C-16 SPARCengine Ultra AX
i
OEM Technical Manual • May 1999
e. Make sure the lever(s) on the end(s) of the connector are in the upright
position. Some Motherboards may have DIMM sockets with a lever on one end
only.
C.2.1 DIMM Configuration Considerations
1. Each DIMM Pair of 2 sockets must have identical DIMMs installed. The DIMM
Pairs may have different memory capacities or bank types as long as the DIMMs
within the Pair are identical.
2. DIMMs should be chosen as all 10-bit or all 11-bit column address type.
3. All DIMM sockets (4 Pairs) will support single or dual bank 10-bit column
address type DIMMs: 8MB, 16MB, 32MB, 64MB and 128MB.
4. 11-bit column address DIMMs may only be used in Pair 0 (Slots J0404, J0403) and
Pair 2 (Slots J0304, J0303). 256MB DIMMs must be 11-bit column address, dual
bank.
Caution – Use 60 ns DIMMs only on the Ultra AXi motherboard.
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