Manual

1-8 Chapter 1: Motherboard Information
A7S266-VM
®
A7S266-VM 168-Pin DIMM Sockets
20 Pins
60 Pins
88 Pins
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
80 Pins
104 Pins
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.