Chapter 2: Installation
2-9
Memory Support
for the motherboards w/5500 Series Processors
installed
RDIMM Population for the Motherboard w/5500 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)
2
1
Reg. DDR3 ECC
800,1066,1333
SR or DR
2
1
Reg. DDR3 ECC
800,1066
QR
2
2
Reg. DDR3 ECC
800,1066
Mixing SR, DR
2
2
Reg. DDR3 ECC
800
Mixing SR, DR, QR
UDIMM Population for the Motherboard w/5500 Processors Installed
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
DIMM Type
(Unb.= Unbuffered)
Speeds (in
MHz)
Ranks per DIMM
(Mixing: any
combination;
SR=Single Rank,
DR=Dual Rank)
2
1
Unb. ECC/NON-ECC DDR3
800,1066,1333
SR or DR
2
2
Unb. ECC/NON-ECC DDR3
800,1066
Mixing SR, DR
Memory Support for the Motherboards w/5600 Processors 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)
2
1
Reg. DDR3 ECC
800,1066,1333
SR or DR
2
1
Reg. DDR3 ECC
800,1066 (Note 1)
QR
2
2
Reg. DDR3 ECC
800,1066, 1333
Mixing SR, DR
2
2
Reg. DDR3 ECC
800 (Note 2)
Mixing SR, DR, QR
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).
1.5V UDIMM Population for the Motherboard w/5600 Processors Installed
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
DIMM Type (Unb.=
Unbufered)
Speeds (in MHz)
Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
2
1
Unb. DDR3 ECC/Non-ECC
800,1066,1333
SR or DR
2
2
Unb. DDR3 ECC/Non-ECC
800,1066, 1333
Mixing SR, DR
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.