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2-4
Memory Installation
Note: Check the Supermicro web site for recommended memory modules.
Exercise extreme care when installing or removing DIMM
modules to prevent any possible damage. Also note that the
memory is interleaved to improve performance (See step 1).
DIMM Installation
1. Insert the desired number of DIMMs into the memory slots, starting with
P1-DIMM 1A. For best memory performance, please install memory modules
of the same type and same speed on the memory slots as indicated on the
tables below. (See the Memory Installation Table Below.)
2. Insert each DIMM module vertically into its slot. Pay attention to the notch
along the bottom of the module to prevent inserting the DIMM module incor-
rectly.
3. Gently press down on the DIMM module until it snaps into place in the slot.
Repeat for all modules.
Memory Support
The X8DA6/X8DAE supports up to 192 GB Registered ECC or up to 48 of Unbuf-
fered ECC/Non ECC DDR3 1333 MHz/1066 MHz/800 MHz in 12 DIMMs. Memory
speed support is dependent on the type of CPU used on the board.
DIMM Module Population Configuration
For memory to work properly, follow the tables below for memory installation:
DIMM
DIMMs
Slots
Populated
per
per Channel
Channel
2
1
2
1
2
2
2
2
Warning
DIMM Population Table
DIMM Type (Reg.=
Speeds (in MHz)
Registered)
Reg. DDR3 ECC
800,1066,1333
Reg. DDR3 ECC
800,1066
Reg. DDR3 ECC
800,1066
Reg. DDR3 ECC
800
2-7
Chapter 2: Installation
Ranks per DIMM (any
combination; SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
SR or DR
QR
Both SR, Both DR, or Mixed
QR & SR, QR & DR, or QR only
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