On Fri, 21 Jul 2006 16:51:04 +0100, Wookey wrote: > I am guessing it might be something to do with power supply sequencing > of the different CPU voltages? Certainly sounds like it, although I didn't think the PXA cared about such things. I'll check, but if you can get me a candidate board, I'll have a look. (I'm around this weekend) (It could also be some weird Xilinx effect, stamping on the buses). Care was taken during design, but it's still possible. Seve