Hi David, On Friday 10 February 2006 19:11, David Hawkins wrote: > > Just use newer host CPU's! ;-) > > Ah, the words of a true engineer :) > > Of course the project manager wouldn't appreciate me doing that. > > However, its not totally out of the question ... $50 per 21555 > and 20 per crate, thats $1000, about half the price of > a CPU. But of course, without the I20 unit on the 440EP, > I might need the 21555 anyway.
Do you really need this I2O unit? You could easily create some message ringbuffers, one in the 440EP's SDRAM for the host-to-440 messages and one in the host-cpu SDRAM for the 440-to-host messages. This way, all messages will be transferred using pci writes. Best regards, Stefan
