Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!tut.cis.ohio-state.edu!ucbvax!chinet.chi.il.us!les From: les@chinet.chi.il.us (Leslie Mikesell) Newsgroups: comp.laser-printers Subject: Re: How fast is a parallel port? Keywords: Centronics, Drivers, Hardware, Dataproducts, Message-ID: <9103191530.AA20270@crayola.cs.UMD.EDU> Date: 15 Mar 91 15:47:20 GMT References: <9103132036.AA25596@crayola.cs.UMD.EDU> Sender: daemon@ucbvax.BERKELEY.EDU Organization: Chinet - Chicago Public Access UNIX Lines: 13 Approved: laser-lovers@brillig.umd.edu In article <9103132036.AA25596@crayola.cs.UMD.EDU> wcs@erebus.att.com (William Clare Stewart) writes: >I'm trying to find out how to connect big laser printers (50-100ppm) >to normal computers, in particular to 386/486 boxes running UNIX. >Are there any parallel port boards out there with hardware support >and/or DMA? It wouldn't take much to do some simple buffering. The AT&T IPC802 board has 8 serial/2 parallel ports - I'm not sure about the buffering scheme but it requires much less CPU to drive it than the motherboard parallel port. Les Mikesell les@chinet.chi.il.us