English – Intel GA-8I865GVMK-775 User Manual

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GA-8I865GVMK-775 Motherboard

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Dual Channel DDR

GA-8I865GVMK-775 supports the Dual Channel Technology. After operating the Dual Channel Technology,
the bandwidth of Memory Bus will double.

GA-8I865GVMK-775 includes 4 DIMM sockets, and each Channel has two DIMM sockets as following:

Channel A : DDR 1, DDR 2
Channel B : DDR 3, DDR 4

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 memory cannot be used if one or three DDR memory modules are installed.
2. If two DDR memory modules are installed (same storage capacity), one must be added to the

Channel A slot and the other in the Channel B slot in order to use dual channel memory. Dual
channel memory cannot function if both DDR memory modules are installed on the same channel.

3. If four DDR memory modules are installed, please use memory of the same storage capacity in

order to use dual channel memory and for BIOS to detect all the DDR memory modules.

We'll strongly recommend our user to slot two DDR memory modules into the DIMMs with the same color in
order for Dual Channel Technology to work.

The following table is for Dual Channel Technology combination: (DS: Double Side, SS: Single Side)

2 memory modules

4 memory modules

DDR 1

DDR 2

DDR 3

DDR 4

DS/SS