Memory Expansion
The D945GPMLKR provides 4 DIMM sockets using Dual Channel 240-pin DDR2 with a total capacity of up to 4GB. You can install DDR2 533/667MHz Memory.
so i dont think i can do that without replaing the motherboard.
Heres all the specs though:
Socket
This motherboard features a Socket 775 design. The Zero Insertion Force (ZIF) style socket makes it easy to install and upgrade your processor.
Chipset
The D945GPMLKR motherboard is based on the Intel 945G Northbridge chipset and the Intel ICH7DH Southbridge chipset. It supports LGA 775 Intel Pentium D, Pentium 4 and Celeron D Processors, with 533/800MHz Front Side Bus support.
Memory Expansion
The D945GPMLKR provides 4 DIMM sockets using Dual Channel 240-pin DDR2 with a total capacity of up to 4GB. You can install DDR2 533/667MHz Memory.
PCI Express Support
The D945GPMLKR fully supports PCI Express, the latest I/O interconnect technology that speeds up the PCI bus. PCI Express features point-to-point serial interconnections between devices and allows higher clockspeeds by carrying data in packets. This high-speed interface is software compatible with existing PCI specifications.
IDE
The D945GPMLKR includes built in IDE facilities that support Ultra DMA 33 and ATA 66/100.
Audio
The D945GPMLKR comes with a SigmaTel STAC9220 audio codec which supports high quality 8-channel audio.
Serial ATA RAID Support
The D945GPMLKR supports the Serial ATA technology through the Serial ATA interfaces. Doubles bus bandwidth which provides blazingly high disk performance, up to 3.0Gb/s, with RAID 0,1,0+1,5 solutions