Has anybody else had the following problem with a 9800pro - computer hangs completely after a random time period between 2 seconds and 5 minutes when any 3d rendering activity undertaken i.e. game playing, but is stable under normal conditions, i.e. writing this message. It's my second card (HIS 9800 pro platinum iceQ), the first was RMA'd back to ebuyer for exactly the same problem. They said the card was faulty but since this second one does exactly the same, I don't think they are right and I don't want to waste anymore money sending cards back and forwards. So any suggestions/advice much appreciated. My setup is: Mobo: MSI K8T Neo Proc: AMD 64 754 pin 3000+ 450 watt power supply 512mb ddr400 cls 2.5 corsair value ram All drivers and bios uptodate, recent fresh xp installation, previous graphics card (Geforce 2 GTS) worked fine. Have tried with different memory stick to see if it was a problem with mobo ram but no, same problems. Have tried playing with all the mobo bios settings but so far no luck. Wha-da-ya think?