Dell Inspiron 530 Vostro 200 Series G679R Intel Socket LGA775 Desktop Motherboard. 
 
Dell Part Number: G679R 0G679R CN-0G679R
Dell Compatible Part Numbers: RY007 FM586 CU409 RN474 K216C GN723 G33M02
 
Specifications:

Socket
LGA775
Processor
Support Intel Core 2 Duo / Quad Processors
Known to work: E2180 E4400 E6550 E6600 E2140 E2180 E6320 E6700 E4300 E6420 E4500 E6750 E2220 E8300 E4700 E2200 E8200 E8400 E8500 E4600 E6850 Celeron D420 D430 D440

Chipset
Intel® G33 Express   
Memory
Up to 4GB Dual-Channel DDR2 SDRAM 

Audio
Integrated 7.1 Channel Audio

Video
Integrated Intel Graphics Media Accelerator 3100 

Peripheral Interfaces
 
4 x USB Ports
6 x Audio Ports
RJ-45 (LAN)
VGA Port

Compatible Models:  Dell Inspiron 530 Vostro 200 400 Desktop Series