On Feb 16, 2005, at 6:25 PM, Robert Swindells wrote:
> [snip]
>
>> - Xilinx XC2S200 Spartan-II 2.5V field programmable gate array. I'm
>> guessing this chip does image compression and/or encryption so that 
>> the
>> CPU doesn't have to.
>
> Another guess would be that this contains a PCI host bridge and 
> StrongARM
> bus master interface. Intrinsyc (was NMI) have one of these.
>
> The NIC is a PCI part, you can't just interface it to the CPU directly.
>
> The PS/2 ports are probably from the FPGA as well.

That would make a lot more sense, the digitizer is a PCI part as well; 
and 400 MHz should be plenty to handle image acquisition, compression 
and encryption.