I tried to move the TV card to an other slot, hence an other IRQ: Still the same.
I tried to disable onboard netword card: Computer locks totally when it reaches runlevel 5.
I tried to stress the network card by downloading af 700 MB file from an other computer at the same LAN: Now hold on tight - While downloading everything was smooth. As soon as it stoped downloading problem was the same.
I'm now sure the network card is causing the problem. But it doesn't seem to be possible to change the IRQ of either the video card or the network card from bios. Then what?
Motherboard: Chaintech 7VJL DeLuxe
Graphicscard: Chaintech GF4/Ti4200/128 MB
Processor: AMD 2100+
Memory: 512 MB
OS: SuSE 8.2 w/ KDE 3.1