INSTALLATIONS
6 MB900-R User’s Manual
ATX Power Installation
The system power is provided to the motherboard with the ATX1 and
ATX_12V power connectors. ATX1 is a 24 -pin power connector and
ATX_12V is a 8-pin 1 2V power connector.
The 24-pin power connector can to be connected to a standard 20 -pin
ATX power connector in a standard ATX p ower supply (Min. 400watt).
Note: The power supply 5VSB voltage must be at least 2A .
Installing the Memory
The MB900 -R motherboard supports two DDR2 memory so ckets for a
maximum total memory of 2GB in DDR memory type. It supports DDR2
533/667.
Basically, the system memory interface has the following features:
Supports two 64-bit wide DDR data channels
Available bandwidth up to 5.3GB/s (DDR2 667) for single -channel
mode and 10.7GB/s (DDR2 667) in dual -channel mode.
Supports 256Mb, 512Mb, 1Gb DDR2 technologies.
Supports only x8, x16, DDR2 devices with four banks
Supports only unbuffered DIMM s
Supports opportunistic refresh
Up to 32 simultaneously o pen pages (four per row, four rows
maximum)