Supermicro H8SCM-F User Manual download pdf (Page 70)

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H8SCM(-F) Serverboard User’s Manual

Checkpoint Code Description

2Eh Completed post-video ROM test processing. If the EGA/VGA controller is not found, performing

the display memory read/write test next.

2Fh The EGA/VGA controller was not found. The display memory read/write test is about to begin.

30h The display memory read/write test passed. Look for retrace checking next.

31h The display memory read/write test or retrace checking failed. Performing the alternate display

memory read/write test next.

32h The alternate display memory read/write test passed. Looking for alternate display retrace

checking next.

34h Video display checking is over. Setting the display mode next.

37h The display mode is set. Displaying the power on message next.

38h Initializing the bus input, IPL, general devices next, if present. See the last page of this chapter

for additional information.

39h Displaying bus initialization error messages. See the last page of this chapter for additional

information.

3Ah The new cursor position has been read and saved. Displaying the Hit <DEL> message next.

3Bh The Hit <DEL> message is displayed. The protected mode memory test is about to start.

40h Preparing the descriptor tables next.

42h The descriptor tables are prepared. Entering protected mode for the memory test next.

43h Entered protected mode. Enabling interrupts for diagnostics mode next.

44h Interrupts enabled if the diagnostics switch is on. Initializing data to check memory wraparound

at 0:0 next.

45h Data initialized. Checking for memory wraparound at 0:0 and ﬁ nding the total system memory

size next.

46h The memory wraparound test is done. Memory size calculation has been done. Writing patterns

to test memory next.

47h The memory pattern has been written to extended memory. Writing patterns to the base 640

KB memory next.

48h Patterns written in base memory. Determining the amount of memory below 1 MB next.

49h The amount of memory below 1 MB has been found and veriﬁ ed.

4Bh The amount of memory above 1 MB has been found and veriﬁ ed. Checking for a soft reset and

clearing the memory below 1 MB for the soft reset next. If this is a power on situation, going to

checkpoint 4Eh next.

4Ch The memory below 1 MB has been cleared via a soft reset. Clearing the memory above 1 MB

next.

4Dh The memory above 1 MB has been cleared via a soft reset. Saving the memory size next.

Going to checkpoint 52h next.

4Eh The memory test started, but not as the result of a soft reset. Displaying the ﬁ rst 64 KB memory

size next.

4Fh The memory size display has started. The display is updated during the memory test.

Performing the sequential and random memory test next.

50h The memory below 1 MB has been tested and initialized. Adjusting the displayed memory size

for relocation and shadowing next.

51h The memory size display was adjusted for relocation and shadowing.

52h The memory above 1 MB has been tested and initialized. Saving the memory size information

next.

53h The memory size information and the CPU registers are saved. Entering real mode next.

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Supermicro H8SCM-F User Manual Page 70

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