Oracle Sun Server X4-4 Service Manual page 145

2. Next, populate riser slots D1, D4, D7 and D10 (black/white slots). This provides a two
DIMM per channel configuration.
3. And finally, populate riser slots D2, D5, D8 and D11 (white/white slots). This provides
a three DIMM per channel configuration.
The memory slots and ejector levers are color coded using a black and white color scheme
to aid in installation. Slots can have a black slot with black levers (black/black slots), black
slot with white levers (black/white slots), or white slot with white levers (white/white slots)
as shown in the following illustration:
Call Out
1
2
Memory Riser layout:
The following illustration shows the DIMM slot and channel designations on the memory riser
card:
Description
Slots
Levers
Install a Memory Riser Card
Servicing CRU Components 145