Gigabyte 7VT880-RZ User Manual page 12

Dual Channel DDR
The 7VT880-RZ series supports the Dual Channel Technology. After operating the Dual Channel
Technology, the bandwidth of Memory Bus will double.
7VT880-RZ series includes 3 DIMM sockets as following:
Channel A : DDR 1, DDR 2
Channel B : DDR 3
If you want to operate the Dual Channel Technology, please note the following explanations due to the
limitation of the chipset.
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. You
can simply install the two memory modules into slots of the same color. Dual channel memory
cannot function if both DDR memory modules are installed on the same channel.
The following table is for Dual Channel Technology combination: (DS: Double Side, SS: Single Side)
2 memory modules
7VT880-RZ Series Motherboard
DDR 1 DDR 2
DS/SS X
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DDR 3
DS/SS