From owner-freebsd-hackers Sun Oct 8 09:16:46 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id JAA05986 for hackers-outgoing; Sun, 8 Oct 1995 09:16:46 -0700 Received: from etinc.com (etinc-gw.new-york.net [165.254.13.209]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id JAA05977 for ; Sun, 8 Oct 1995 09:16:43 -0700 Received: from et.htp.com (et.htp.com [199.171.4.228]) by etinc.com (8.6.11/8.6.9) with SMTP id MAA26463 for ; Sun, 8 Oct 1995 12:24:27 -0400 Date: Sun, 8 Oct 1995 12:24:27 -0400 Message-Id: <199510081624.MAA26463@etinc.com> X-Sender: dennis@etinc.com X-Mailer: Windows Eudora Version 2.0.3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: hackers@freebsd.org From: dennis@etinc.com (dennis) Subject: Re: VLB Disk Controllers Sender: owner-hackers@freebsd.org Precedence: bulk J. Gibbs writes.... >> >>The effect seems to be very pronounced on vlb disk controller cards with >>other i/o on board. > >You have to be carefull of your motherboard and videocard in any VLB >implementation and even more so if you go about 40MHz. I've seen video >cards corrupt bus mastering transfers before and lots of motherboards that >don't work with VLB busmasters. I've never experienced a problem on my >hardware, and those who have complained to me about the 2842 not working >correctly later discovered it was their video card, motherboard or a memory >problem. There are also a lot of VLB "super I/O" cards out there that are >pure junk. We aren't talking about IDE interfaces anyway. In a nutshell, yes. Find a good MB and know your cards and you'll be fine. We do local routing with dual vlb ethernet cards. They're fast and they work just dandy. dennis