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2-16 Chapter 2: Hardware information
2.4 System memory
2.4.1 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 gure illustrates the location of the FB-DIMM sockets:
®
DSEB-DG Series 240-pin FB-DIMM sockets
DIMM_11
DIMM_10
112 Pins128 Pins
DIMM_21
DIMM_20
DIMM_31
DIMM_30
DIMM_01
DIMM_00