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X8DT3/X8DTi/X8DT3-F/X8DTi-F/X8DT3-LN4F/X8DTi-LN4F User's Manual
Memory Population for Optimal Performance
-For a motherboard with One CPU (CPU1) installed
Branch 0 Branch 1 Branch 2
3 DIMMs P1 DIMM1A P1 DIMM2A P1 DIMM3A
6 DIMMs P1 DIMM1A P1 DIMM1B P1 DIMM2A P1 DIMM2B P1 DIMM3A P1 DIMM3B
Memory Population for Optimal Performance
-For a motherboard with One CPU (CPU2) installed
Branch 0 Branch 1 Branch 2
3 DIMMs P2 DIMM1A P2 DIMM2A P2 DIMM3A
6 DIMMs P2 DIMM1A P2 DIMM1B P2 DIMM2A P2 DIMM2B P2 DIMM3A P2 DIMM3B
Memory Population for Optimal Performance
-For a motherboard with Two CPUs installed
CPU1 CPU2
Branch 0 Branch 1 Branch 3 Branch 0 Branch 1 Branch 3
6 DIMMs 1A 2A 3A 1A 2A 3A
12
DIMMs
1A 1B 2A 2B 3A 3B 1A 1B 2A 2B 3A 3B
Memory Support
The X8DT3/X8DTi/X8DT3-F/X8DTi-F/X8DT3-LN4F/X8DTi-LN4F supports up to 96
GB Registered ECC DDR3 1333 MHz/1066 MHz/800 MHz in 12 DIMMs. Please
note that Memory Speed support is also depending on the type of CPU used in
the motherboard.
DIMM Module Population Confi guration
For memory to work properly, follow the tables below for memory installation:
DIMM Population Table
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
Note 1: Due to OS limitations, some operating systems may not show
more than 4 GB of memory.
Note 2: Due to memory allocation to system devices, the amount of
memory that remains available for operational use will be reduced when