Dell PowerEdge R910 Information Update page 20

Memory Initialization
Warning: Memory size
and/or performance may be
reduced. DIMM
unsupported: Memory Riser
<X DIMM 1 > Memory
Riser X Lockstep Pair
<DIMM 1 & DIMM 2>
disabled. Unsupported
Buffer/Processor and
Memory Configuration.
Please replace the
Riser/Processor/DIMM or
remove the lockstep pair.
/
DIMM
<X DIMM 1 >
X
<DIMM 1 DIMM 2>
/
20
PowerEdge R910
RDIMM
/
/DIMM
4 Gb DRAM
Intel Xeon 7500
II