Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!sdcsvax!sdcrdcf!hplabs!hao!seismo!harvard!godot!johnl From: johnl@godot.UUCP Newsgroups: net.micro.pc Subject: PC AT and old serial cards Message-ID: <427@ima.UUCP> Date: Fri, 12-Oct-84 10:45:54 EDT Article-I.D.: ima.427 Posted: Fri Oct 12 10:45:54 1984 Date-Received: Mon, 15-Oct-84 01:51:17 EDT Lines: 0 Nf-ID: #N:ima:12700003:000:388 Nf-From: ima!johnl Oct 12 10:27:00 1984 I tried putting an old serial card (the kind with a real DB25, that everybody seems to have closets full of) into my PC-AT, and like IBM said, it didn't work. But then a friend at IBM told me to pull of the undocumented jumper J1 in the middle of the serial card, and now it works fine on an AT. Hmmn. Sure was easier than soldering together a new serial cable. John Levine, ima!johnl