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UDIMM Population for the Motherboard with 5500 Processors Installed
DIMM
DIMMs
Slots per
Populated
Channel
per Channel
2
1
2
2
Note: 1333 UDIMMs will run at 800 MHz (-BIOS automatic downgrading)
Memory Support for the Motherboard w/5600 Processors Installed
•
1.5V DIMMs
1.5V RDIMM Population for the Motherboard w/5600 Processors Installed
DIMM
DIMMs
Slots per
Populated
Channel
per Channel
2
1
2
1
2
2
2
2
Note 1: 1333 RDIMMs MHz will run at 1066 MHz (-BIOS automatic downgrading)
Note 2: 1333/1066 RDIMMs MHz will run at 800 MHz (-BIOS automatic downgrading)
Note 3: MIxing of 1.35V and 1.5V DIMMs is not recommended.
1.5V UDIMM Population for the Motherboard w/5600 Processors Installed
DIMM
DIMMs
Slots per
Populated
Channel
per Channel
2
1
2
2
Note 1: 1333 MHz for two DIMMs per channel is supported when Unbuf./ECC DIMMs are used.
Note 2: MIxing of 1.35V and 1.5V DIMMs is not recommended.
DIMM Type (Unb.=
Unbuffered)
Unb. DDR3 ECC/Non-ECC
Unb. DDR3 ECC/Non-ECC
DIMM Type (Reg.=
Registered)
Reg. DDR3 ECC
Reg. DDR3 ECC
Reg. DDR3 ECC
Reg. DDR3 ECC
DIMM Type (Unb.=
Unbuffered)
Unb. DDR3 ECC/Non-ECC
Unb. DDR3 ECC/Non-ECC
2-9
Chapter 2: Installation
Speeds (in MHz)
800,1066,1333
800,1066 (Note)
Speeds (in MHz)
Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
800,1066,1333
SR or DR
800 , 1066 (Note 1)
QR
800,1066, 1333
Mixing SR, DR
800 (Note 2)
Mixing SR, DR, QR
Speeds (in MHz)
800,1066,1333
800,1066, 1333
Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
SR or DR
Mixing SR, DR
Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
SR or DR
Mixing SR, DR
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