sign On Cold+Warm
B4 AP Cache Init Cold+Warm
D1 Cache Init Cold+Warm+SAD
D3 Cache Configure Cold+Warm+SAD+SR
DA EISA_Hook 6 Cold+Warm+SAD
DB EISA Configure Cold+Warm+SAD
DC EISA Errors Cold+Warm
E0 Reclaim Onboard Option ROM Space Cold+Warm+SAD+SR
EA PCI Reset Cold+Warm
EB PCI Video Cold+Warm
EC PCI Configure Cold+Warm+SR
ED PCI IDE Cold+Warm
EE PCI SCSI Cold+Warm


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