> Having worked on a few ISA interfaces, I am assuming PCI would be > the same in the following respect: Use buffers/line-drivers wherever you > can, to protect your poor PCI bus! At least while you're prototyping, Too true - I'd rather stuff a PIC than a motherboard > Starting with a dedicated PCI controller IC might be a boon in the end, I've seen references to MAX i/f chips, yet to look them up and see if they're necessary > too. Have a look in the Piclist EE archives - I think this has been > discussed before. I thought so too, couldn't put my finger on a title -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads