Added [EE] tag. In my experience it's usually silicone caulk. Just make sure it's a neutral cure formulation. I believe some people use GE Silicone II. Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams On Tue, Jul 1, 2014 at 6:17 PM, Vitaliy Maksimov w= rote: > We have a problem with modules falling out of their DIP sockets during > shipping (due to vibration). I remember seeing blobs of white rubbery > substance on some industrial motherboards, which looked like it was put > there to help keep the BIOS chip from popping out. > > Can someone confirm that that's what it's used for, and tell me what it's > called? > > The proper solution would involve using a fastener, but it's a one-off ty= pe > device that would be rather expensive to redesign. > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .