On Thu, 07 Oct 2010 11:48:58 +0100, "Matt Rhys-Roberts" said: > I've repeatedly observed Hyperterminal toggling the last bit of every=20 > other character, in a stream of identical characters, when it was=20 > supposed to be in 8N1 mode. I always thought that the stop bit was=20 > supposed to be a definite bit, not something that alternates between=20 > characters. Re-starting the app with *exactly* the same configs seems to= =20 > flush the problem. I expect this feature was included just to keep us on= =20 > our toes, bring the online community together to talk about it, etc.=20 > Nice job! I've seen that too, but tracked it down to the Prolific USB-RS232 adapter. When I changed to a different driver the problem went away. And the newest driver from Prolific just doesn't work at all for some of the adapters. No wonder they are the cheapest and most prolific :) Cheers, Bob --=20 http://www.fastmail.fm - Choose from over 50 domains or use your own --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .