2-10
Chapter 2: Basic installation
2.5�
Installing a �IMM
Installing a �IMM
2.5.1
Overview
The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory
Modules (DIMM) sockets.
A DDR2 module has the same physical dimensions as a DDR DIMM but has a
240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched
differently to prevent installation on a DDR DIMM socket.
The figure illustrates the location of the DDR2 DIMM sockets:
M3A78-EM 240-pin DDR2 DIMM Sockets
R
M3A78-EM
DIMM_B1
DIMM_A2
DIMM_B2
DIMM_A1
128 Pins
11
2 Pins
Channel
Sockets
Channel 1
DIMM_A1 and DIMM_A2
Channel 2
DIMM_B1 and DIMM_B2
2.5.2
Memory configurations
You may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered ECC/non-ECC
DDR2 DIMMs into the DIMM sockets.
Recommended memory configurations
Sockets
Mode
DIMM_A1
DIMM_B1
DIMM_A2
DIMM_B2
Single-Channel
–
Populated
–
–
Populated
–
–
–
Dual-channel (1)
Populated
Populated
–
–
Dual-channel (2)
Populated
Populated
Populated
Populated
Содержание V4-M3A3200
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Страница 42: ...2 22 Chapter 2 Basic installation ...
Страница 58: ...3 16 Chapter 3 Starting up ...
Страница 112: ...5 40 Chapter 5 BIOS setup ...