Wednesday, July 15, 2009

Installation of Memory

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Caution:

Before installing the memory modules, please comply with the following conditions:

  1. Please make sure that the memory used is supported by the motherboard. It is recommended that memory of similar capacity, specifications and brand be used.
  2. Before installing or removing memory modules, please make sure that the computer power is switched off to prevent hardware damage.
  3. Memory modules have foolproof insertion design. A memory module can be installed in only one direction. If you are unable to insert the module, please switch the direction.

The motherboard supports DDRII memory modules, whereby BIOS will automatically detect memory capacity and specifications. Memory modules are designed so that they can be inserted only in one direction. The memory capacity used can differ with each slot.

Step 1, The DIMM socket has a notch, so the DIMM memory module can only fit in one direction. Insert the DIMM memory module vertical into the DIMM socket. Then push it down.

Step 2, Close the plastic clip at both edges of the DIMM sockets to lock the DIMM module. Reverse the installation steps when you wish to remove the DIMM module. Dual channel Memory Configuration

For example: GA-945P-S3 supports the Dual Channel Technology. After operating the Dual Channel Technology, the bandwidth of the memory bus will double. The GA-945P-S3 includes 4 DIMM sockets, and each Channel has two DIMM sockets as following:

  1. Channel 0 : DDRII1, DDRII2

  2. Channel 1 : DDRII3, DDRII4

If you want to operate the Dual Channel Technology, please note the following explanations due to the limitation of intel chipset specifications.

  1. Dual Channel mode will not be enable if only one DDRII memory module is installTo enable Dual Channel mode with two or four memory modules (It is recommended that memory of the same capacity, brand, size, chips, and speed be used), you must install them into DIMM sockets of the same color.

The following is a Dual Channel Memory configuration table:

Description

DDRII1

DDRII2

DDRII3

DDRII4

2 memory modules

DS/SS

x

DS/SS

x

x

DS/SS

x

DS/SS

4 memory modules

DS/SS

DS/SS

DS/SS

DS/SS

(DS: Double Side, SS: Single Side, X: Empty)


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