*BSD News Article 69340


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From: Roy Wood <rrwood@io.org>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: FreeBSD with ATI Mach64
Date: Thu, 23 May 96 16:59:30 -0500
Organization: Silicon Angst Software
Lines: 19
Distribution: world
Message-ID: <960523165511-rrwood@io.org>
References: <31A341A7.45B2@ccohs.ca>
Reply-To: rrwood@io.org
NNTP-Posting-Host: bpci.net3.io.org
X-Newsreader: rnMac v2.0d3
X-Email-CC: Will Lyons <w.lyons@ccohs.ca>

In article <31A341A7.45B2@ccohs.ca>, Will Lyons writes:

> I want to install FreeBSD on my new Pentium/133 with the triton chipset 
> but the boot disk seems to crash. I have tried it on several computers 
> and the two systems with ATI Mach64 cards with 2MB Dram will crash every 
> time? Does anyone have a suggestion?

This is a well-known problem.  The ATI's respond to FreeBSD's probe for 
a serial port at (I think) 0x2e8.  I seem to have lost the posting 
someone put up a while back describing the whole situation in detail, 
but it basically involves compiling a kernel that does not poll the 
offending I/O port.  In the meantime, I think you can just boot up in 
configuration mode (-c) and skip over the serial stuff.

Oddly enough, I have an ATI Mach64 with 2M VRAM, and have never had a 
problem....

-Roy