Xref: utzoo comp.dcom.lans:7208 comp.protocols.tcp-ip.ibmpc:4876
Path: utzoo!utgpu!watserv1!watmath!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!sdd.hp.com!spool.mu.edu!uunet!shelby!agate!usenet.ins.cwru.edu!cwlim!trier
From: trier@cwlim.INS.CWRU.Edu (Stephen C. Trier)
Newsgroups: comp.dcom.lans,comp.protocols.tcp-ip.ibmpc
Subject: Re: 3c503 etherus interruptus
Message-ID: <1991Feb8.224602.26356@usenet.ins.cwru.edu>
Date: 8 Feb 91 22:46:02 GMT
References: <1991Feb3.225956.28698@m2xenix.psg.com> <1991Feb7.144231.1699@ux1.cso.uiuc.edu> <1991Feb8.162601@epic.bellcore.com>
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In article <1991Feb8.162601@epic.bellcore.com> karn@thumper.bellcore.com writes:
>Be careful. Although it is not widely documented, VGA cards (and I
>believe EGA) use IRQ2 to signal vertical retrace.

What exactly are the ramifications of this?  We've installed dozens and
dozens of Cabletron cards configured for IRQ 2 all over our net.

How many applications use the vertical retrace interrupt?

[I cut down the crossposting a bit.]

-- 
Stephen Trier                              Case Western Reserve University
Work: trier@cwlim.ins.cwru.edu             Information Network Services
Home: sct@seldon.clv.oh.us               %% Any opinions above are my own. %%