My system conf is as follows :
OS : iATKOS L2 (MAC Lion 10.7.2)
Processor : Intel Core 2 Duo 2.93 GHz
Mother Borad : Intel OEM DG41RQ
Chipset : Intel® G41 Chipset
RAM : 4 GR 800 MHz DDR2 SDRAM
Audio: 6-channel (5.1) audio subsystem using the Realtek* ALC662 audio codec
Video : Intel® Graphics Media Accelerator X4500 integrated graphics subsystem
LAN : Gigabit (10/100/1000 Mbits/sec) LAN Realtek* RTL 8111D

i tried to install Asus EN8400GS and Zotac Geforce 210 but both Graphics card giving "PCI Configuation begin Error". pls suggest what i do ? i tried npci=0x2000 in boot flag but nothing happend

please suggest Graphics Card for my motherboard