Technical Product Specification

Intel
®
Server Board S5500BC TPS Functional Architecture
Revision 1.8 Intel order number: E42249-009 25
Table 9. Memory Operating Frequency Determination for Intel® processor 5600 series and 1.5V
Memory Modules
DIMM
Type
DIMM
Populated
per
Channel
IMC Frequency of Installed
Processors (1333MHz, 1066MHz,
or 800MHz)
Ranks Per
DIMM
Remark
1333MHz
SR: Single-Rank
1066MHz
DR: Dual-Rank;
800MHz
QR: Quad-Rank
Memory Running Frequency (Y/N)
800MHz
1066MHz
1333MHz
RDIMM or
UDIMM
1
Y
Y
Y
SR or DR
1 DPC (SR/DR) runs at fastest
common frequency of DIMMs
and processor IMCs
(max)
RDIMM
1
Y
Y
QR Only
1 QR RDIMM runs at 1066MHz
maximum
(max)
RDIMM or
UDIMM
2
Y
Y
Y
SR or DR
2 DPC (SR/DR) run at
1333MHz maximum
(max)
RDIMM
2
Y
QR Only
2 DPC QR run at 800MHz
maximum
(max)
Table 10. Memory Operating Frequency Determination for Intel® processor 5600 series and Low
Voltage 1.35V Memory Modules
DIMM Type
DIMM
Populated
per Channel
IMC Frequency of Installed
Processors (1333MHz, 1066MHz, or
800MHz)
Ranks Per
DIMM
Remark
1333MHz
SR: Single-Rank
1066MHz
DR: Dual-Rank;
800MHz
QR: Quad-Rank
Memory Running Frequency (Y/N)
800MHz
1066MHz
1333MHz
RDIMM or
UDIMM
1
Y
Y
Y
SR or DR
1 DPC (SR/DR) runs at fastest
common frequency of DIMMs and
processor IMCs
(max)
RDIMM
1
Y
QR Only
1 QR RDIMM runs at 800MHz
maximum
(max)
RDIMM or
UDIMM
2
Y
Y
SR or DR
2 DPC (SR/DR) run at 1333MHz
maximum
(max)
RDIMM
2
Y
QR Only
2 DPC QR run at 800MHz maximum
(max)