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Chapter 3: Installation
3-11
Memory Support for the Motherboard with the 5600 Processor(s)
Installed
1.5V DIMMs•
1.5V RDIMM Population for the Motherboard w/5600 Processors Installed
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
DIMM Type
(Reg.=Registered)
Speeds (in MHz) Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
3 1 Reg. DDR3 ECC 800,1066,1333 SR or DR
3 1 Reg. DDR3 ECC 800,1066 (Note 1) QR
3 2 Reg. DDR3 ECC 800,1066, 1333 Mixing SR, DR
3 2 Reg. DDR3 ECC 800 (Note 2) Mixing SR, DR, QR
3 3 Reg. DDR3 ECC 800 (Note 2) Mixing SR, DR
Note 1: 1333 MHz RDIMMs will run at 1066 MHz (-BIOS automatic downgrading).
Note 2: 1333/1066 MHz RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 3: MIxing of 1.35V and 1.5V DIMMs is not recommended.
1.5V LRDIMM Population for the Motherboard w/5600 Processors
Installed (for X8DTU-6F+-LR and 8XDTU-6TF+-LR Only)
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
DIMM Type
(LR= Load
Reduced)
Speeds (in MHz) Ranks per DIMM (QR=Quad
Rank, OR=Octal Rank)
3 1 LR DDR3 ECC 1066 QR or OR
3 2 LR DDR3 ECC 1066 QR or OR
3 3 LR DDR3 ECC 1066 QR
1.5V UDIMM Population for the Motherboard w/5600 Processors Installed
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
UDIMM (Unb. DIMM/
Unbuffered DIMM)
Speeds (in MHz) Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
3 1 Unb. DDR3 ECC/Non-ECC 800,1066,1333 SR or DR
3 2 Unb. DDR3 ECC/Non-ECC 800,1066, 1333 Mixing SR, DR
3 3 Not Available Not Available Not Available
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.
1.35V DIMMs
1.35V RDIMM Population for the Motherboard w/5600 Processors
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
RDIMM (Reg. DIMM/
Registered DIMM)
Speeds (in MHz) Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
3 1 Reg. DDR3 ECC 800,1066,1333 SR or DR
3 1 Reg. DDR3 ECC 800 (Note 1) QR