This topic lists some of the checkpoint codes displayed by the light path diagnostic panel.
Affected configurations
IBM System x3850 M2 (Type 7141, 7144)
Checkpoint (cp) code table:
Time (mm:ss) Checkpoint(s) Major System Components Successfully Initialized Video Display Comment
- 0:0 Standby Blank .
00:00 Push power button to turn on system System power up sequence starts with code format 0:x or 1:x
(digits separated by dots)
00:02 0:1 .. 0:8 Turn on 12V, Turn on 5V, 3.3V volt regs Blank .
00:04 1:A..1:b..1:d Turn on chipset, processors Blank DVD drive LED on
00:15 1:E Reset chipset Blank 1A to 1E may repeat; 5 - 15 seconds
- System processors begin executing Power On Self Test (POST) with checkpoint format yy (no dots)
00:00 72 BMC initialize Blank .
00:05 60 Memory controller initialized, memory enabled Blank .
00:06 0C..0d..0E..10 Checksumming BIOS flash ROM, copy flash ROM to RAM, execute from RAM Blank .
00:09 d4 Initialize early video RN50... .
00:15 07 Check memory Checking system memory for errors, please wait ... .
00:16 61 Initialize system memory Initializing system memory to good ECC
may take up to 3 sec for 2 GB
may take up to 2 min for 512 GB
00:19 0d..0E..10 Copy flash ROM to RAM again . .
00:21 d9..dA..dC Internal PCI devices Initializing PCI devices, please wait ... .
00:52 73 RSA II initialization RN50 200m/200e DDR1 BIOS .
00:56 82 Report POST errors, including previous memory error Clear screen .
00:58 C3 Sign on Logo .
01:01 b8 Multi-processor initialize (a) Logo: n GB memory: Installed .
01:07 b0 Multi-processor initialize (b) Logo: n Processor Packages Installed .
01:09 bd SMI initialize . .
01:11 Ad..bd SMI routines to initialize USB Logo (C7 in video) .
01:20 3C Prompt Logo: Press F1 for Setup ... Prompt to press F1, F2, or F12
01:25 35..57..38 IDE initialization Clear screen with cursor .
01:30 1E PCIe adapters' ROM BIOS Adapter ROM BIOS messages Time here depends on number and type of
installed PCIe adapters
02:08 44..49 SMBIOS initialize Adapter ROM msgs or clear screen .
02:11 4C ACPI initialize Adapter ROM msgs or clear screen .
02:15 71 *beep* End POST . Operating System starts to load here
00:00 Push power button to turn off system. System power down sequence starts with code format 2:x
(digits separated by dots)
00:05 2:0..2:7 Turn off processors, chipset, 3.3V and 5V volt regs, 12V Last video display when button
was pressed. .
00:07 0:0 Standby Blank DC power off, fans spin down