
Chapter 4: System Safety
5-7
Figure 5-4. DIMM Installation
To Install: Insert module
vertically and press
down until it snaps into
place. Pay attention to
the alignment notch at
the bottom.
To Remove: Use your
thumbs to gently
push the release tabs
near both ends of the
module. This should
release it from the slot.
Top View of DDR3 Slot
Release Tab Release Tab
Note: Notch should
align with the receptive
key point on the slot.
Notch Notch
Front View
Memory Population for Optimal Performance
# DIMMS Channel 1 Channel 2
2 DIMMs DIMM1A DIMM2A
4 DIMMs DIMM1A DIMM1B DIMM2A DIMM2B
Note: Memory speed support is dependent on the type of CPU used on the
board.
DIMM Module Population Confi guration
For memory to work properly, follow the tables below for memory installation:
Per Channel DIMM Populations Options
DIMM Type DIMM A DIMM B Max. MHz,
1.5V DIMMs
Max. MHz,
1.35V DIMMs
(6-core Only)
Max. GB/
Channel
Unbuffered
DIMM
(UDIMM)
SR or DR Empty 1333 MHz 1333 MHz 4 GB
SR SR 1333 MHz 1333 MHz 4 GB
DR DR 1066 MHz 1066 MHz 8 GB
Registered
DIMM
(RDIMM)
SR or DR Empty 1333 MHz 1333 MHz 8 GB
SR SR 1333 MHz 1333 MHz 8 GB
DR DR 1066 MHz 1066 MHz 16 GB
QR Empty 1333 MHz 1066 MHz 16 GB
QR QR 800 MHz 667 MHz 32 GB
Note 1: Due to OS limitations, some operating systems may not show more than
4 GB of memory.
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