I'm building a computer for my friend. This is it here.

Motherboard
A7N8X nFORCE2-S, AGP8x, A133, DUAL-DDR400, AUDIO5.1, LAN, USB2.0 $164.22

CPU
XP2500+ s462/128K+512K .13 (333FSB; 1.833GHz) 32BIT $154.70

CPU FAN
VOLCANO-7; FOR INTEL s370 & AMD s462, W/TEMP SENSOR $29.88

VIDEO CARD
GForce4 FX5600 128MB DDR DV-i TV-o AGP8x $214.20

RAM
512MB DDR-PC3200: 400MHz SAMSUNG $155.35

CASE
300W SH ATX POWER FOR P4 $41.83

MOUSE/KEYBOARD
LOGITECH INTERNET KB AND OPTICAL MOUSE (RETAIL) $40.63

MONITOR
AS-95F 19" 0.25mm FLAT-CRT 1600x1280 $327.25

DVD/CDRW
TOSHIBA 3 IN 1 DVD 12x IDE, CD-R/RW 32x10, CD-ROM 40x $148.75

HARD DRIVE
WD400JB: 40.0GB 7200rpm, ATA100, 9ms, Caviar, 8M $113.05

FLOPPY DRIVE
1.44 FD $15.54

CD ROM
52x EIDI LG / SONY $29.88

SPEAKERS
621CN 2.1 STEREO SPEAKERS W/ SUBWOOFER 3PCS $209.13

When it boots it does a memory check. But it freezes there. It cant go through checking the ram. So i checked the ram in anohter computer and it booted fine. Next i replaced the video card with a basic PCI P.O.S. and it booted fine. I even replaced the video card with another Geforce4 fx5600 the exact same video card but i had one of my own and it didnt boot with that either. So im speculating that the samsung ram doesnt go with the geforce card. Anyone concur?