I was putting a 9 pin D-Sub connector on a board, and I got to wondering, how did they come up with that pin spacing? I mean .109 by .112 is pretty weird even if you convert it to metric. Anyone know how that came about? TIA Colin _________________________________________________________________ Protect your PC - get McAfee.com VirusScan Online http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu