ep was the old 3c905
ex is the newer driver which handles the 3c905b

"Steven M. Bellovin" wrote:
> 
> In message <200009291837.LAA03774@Greyhawk.DSG.Stanford.EDU>, Jonathan Stone wr
> ites:
> >In message <20000929181241.C18A735DC2@smb.research.att.com>,
> >"Steven M. Bellovin"  writes:
> >
> >
> >
> >>One word of warning...  There is (or at least was; I haven't checked
> >>lately) a problem with the 3c905B (maybe all models) and some BIOSes if
> >>you boot without power-cycling after you've been running Mr. Bill's
> >>operating system.  It leaves the card in a funky state so that NetBSD
> >>can't deal with it.
> >
> >This was fixed at one point, but other people who hacked
> >on the ep code may've busted it again in the interim.
> >
> My problem was with the 3c905, which (I thought) used the ex driver,
> not ep.
> 
>                 --Steve Bellovin