NEC EXPRESS5800 Configuration Manual page 16

CONFIGURATION GUIDE
Maximum Memory Speed
See the table below for the actual maximum memory speed on your system.
DDR3 memory speed depends on the type of DIMMs and the native memory bus speed of the memory
controller. All memory buses operate at the clock frequency of the DIMM with the lowest frequency.
Processor Type
E5503
E5606
E5620
E5645
X5650
X5675
X5687
X5690
NEC Corporation
–
NEC EXPRESS5800/R120b-2
Populated DIMMs
-
1 GB, 2 GB, 4 GB, 8 GB
16GB
1 GB, 2 GB, 4 GB, 8 GB
16GB
Revision 6.3, February 2012
Memory Power
Setting
-
-
Normal (1.5V)
Low (1.35V)
Normal (1.5V)
Low (1.35V)
Normal (1.5V)
Low (1.35V)
DIMMs per DIMM Speed
Channel
- 800 MHz
- 1066 MHz
1 1066 MHz
2 800 MHz
- 800 MHz
- 1333 MHz
1 1333 MHz
2 1066 MHz
1 1066 MHz
2 800 MHz
- 800 MHz