MSI N450GTS-M2D1GD5/OC GeForce GTS 450 (Fermi), (1 GB) 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready Vide... Video Card "setup lg hdd" Questions

...hdd- sata 1tb 6gb black display card- msi N450GTS-M2D1GD5 X 2 unit PSU- COOLER MASTER 1000W monitor- LG 20' 4 UNIT my fisrt problem is, did the display card can be match with the motherboard ah? ...

...setup. My PC configuration: CPU: AM2 Athlon64 X2 5600+ Mother: AM2 ECS A780GM-A Black Edition RAM: Kingston 800 (2x 2GB) HDD: Hd 500GB Samsung HD501LJ Operation System: Windows XP 32 DCD driver: LG ...