4-22 Sun Netra T5220 Server Service Manual • January 2012
FIGURE 4-14 FB-DIMM Upgrade Path
■ A replacement FB-DIMM must have the same part number as the other FB-DIMM
in its pair. For example, a replacement FB-DIMM in J1201 must have the same Sun
part number as the FB-DIMM in J1401, in order to ensure an identical pair.
■ If you are unable to obtain a matching FB-DIMM, you must replace both
FB-DIMMs in the pair.
TABLE 4-1 FB-DIMM Configuration
Branch Name Channel Name FRU Name
Motherboard FB-DIMM
Connector
FB-DIMM
Installation
Order
*
FB-DIMM
Pair
†
Branch 0 Channel 0 /SYS/MB/CMP0/BR0/CH0/D0 J1001 1 A
/SYS/MB/CMP0/BR0/CH0/D1 J1101 3 B
Channel 1 /SYS/MB/CMP0/BR0/CH1/D0 J1201 2 A
/SYS/MB/CMP0/BR0/CH1/D1 J1301 3 B
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