Intel 865G, IB865 user manual ATX Power Installation, Installing the Memory

INSTALLATIONS

ATX Power Installation

The system power is provided to the CPU card with the CN1 and J7 ATX power connectors. Please note that the J7 external ATX power connector should be connected to the backplane for IB865 to function. J7 is a 3-pin power connector. CN1 is a 4-pin 12V power connector. CN1 is to be connected to the ATX power supply.

Installing the Memory

The IB865 CPU card supports two DDR memory sockets for a maximum total memory of 2GB in DDR memory type. You can install unbuffered

&non-ECC DDR DIMMs. It supports DDR266/333 when installed with CPUs that have clock speeds of 533MHz. It supports DDR266/320/400 when installed with CPUs that have clock speeds of 800MHz. The board provides dual channel functionality for its DIMM slots. DIMM1 is for one channel and DIMM2 is for the other channel. Enabling dual channels can increase data access rates.

Basically, the system memory interface has the following features: Supports two 64-bit wide DDR data channels

Available bandwidth up to 3.2GB/s (DDR400) for single-channel mode and 6.4GB/s (DDR400) in dual-channel mode.

Supports non ECC DIMMs.

Supports 128Mb, 256Mb, 512Mb DDR technologies. Supports only x8, x16, DDR devices with four banks Registered DIMMs not supported

Supports opportunistic refresh

Up to 16 simultaneously open pages (four per row, four rows maximum)

IB865 User’s Manual 7