Dell RD203 Dimension E510 5150 5100 LGA775 Motherboard. Dell meets the current and future demands of high performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications as well as for standard home use. 

Manufacturer: Dell
Part Number: RD203 0RD203 CN-0RD203
Dell Compatible Part Numbers: WG261 0WG261 J8885 0J8885 KF623 0KF623

Specifications:

Socket:
LGA775 Supporting Pentium 4 5XX/6XX Processors 2.8-3.8 GHz
FSB:
800/1066Mhz System Bus
Expansion Slots:
PCI Express x16 x 1 
PCI Express x1 x 1 
PCI x 2
Chipset:
Intel 945G
Other Features:
Hyper-Threading Technology Support
Connectors:
5 USB 2.0 Ports
10/100 Network LAN
Peripheral Interface:
2 Serial ATA (SATA) Interface
Other:
One IDE Channel Supporting ATA-66/100/133 and One Floppy Port
Video:
Onboard Intel 950 Graphics Accelerator + 1x16 PCI Express Slot
Audio:
5.1 Surround Sound Audio Ports
Supported Memory:
DDR2 400/533Mhz
Maximum Memory:
4 Dual Channel DIMM Support for up to 4 GB of memory 

Compatible Models: 

Dell Dimension E510 5150 5100 Desktop Series