SUPER MICRO Computer 1.0a user manual Memory Support for 5500 Processors

Chapter 5: Advanced Serverboard Setup

Memory Population for Optimal Performance With One CPU (CPU1) Installed

P1-DIMMs	To Populate P1-DIMMs
	Branch 0			Branch 1			Branch 2
3 DIMMs	P1-1A			P1-2A			P1-3A
6 DIMMs	P1-1A	P1-1B		P1-2A	P1-2B		P1-3A	P1-3B
9 DIMMs	P1-1A	P1-1B	P1-1C	P1-2A	P1-2B	P1-2C	P1-3A	P1-3B	P1-3C
(RDIMMs only) (Note)

Note: Max. of 6 UDIMM modules are supported by a CPU.

Memory Population for Optimal Performance With One CPU (CPU2) Installed

P2-DIMMs	To Populate P2-DIMMs
	Branch 0			Branch 1
3 DIMMs	P2-1A			P2-2A
6 DIMMs	P2-1A	P2-1B		P2-2A	P2-2B
9 DIMMs	P2-1A	P2-1B	P2-1C	P2-2A	P2-2B
(RDIMMs only (Note)

Note: Max. of 6 UDIMM modules are supported by a CPU.

	Branch 2
	P2-3A
	P2-3A	P2-3B
P2-2C	P2-3A	P2-3B	P2-3C

Memory Population for Optimal Performance With Two CPUs Installed

	CPU 1 (To Populate P1-DIMMs)			CPU 2 (To Populate P2-DIMMs)
	Branch 0	Branch 1	Branch 2	Branch 0	Branch 1	Branch 2
6 DIMMs	P1-1A	P1-2A	P1-3A	P2-1A	P2-2A	P2-3A
12 DIMMs	P1-1A/1B	P1-2A/2B	P1-3A/3B	P2-1A/1B	P2-2A/2B	P2-3A/3B
18 DIMMs	P1-	P1-	P1-	P2-	P2-	P2-
(For RDIMMs only)*	1A/1B/1C	2A/2B/2C	3A/3B/3C	1A/1B/1C	2A/2B/2C	3A/3B/3C

*Max. of 6 UDIMM modules are supported by a CPU.

Memory Support for 5500 Processor(s)

RDIMM Population w/5500 Processors Installed

DIMM	DIMMs	DIMM Type (Reg.=	Speeds (in MHz)	Ranks per DIMM
Slots per	Populated	Registered)		(any combination;
Channel	per Channel			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	QR
3	2	Reg. DDR3 ECC	800,1066	Mixing SR, DR
3	2	Reg. DDR3 ECC	800 (Note)	Mixing SR, DR, QR
3	3	Reg. DDR3 ECC	800 (Note )	Mixing SR, DR

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

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