Table 2 - DDR3 ECC Registered (RDIMM) Memory Support
RDIMM 1Gb (x8 DRAM) 2Gb (x8 DRAM)
Single Rank Up to 4GB
(4 x 1GB DIMM Modules)
Up to 8GB
(4 x 2GB DIMM Modules)
Dual Rank Up to 8GB
(4 x 2GB DIMM Modules)
Up to 16GB
(4 x 4GB DIMM Modules)
Quad Rank Up to 16GB
(4 x 4GB DIMM Modules)
Up to 32GB
(4 x 8GB DIMM Modules)
Note: All other memory sizes, types, die, density, that are not listed in these tables
are NOT supported.
Memory Population Guidelines
Please follow the tables below when populating the X8SIL/X8SIL-F.
DDR3 ECC UDIMM Memory
DIMM Slots
per Channel
DIMMs
Populated
per Channel
DIMM Type POR Speeds Ranks per DIMM
(any combination)
2 1 Unbuffered
DDR3 ECC
1066, 1333 Single Rank, Dual
Rank
2 2 Unbuffered
DDR3 ECC
1066, 1333 Single Rank, Dual
Rank
DDR3 ECC RDIMM Memory
DIMM Slots
per Channel
DIMMs
Populated
per Channel
DIMM Type POR Speeds Ranks per DIMM
(any combination)
2 1 Registered
DDR3 ECC
1066, 1333 Single Rank, Dual
Rank
2 1 Registered
DDR3 ECC
1066 Quad Rank
2 2 Registered
DDR3 ECC
1066, 1333 Single Rank, Dual
Rank
2 2 Registered
DDR3 ECC
800* Quad Rank
Slot 1, Channel A
Slot 2, Channel A
Slot 1, Channel B
Slot 2, Channel B
*Note: 1066 RDIMMs running at 800MHz-BIOS will be automatically downgraded to
800MHz speed.