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POST Error Codes
Table 3-1 (Page 1 of 2). POST Error Codes
Error Code Description Action/
Possible Failing FRU
M0CON000 The system hung during POST. Go to “MAP 1540: Minimum
Configuration” on page 2-21.
M0CPU000 The CPU POST failed. 1. CPU Card (Model 240)
2. System Board (See
notes on 3-1.)
M0CPU001 Checkstop occurred. 1. CPU card (Model 240)
2. System board (See notes
on 3-1.)
M0FD0000 The system hung during diskette POST. 1. System board (See notes
on 3-1.)
2. Diskette drive.
M0GA0000 Graphics adapter POST failed. Graphics adapter
M0HD0000 The system hung during boot POST. Go to “MAP 1540: Minimum
Configuration” on page 2-21.
M0KBD000 The system hung during keyboard POST. 1. System board (See notes
on 3-1.)
2. Keyboard
M0KBD001 The system did not respond to a keyboard entry. Type 101 keyboard
M0KBD002 The system did not respond to a keyboard entry. Type 102 keyboard
M0KBD003 The system did not respond to a keyboard entry. Type 106 keyboard
M0MC0001 A machine check occurred. Go to “MAP 1540: Minimum
Configuration” on page 2-21.
M0MEM000 No good memory could be found. 1. Memory
2. System board (See notes
on page 3-1.)
Note: If only one memory
module is installed, (or pair
for a Model 240), replace it.
If there are multiple memory
modules installed, go to
“MAP 1540: Minimum
Configuration” on page 2-21.
M0MEM001 No good memory could be found. 1. Memory
2. System board. (See
notes on page 3-1.)
M0MEM002 The system hung during memory POST. Go to “MAP 1540: Minimum
Configuration” on page 2-21.
M0PS0000 Power failure. Go to “MAP 1520: Power” on
page 2-15.
3-2 7043 43P Series Service Guide