On Jul 11, 2008, at 5:16 PM, Olin Lathrop wrote: > Of course they are allowed. What rule do you imagine they migh > violate? > The spec gives a maximum cable length, but there is no minimum. > Why would > there be? Well, for example, there are (maybe?) physical specs for the dimensions and appearance of the external shaped strain-relief part of the USB connector, right? I myself have run into the annoyance of being unable to plug a flash drive into a USB slot on a computer, because the slot next to it was occupied and didn't leave room for the THICKNESS of the drive. BillW -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist