Asus V2-P5945G V2-P5G945 User's Manual for English Edtion - Page 26

Installing a DIMM

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2.5 Installing a DIMM The system motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Module (DIMM) sockets. The following figure illustrates the location of the sockets: DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 112 Pins R P5L-VM 1394 128 Pins 240-pin DDR2 DIMM Sockets Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 2.5.1 Memory configurations You may install up to 4 GB system memory using 256 MB, 512 MB, 1 GB, and 2 GB unbuffered non-ECC DDR2 DIMMs. • For dual-channel configuration, the total size of memory module(s) installed per channel must be the same (DIMM_A1 + DIMM_A2 = DIMM_B1 + DIMM_B2). • Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. Refer to the DDR2 Qualified Vendors List for details. • Some odd version DDR2-667 DIMMs may not match Intel On-DieTemination (0DT) requirement and may downgrade to run at DDR2-533. If this happen, contact your retailer for the ODT value. • This motherboard does not support memory modules made up of 128 Mb chips. 2- Chapter 2: Basic installation

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2-8
Chapter 2: Basic installation
2.5
Installing a DIMM
The system motherboard comes with two Double Data Rate 2 (DDR2) Dual
Inline Memory Module (DIMM) sockets.
The following figure illustrates the location of the sockets:
2.5.1
Memory configurations
You may install up to 4 GB system memory using 256 MB, 512 MB, 1 GB,
and 2 GB unbuffered non-ECC DDR2 DIMMs.
P5L-VM 1394
240-pin DDR2 DIMM Sockets
128 Pins
112 Pins
DIMM_A2
DIMM_B1
DIMM_B2
DIMM_A1
Channel
Sockets
Channel A
DIMM_A1 and DIMM_A2
Channel B
DIMM_B1 and DIMM_B2
•
For dual-channel configuration, the total size of memory module(s)
installed per channel must be the same (DIMM_A1 + DIMM_A2 =
DIMM_B1 + DIMM_B2).
•
Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules
from the same vendor. Refer to the DDR2 Qualified Vendors List for
details.
•
Some odd version DDR2-667 DIMMs may not match Intel On-Die-
Temination (0DT) requirement and may downgrade to run at DDR2-533. If
this happen, contact your retailer for the ODT value.
•
This motherboard does not support memory modules made up of
128 Mb chips.