HELP! I Cannot see tv when i put a pci card when i have my ati aiw 32 DDR

[darkapeiron 0]

I have an video card AGP Ati's all in wonder 32MB DDR, and when i put it alone or i put in the motherboard's setup that start first agp the tv works out perfectly, but my another monitor with a card PCI by sis will be blocked. and if i use both; the tv tuner doesn't appear in the hardware tab in the control panel it's like does'nt exist..., my motherboard it's DFI, Atlon xp 1.1 G 256 M Ram

 

Thanx a lot