Uhh, yes, you can actually. USB 2.0 devices are fully compatible with older USB 1.0 interface, I don't know where you are getting that idea from. However, the USB 1.0 Interface will bottleneck your normal USB 2.0 transfer rate of 480mbs to 12mbs (I think).
Intel C2D E6320 / AMD Athlon X2 3800+
Gigabyte 965P DS3 / DFI nF4 Ultra-D
2GB OCZ Gold PC2-6400 / 2GB OCZ Gold PC4000
eVGA 8800GTS 320MB / eVGA 6800GS 256MB
150GB Raptor / 74GB Raptor
2x500GB / 320GB
OCZ GameXStreme 850w / OCZ StealthXStream 600w