Path: utzoo!yunexus!geac!syntron!jtsv16!uunet!apctrc!zgel05 From: zgel05@apctrc.UUCP (George E. Lehmann) Newsgroups: comp.sys.ibm.pc Subject: Re: IRQ numbers Message-ID: <508@flyer.apctrc.UUCP> Date: 19 Aug 88 12:12:13 GMT Article-I.D.: flyer.508 References: <15@<16800339@clio> <394@eecea.eece.ksu.edu> Reply-To: zgel05@flyer.UUCP (George E. Lehmann) Organization: Amoco Production Co, Tulsa Research Center Lines: 15 In article <394@eecea.eece.ksu.edu> gordon@eecea.UUCP (Dwight Gordon) writes: >In article <16800339@clio> berger@clio.las.uiuc.edu writes: >>lpt2 uses IRQ5 traditionally. >DO NOT USE IRQ5 if you have an IBM-XT class machine. The IBM/XEBEC fixed- >disk adapter uses IRQ5. On XT class machines there is only one IRQ line >dedicated for use with any/all parallel printers - IRQ7. With the amount of discussion this one IRQ has has raised, it highlights a need. Does anyone have a comprehensive list of IRQ usage, or at least a basic tutorial on which IRQs the machines use with standard (IBM or IBM- emulating) hardware? Such a list would be vary useful to me. Thanks... -- George Lehmann, ...!uunet!apctrc!zgel05 Amoco Production Co., PO BOX 3385, Tulsa, Ok 74102 ph:918-660-4066 Standard Disclaimer: Contents are my responsibility, not AMOCO's.