User`s manual

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X8DAH+/X8DAH+-F User's Manual
Memory Support
The X8DAH+/X8DAH+-F supports up to 192 GB Registered ECC or up to 48GB
Unbuffered ECC/Non-ECC DDR3 1333 MHz/1066 MHz/800 MHz in 18 DIMMs.
Note: Memory Speed support depends on the type(s) of CPU(s) used.
DIMM Module Population Confi guration
For memory to work properly, follow the tables below for memory installation:
Memory Population for Optimal Performance
-For a Motherboard with One CPU (CPU1) Installed
P1-DIMMs To Populate P1-DIMMs
Branch 0 Branch 1 Branch 2
3 DIMMs P1-1A P1-1B P1-1C
6 DIMMs P1-1A P1-2A P1-1B P1-2B P1-1C P1-2C
9 DIMMs
(RDIMMs only) (Note)
P1-1A P1-2A P1-3A P1-1B P1-2B P1-3B P1-1C P1-2C P1-3C
Note: Max. of 6 UDIMM modules are supported by a CPU.
Memory Population for Optimal Performance
-For a Motherboard with One CPU (CPU2) Installed
P2-DIMMs To Populate P2-DIMMs
Branch 0 Branch 1 Branch 2
3 DIMMs P2-1A P2-1B P2-1C
6 DIMMs P2-1A P2-2A P2-1B P2-2B P2-1C P2-2C
9 DIMMs
(RDIMMs only (Note)
P2-1A P2-2A P2-3A P2-1B P2-2B P2-3B P2-1C P2-2C P2-3C
Note: Max. of 6 UDIMM modules are supported by a CPU.
Memory Population for Optimal Performance
-For a Motherboard with Two CPUs Installed
CPU 1 (To Populate P1-DIMMs) CPU 2 (To Populate P2-DIMMs)
Branch 0 Branch 1 Branch 2 Branch 0 Branch 1 Branch 2
6 DIMMs P1-1A P1-1B P1-1C P2-1A P2-1B P2-1C
12 DIMMs P1-1A/2A P1-1B/2B P1-1C/2C P2-1A/2A P2-1B/2B P2-1C/2C
18 DIMMs
(For RDIMMs only) (Note)
P1-
1A/2A/3A
P1-
1B/2B/3B
P1-
1C/2C/3C
P2-
1A/2A/3A
P2-
1B/2B/3B
P2-
1C/2C/3C
Note: Max. of 6 UDIMM modules are supported by a CPU.