User's and BIOS Manual (1.1)

2-12
X8SIA/X8SIA-F User's Manual
DDR3 ECC RDIMM Memory
DIMM Slots
per Channel
DIMMs
Populated
per Channel
DIMM Type POR Speeds Ranks per DIMM
(any combination)
3 1 Registered
DDR3 ECC
1066, 1333 Single Rank, Dual
Rank
3 1 Registered
DDR3 ECC
1066 Quad Rank
3 2 Registered
DDR3 ECC
1066, 1333 Single Rank, Dual
Rank
3 2 Registered
DDR3 ECC
800*** Quad Rank
3 3 Registered
DDR3 ECC
800*** Single Rank, Dual
Rank
3 3 N/A Not Supported Quad Rank
***Note: The BIOS will automatically reduce the clock speed to 800MHz for
RDIMMs rated at 1066MHz and above.