On Wed, 21 Jan 1998 [EMAIL PROTECTED] wrote: > -----BEGIN PGP SIGNED MESSAGE----- > > On Tue, 20 Jan 1998, W Paul Mills wrote: > > > I have my modem and my UPS both connected to serial ports with the same > > interupt. Seems to work OK. These are both on the same card which was > > modified (not a lot of fun) to share the interupt. JDR Microdevices > > sells a 4-port serial board that is supposed to support shared interupts. > > OK Paul, but a *normal* standard serial port card has two 16550xx UARTs a > two connectors. These cards are AFAIK not able to share interupts > correctly. It works sometimes, when you don't use the corresponding port > at the same time, but this is not my thing. And if you have a > AMD-586DX/120 in an old VESA local bus motherboard, it could be > impossible (like it was for me).
I modified a "standard" board with two 16650's and used it with the standard linux driver. > > Now for something completely different! > > You talk about a JDR Microdevices card with 4 ports. is it supported by > linux??? How much does it cost??? Because I could use some more ports at a > communication box at work, which should run Debian, if everything goes > right. I would expect it to work, but have not tried it. It is a part no. MCT-4S. Says that it supports unix shared interrupt mode. Uses standard 16550 chips. They have a web site at http://www.jdr.com. I have bought equipment from them for home and work. Good luck with them over the last 5 or 6 years. /*********************** Running Debian Linux *********************** * For God so loved the world that He gave his only begotten Son, * * that whoever believes in Him should not perish... John 3:16 * * W. Paul Mills * Topeka, Kansas, U.S.A. * * [EMAIL PROTECTED] * http://homepage.midusa.net/~wpmills/ * * [EMAIL PROTECTED] * http://www.sound.net/~wpmills/ * * Bill, I was there several years ago, why would I want to go back? * ********************************************************************/ -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .