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2.3
System memory
2.3.1
Overview
The motherboard features eight fully-buffered DIMM (FB-DIMM) sockets to support
240-pin FB-DIMM modules. You can purchase extra FB-DIMM modules based on
your needs. An FB-DIMM module has a different pin-out from DDR2 DIMMs so
you cannot install DDR2 DIMMs on an FB-DIMM socket. Note that an FB-DIMM
socket has an Advanced Memory Buffer (AMB) chip that allows memory-to-CPU
connection at gigabit speed.
The figure illustrates the location of the FB-DIMM sockets:
DSEB-DG/SAS/RS160-S5 240-pin FB-DIMM sockets
Rank population
2-10
®
MCH
Channel
128 Pins
DIMM_31
DIMM_30
DIMM_21
DIMM_20
DIMM_11
DIMM_10
DIMM_01
DIMM_00
Ch:0
Ch:1
Ch:2
112 Pins
Ch:3
Chapter 2: Hardware setup
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