SUPER MICRO Computer SUPER X8STE - Manual (Page 32)

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X8ST3-F/X8STE User's Manual
Memory Support
The X8ST3-F/X8STE supports up to 24 GB Unbuffered ECC or Non ECC DDR3
1333/1066/800 in 6 DIMM slots.
DIMM Module Population Configuration
For memory to work properly, follow the table below for memory installation:
Memory Population (UDIMM Only Routing)
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
DIMM Type POR Speeds
(in MHz)
Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank)
2 1 Unbuffered DDR3
(with or without ECC)
800,1066,1333 SR, DR
2 2 Unbuffered DDR3
(with or without ECC)
800,1066, SR, DR
Population Rules: Any combination of x8 and x16 UDIMMs, with 1Gb or 2Gb DRAM density.
Memory Population (UDIMM 3 DIMMs per Channel Routing)
DIMM
Slots per
Channel
DIMMs
Populated
per Channel
DIMM Type POR Speeds
(in MHz)
Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank)
3 1 Unbuffered DDR3
(with or without ECC)
800,1066,1333 SR, DR
3 2 Unbuffered DDR3
(with or without ECC)
800,1066, SR, DR
Population Rules: Any combination of x8 UDIMMs, with 1Gb or 2Gb DRAM density.
Maximum Memory Possible
Single Rank UDIMMs - 12GB (6x 2GB DIMMs), Dual Rank UDIMMs - 24GB (6x
4GB DIMMs)
Note 1: Both Unbuffered ECC and Non-ECC DIMM modules are supported by the
motherboard. Using ECC or Non-ECC memory on your motherboard depends on
the CPU installed.
Note 2: Due to OS limitations, some operating systems may not show more than
4 GB of memory.
Note 3: Due to memory allocation to system devices, the amount of memory that
remains available for operational use will be reduced when 4 GB of RAM is used.
The reduction in memory availability is disproportional. Refer to the table on the
next page. For Microsoft Windows users: Microsoft implemented a design change
in Windows XP with Service Pack 2 (SP2) and Windows Vista. This change is spe-
cific to the Physical Address Extension (PAE) mode behavior which improves driver
compatibility. For more information, please read the following article at Microsoft’s
Knowledge Base website at: http://support.microsoft.com/kb/888137.