Xref: utzoo comp.dcom.lans:7206 comp.protocols.tcp-ip.ibmpc:4874 comp.sys.ibm.pc.hardware:5301 comp.unix.xenix.misc:100 comp.unix.xenix.sco:1645
Path: utzoo!utgpu!watserv1!watmath!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!samsung!uunet!bellcore!epic!karn
From: karn@epic.bellcore.com (Phil R. Karn)
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: <1991Feb8.162601@epic.bellcore.com>
Date: 8 Feb 91 21:26:01 GMT
References: <1991Feb3.225956.28698@m2xenix.psg.com> <1991Feb7.144231.1699@ux1.cso.uiuc.edu>
Sender: usenet@bellcore.bellcore.com (Poster of News)
Reply-To: karn@thumper.bellcore.com
Organization: Packet Communications Research Group (Bellcore)
Lines: 11

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.

Phil