3c503 etherus interruptus

[Phil R. Karn]

In article <1991Feb7.144231.1699 at ux1.cso.uiuc.edu>,
klefstad at 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