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1.8
System memory
The motherboard has two Double Data Rate (DDR) DIMM sockets and
two Single Data Rate (SDR) DIMM sockets that supports up to 2GB non-
ECC PC2100/1600 DDR and PC133/100 SDRAM DIMMs.
A DDR DIMM has the same physical dimensions as an SDR DIMM, but it
has a 184-pin footprint compared to the 168-pin of the SDR DIMM. Also, a
DDR DIMM is single notched while an SDR DIMM is double notched.
®
A7S266-VM
A7S266-VM 184-Pin DDR
DIMM Sockets
®
A7S266-VM
A7S266-VM 168-Pin DIMM Sockets
1. A DDR or SDR DIMM is keyed with a notch so that it fits in only one
direction. DO NOT force a DIMM into a socket to avoid damaging
the DIMM.
2. DDR and SDRAM memory slots cannot be used simultaneously.
1-8
104 Pins
80 Pins
88 Pins
60 Pins
20 Pins
Chapter 1: Motherboard Information
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