SUPER MICRO Computer 1.2b user manual Memory Support for the Motherboard w/the 5600 CPUs Installed

Chapter 2: Installation

RDIMM Population for the Motherboard w/5500 Processors Installed

DIMM	DIMMs	DIMM Type (Reg.=	Speeds (in MHz)
Slots per	Populated	Registered)
Channel	per Channel
3	1	Reg. DDR3 ECC	800,1066,1333
3	1	Reg. DDR3 ECC	800,1066
3	2	Reg. DDR3 ECC	800,1066
3	2	Reg. DDR3 ECC	800	(Note)
3	3	Reg. DDR3 ECC	800	(Note )

Note: 1066 RDIMMs will run at 800 MHz (-BIOS automatic downgrading)

Ranks per DIMM (any combination; SR=Single Rank, DR=Dual Rank, QR=Quad Rank)

SR or DR

QR

Mixing SR, DR

Mixing SR, DR, QR

Mixing SR, DR

UDIMM Population for the Motherboard w/5500 Processors Installed

DIMM Slots per Channel

3

3

3

DIMMs Populated per Channel

1

2

3

DIMM Type (Unb.=	Speeds (in MHz)
Unbuffered)
Unb. DDR3 ECC/Non-ECC	800,1066,1333
Unb. DDR3 ECC/Non-ECC	800,1066
Not available	Not available

Ranks per DIMM (any combination; SR=Single Rank, DR=Dual Rank, QR=Quad Rank)

SR or DR

Mixing SR, DR

Not available

Memory Support for the Motherboard w/the 5600 CPU(s) Installed

•1.5V DIMMs

1.5V RDIMM Population for the Motherboard w/5600 Processors Installed

DIMM Slots per Channel

3

3

3

3

3

DIMMs	DIMM Type
Populated	(Reg.=Registered)
per Channel
1	Reg. DDR3 ECC

1Reg. DDR3 ECC

2Reg. DDR3 ECC

2Reg. DDR3 ECC

3Reg. DDR3 ECC

Speeds (in MHz)

800,1066,1333

800,1066 (Note 1)

800,1066, 1333

800 (Note 2)

800 (Note 2)

Ranks per DIMM (any combination; SR=Single Rank, DR=Dual Rank, QR=Quad Rank)

SR or DR

QR

Mixing SR, DR

Mixing SR, DR, QR

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 X8DAH+-LR and X8DAH+-F-LR Only)

DIMM	DIMMs	DIMM Type	Speeds (in MHz)	Ranks per DIMM (QR=Quad
Slots per	Populated	(LR= Load		Rank, OR=Octal Rank)
Channel	per Channel	Reduced)
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

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