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From: John Lucas <jlucas@uvi.edu>
Subject: Re: ATI Mach64 with FreeBSD
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Organization: University of the Virgin Islands
References: <31A375CD.7E4C@ccohs.ca> <4o1u32$9v@mksrv1.dseg.ti.com>
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Date: Fri, 24 May 1996 20:01:52 GMT
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Bob Nestor wrote:
>
> In article <31A375CD.7E4C@ccohs.ca>, w.lyons@ccohs.ca says...
> >
> >I have tried with no success to install FreeBSD on my new pentium. This
> >system has an ATI Mach64 video card which seems to make the boot disk
> >crash. Does anyone know is FreeBSD will work with the Mach64 card?
>
> Strange, it loads and runs fine on my Pentium with a Mach64 card. I just
> can't figure out how to configure the *&^% thing so X runs without scattering
> partial windows all over the screen. But then I can't get the 3Com 3C590
> driver working for my network connection either. Compared to this getting
> NetBSD running on my Mac was a piece of cake!
The problem getting FreeBSD installed with the Mach64 is that sio3 conflicts with
the card. To install, use the "-c" switch at the FreeBSD boot prompt and disable *ALL* of
the sio ports (thats right All of them sio0 - sio3).
Once you get FreeBSD installed you need to do two things:
1. config a new kernal with sio3 disabled
2. edit the /usr/src/sys/i386/isa/sio.c file
Change this:
/* XXX - configure this list */
static Port_t likely_com_ports[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, };
to this:
/* XXX - configure this list */
static Port_t likely_com_ports[] = { 0x3f8, 0x2f8, 0x3e8, };
This change will prevent the probe routine from looking for serial ports where your
video board is.
Re-compile and install the new kernal and reboot. You have your com ports back.
The problem with X was insoluble for me (with XFree86 v3.12 and ATI Graphics Xpression),
so I broke down and bought "Xaccel" from X-inside ($99). Works great and is real fast.
--
| John Lucas jlucas@uvi.edu |
| Information Technology NIC Handle: JL423 |
| University of the Virgin Islands (809) 693-1216 |
| St. Thomas, VI 00802 http://www.uvi.edu/jlucas.html |