On 7/15/11 at 9:27 PM, Tom Meyer <tmeyer at lps.org> transmitted the following electronic message: >The iMacs in my school lab I believe have the Firewire 800 port as it >is a completely different plug than the old firewire. I don't know if >that means it is firewire 800 or just 6 pin versus 4 pin or whatever. >Anyway I bought an adaptor that allows me to plug in the old cables >into the new iMac and I have had no trouble with older firewire items >plugged straight into the new iMac. Don't know if that pertains here >but for what it is worth. > FireWire 800 is a 9-pin connector and it takes an adapter, as you cite, to move down to FireWire 400's 6-pin connection (or a 9-pin to 4-pin adapter to connect to a FireWire 400 camcorder). -- Dennis R. Cohen