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- From: bob@obiwan.uucp (Bob Willcox)
- Newsgroups: comp.unix.bsd
- Subject: Re: 386BSD QIC-02 Driver with Wangtek 5150PK is sloooooow
- Message-ID: <Bt9At0.GEn@obiwan.uucp>
- Date: 20 Aug 92 00:31:47 GMT
- References: <1992Aug17.191318.8853@hotb.sub.org> <1992Aug19.051745.16119@zip.eecs.umich.edu>
- Organization: Bob's Place, Austin TX
- Lines: 26
-
- In article <1992Aug19.051745.16119@zip.eecs.umich.edu> dmuntz@dip.eecs.umich.edu (Daniel A Muntz) writes:
- >In article <1992Aug17.191318.8853@hotb.sub.org> thomas@hotb.sub.org (Thomas Brettinger) writes:
- >>Hi.
- >>I got 386BSD running on a noname sx, 4 Meg Ram, a 100M Conner Disk, WD
- >>Elite and a Wangtek 5150PK QIC-02 Streamer.
- >>
- >>The system runs fine, but the tape driver is incredibly slow. I looked
- >>at the source and saw, that it's using 512 byte blocks... Oh well.
- >
- >The problem isn't the 512-byte blocks, per se, but that the controller doesn't
- >receive data quickly enough to allow the drive to stream properly.
- > [ ...bunch of stuff about lost interrupts deleted... ]
- >
- >I'm sporadically working on these things and would appreciate any feedback.
- >
- > -Dan
-
- I am running a Wangtek 5150 EQ on my system (386/40) without any apparent
- streaming problems. I haven't got it to stream continuously, but it
- will stream for whatever size buffer I am reading into or writing from.
- I have been using afio with a 2mb buffer and been quite satisfied.
-
- --
- Bob Willcox ...!{rutgers|ames}!cs.utexas.edu!uudell!rancor!obiwan!bob
- Phone: 512 258-4224 (home)
- 512 838-3914 (work)
-