Xref: utzoo comp.dcom.lans:7254 comp.protocols.tcp-ip.ibmpc:4898 comp.sys.ibm.pc.hardware:5465 comp.unix.xenix.misc:104 comp.unix.xenix.sco:1689 Path: utzoo!mnetor!tmsoft!torsqnt!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!axion!delluk!tim From: tim@dell.co.uk (Tim Wright) Newsgroups: comp.dcom.lans,comp.protocols.tcp-ip.ibmpc,comp.sys.ibm.pc.hardware,comp.unix.xenix.misc,comp.unix.xenix.sco Subject: Re: 3c503 etherus interruptus Message-ID: Date: 11 Feb 91 16:47:49 GMT References: <1991Feb3.225956.28698@m2xenix.psg.com> <1991Feb7.144231.1699@ux1.cso.uiuc.edu> <1991Feb8.162601@epic.bellcore.com> Sender: usenet@delluk.uucp (Usenet posting login) Organization: Dell Computer Corp., Bracknell, UK Lines: 22 In <1991Feb8.162601@epic.bellcore.com> karn@epic.bellcore.com (Phil R. Karn) writes: >In article <1991Feb7.144231.1699@ux1.cso.uiuc.edu>, >klefstad@ux1.cso.uiuc.edu (Sue Klefstad) writes: >|> The 3C503 defaults to interrupt 3. If you're using a >DEVICE=ETH503.SYS >|> in your config.sys, you'll need to specify interrupt 2 there: >|> DEVICE=ETH503.SYS /I:2 >Be careful. Although it is not widely documented, VGA cards (and I >believe EGA) use IRQ2 to signal vertical retrace. EGA cards used IRQ2/9 for the retrace interrupt. Any decent VGA cards either have this disabled by default or have an option to disable it. It is not necessary and as you have noticed, gobbles up a *valuable* interrupt line. Tim -- Tim Wright, Dell Computer Corp. (UK) | Email address Bracknell, Berkshire, RG12 1RW | Domain: tim@dell.co.uk Tel: +44-344-860456 | Uucp: ...!ukc!delluk!tim "What's the problem? You've got an IQ of six thousand, haven't you?"