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Memory DIMM Present Detect Bits (PD-Bits)
The following table expands on the Memory Error Notes found on page 126, where
yy
is the PD value in the table below and
xxx are the last three digits of the error code.
Use these values to identify the type of memory that generated the error.
If you replace FRUs or perform an action, and the problem is still not corrected, go to
“MAP 1540: Minimum Configuration” on page 63 unless otherwise indicated in the
tables.
Table 4. Memory DIMM PD bits
PD value
Size
Clock Cycle (nsecs)
Parity/ ECC
28
512 MB
10
ECC
2A
512 MB
8
ECC
38
128 MB
10
ECC
3A
128 MB
8
ECC
48
64 MB
10
ECC
4A
64 MB
8
ECC
58
32 MB
10
ECC
5A
32 MB
8
ECC
68
256 MB
10
ECC
6A
256 MB
8
ECC
Note: Memory DIMMs must be installed in pairs.
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Service Guide
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