Diagnostic LED Codes,
Continued
Memory LED
Codes
Table B–7 Memory FRU LED Codes (0101 XXXX)
LED Depiction
Code
Description
FRU
0101 0000
50h
Memory byte
mask test has
failed
System module or
memory modules
0101 0001
51h
Memory error
occurred in the
forward pass
System module or
memory modules
0101 0010
52h
Memory error
occurred in the
reverse pass
System module or
memory modules
0101 0011
53h
Memory error
in parity test 1
System module or
memory modules
0101 0100
54h
Memory error
in parity test 2
System module or
memory modules
Continued on next page
B–9