Unfortunately, as far as I know, there are no online copies of the CMC and PMC specs. (By-the-way, what became of the complaints aired on this list some months ago about the lack of online PCI specs?) Some mechanical and connector specs and an E-mail address for info requests may be found at: http://sunshine.cern.ch:8080/PCI/PMCdesign/PMC-SPECS.html ê ˆ u