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X8DAH+/X8DAH+-F/X8DAH+(-F)-LR User's Manual
Memory Support
•RDIMM
•240-pin Reg. DDR3 ECC 1333/1066/800 MHz memory with support of up
to 288 GB in 18 slots
Note 1. 240-pin Dual Rank (DR) 16 GB Reg. ECC DDR3 1333/1066/800
MHz memory will support up to 288 GB. Memory speed will be downgraded
to 800 MHz. (Refer to the notes in the following memory conguration
tables.)
Note 2. 240-pin Quad Rank (QR) 16 GB Reg. ECC DDR3 1066/800 MHz
memory will support up to 192 GB (with 6 DIMMs max. per CPU). Memory
speed will be downgraded to 800 MHz. (Refer to the notes in the following
memory conguration tables.)
Note 3: Memory Speed support depends on the type(s) of CPU(s) used.
•LRDIMM (Load Reduced DIMM, for X8DAH+-LR and X8DAH+-F-LR Only)
•DDR3 ECC 1066 MHz memory with support of up 288 GB in 18 slots
Warning: For your system memory to work properly, be sure to use the
correct BIOS ROM for your system.
For the X8DAH+, use the X8DAH+ BIOS. For the X8DAH+-LR. use the
X8DAH+-LR BIOS.
For the X8DAH+-F, use the X8DAH+-F BIOS. For the X8DAH+-F-LR, use
the X8DAH+-F-LR BIOS.
To ash the BIOS, refer to http://www.supermicro.com/products/mother-
board/QPI/5500/X8DAH_.cfm?IPMI=Y..
•UDIMM
•Unbuffered ECC/Non-ECC DDR3 1333/1066/800 MHz memory of up to 48
GB memory