From owner-freebsd-questions Wed Apr 24 15:25:06 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id PAA03962 for questions-outgoing; Wed, 24 Apr 1996 15:25:06 -0700 (PDT) Received: from optim.ism.net (optim.ism.net [205.199.12.2]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id PAA03939 Wed, 24 Apr 1996 15:25:00 -0700 (PDT) Received: from [205.199.12.45] (slip5.ism.net [205.199.12.45]) by optim.ism.net (8.6.12/8.6.12) with SMTP id QAA05898; Wed, 24 Apr 1996 16:34:25 -0600 Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 23 Apr 1996 16:27:57 -0600 To: dshin@ponder.csci.unt.edu (Dongil Shin), freebsd-questions@freebsd.org, freebsd-hardware@freebsd.org From: russ@ism.net (Russ Pagenkopf) Subject: Re: Boot floppy problem with Intel Atlantis motherboard (Mach64) Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk At 8:57 AM 4/24/96, Dongil Shin wrote: > I am having problem with boot floppy (for installation). >The booting process goes ok until it uncompresses the kernel. Then, >suddenly the monitor garbles and goes black. My configuration is > >1) Intel Atlantis Motherboard with ATI Mach64 chip (2M DRAM) I had this problem too, and here's the solution. There's a conflict between the scan for serial ports three and four and the ATI chip, so here's how to fix it. When you boot from the floppy and it asks for Boot: type '-c' (no quotes) and when the prompt comes up type 'visual'. This will allow you to tell the kernel what not to scan as you've got a conflict problem. Specifically you need to disable the probe for *all* of the serial ports. This will allow you to then boot the machine. Next you'll need to edit sio.c and comment out the two lines that handle serial ports three and four (they're a ways down the listing). Finally, you need to build a custom kernel. This kernel will contain the new sio.c that will automatically *not* scan for serial ports three and four and this will fix your problem. If you need more help, give me a shout. After all the help I got on this one it's the least I can do. > p.s. Win95 and DOS are ok. This means nothing, Unix is muchmuchmuch more picky ;-) rus Russ Pagenkopf (russ@ism.net) Join the revolution!