Technical data

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