ATI Mach64VT Works?

ATI Mach64VT Works?

Post by John Nguye » Thu, 22 Jul 1999 04:00:00



Anyone able to get an ATI Mach64VT working in X? The FAQs state that
this chipset is supported.  I have the problem of "static" on half my
screen.  The other half of my screen is unaffected.  I'm at a lost for
how to solve this problem.  Thanks for any insights!

Regards,
John

 
 
 

ATI Mach64VT Works?

Post by Hans D. Mittelman » Thu, 22 Jul 1999 04:00:00



> Anyone able to get an ATI Mach64VT working in X? The FAQs state that
> this chipset is supported.  I have the problem of "static" on half my
> screen.  The other half of my screen is unaffected.  I'm at a lost for
> how to solve this problem.  Thanks for any insights!

> Regards,
> John

If you have a CRT get the 3.9.15-snapshot ox XFree86-4.0. If you have
LCD follow

   ftp://plato.la.asu.edu/pub/FB_VESA.txt

which will also work in the first case.
--
Hans D. Mittelmann                      http://plato.la.asu.edu/
Arizona State University                Phone: (602) 965-6595
Department of Mathematics               Fax:   (602) 965-0461


 
 
 

ATI Mach64VT Works?

Post by Jürgen Pfan » Fri, 23 Jul 1999 04:00:00


Hello !

A card with that chipset, an ATI Video Xpression w/2M EDO DRAM, works
flawlessly since ~2 years in one linux box, later in another, as well
as a different one w/Mach64 CT chipset, both with the Mach64 X Server
(exactly same XF86config, BTW). I guess they should work w/standard
SVGA server, too, but of course I prefer the more appropriate driver.
I don't remember exactly now, but I had success with XF86 versions 3.2
and 3.3.1. In fact, I couldn't have imagined someone posting a question
about problems with that chipset at all...


> Anyone able to get an ATI Mach64VT working in X? The FAQs state that
> this chipset is supported.  I have the problem of "static" on half my
> screen.  The other half of my screen is unaffected.  I'm at a lost for
> how to solve this problem.  Thanks for any insights!

> Regards,
> John

CU

Juergen

 
 
 

ATI Mach64VT Works?

Post by John H. Nguy » Fri, 23 Jul 1999 04:00:00


Quote:>If you have a CRT get the 3.9.15-snapshot ox XFree86-4.0. If you have
>LCD follow

>   ftp://plato.la.asu.edu/pub/FB_VESA.txt

>which will also work in the first case.

Thanks a lot!  I didn't know that XFree86 4.0 was out yet.  I saw
documentation for it, but only downloads for 3.3.3.1.

Regards,
John

 
 
 

ATI Mach64VT Works?

Post by David Myh » Fri, 23 Jul 1999 04:00:00


I have used many different ATI cards, mostly All-in-Wonder and many
different flavor of Linux. Here's what works fo me.

Use xf86config to set it up. All the other programs have (xf86setup,
etc) have not worked well for me. Answer the questions, don't autoprobe
and don't select a clock chip or ramdac.

The XF86Config file created should work. Older cards may require that
"ChipID 0x4755" and "ChipRev 0x01" be hand edited into the XF86Config
file. I thing there is info on this on the xfree.org web page.

The biggest problem with the ATI cards has to do with the video out
signal. When a cable is connected to a TV/VCR the card firmware detects
the presence of this connection and turns on the video out signal so you
can see the video on a TV during bootup. This screws X up resulting in
vertical stripes, multiple images and other artifacts.

Two solutions are possible. Disconnect the cable before you boot the
system or boot to DOS, install the ATI DOS drivers, put "path\install
tvoff" entry in your autoexec.bat file and then start Linux using
loadlin. This is also a good way to get other plug-n-play cards setup
before starting Linux.

Hope this helps.

Dave Myhr

  vcard.vcf
< 1K Download
 
 
 

ATI Mach64VT Works?

Post by dmorgan1REMOVET.. » Sat, 24 Jul 1999 04:00:00


ChipID option isn't documented in XF86Config man page, and didn't find
it at xfree.org. I've heard of it once before. Can you say more about
it??


> Older cards may require that
>"ChipID 0x4755" and "ChipRev 0x01" be hand edited into the XF86Config
>file. I thing there is info on this on the xfree.org web page.

 
 
 

ATI Mach64VT Works?

Post by John H. Nguye » Tue, 27 Jul 1999 04:00:00


Quote:> Two solutions are possible. Disconnect the cable before you boot the
> system or boot to DOS, install the ATI DOS drivers, put "path\install
> tvoff" entry in your autoexec.bat file and then start Linux using
> loadlin. This is also a good way to get other plug-n-play cards setup
> before starting Linux.

Dave, thanks for the information!  Disconnecting the cable before booting
each time might not be an option for me.  Regarding the second option,
would I have to start linux using loadlin each time?

Thanks,
John

 
 
 

1. ati mach64vt, atyfb.c, fbcon and black screens

i'm running 2.4.3, and attempting to use the ati mach64 framebuffer
driver (atyfb.c) in place of the slooow vesa fb.  my card is an ati
mach64 vt4 according to lspci, claimed in atyfb.c line 555 to be
supported.  on startup, however, i get kernel decompression, followed
by a black screen.  it appears the boot sequence does not complete, as i
can't even ssh into the box, although the case may be that init is
hitting a point where it needs interaction somewhere.

i've compiled my kernel with:
        vga console
        vga mode selection support
        framebuffer->ati mach64 support,

all as builtins.  as explained in Documentation/fb/modedb.txt, the atyfb
driver is supported by modedb, and i've placed

append="video=atyfb:640x480"

in my lilo.conf.  it is probably worth noting that i also still have
vga=791 in my lilo.conf from the vesafb days; i'm considering that
this (as it, for one, specifies a different resolution) may be the
culprit, but the box is at home.

any ideas?  if i simply need to rtfm, please direct me; i've been
searching for an answer to this since 2.2.

--

  head developer, trellis network security   http://www.trellisinc.com/
"one of god's own prototypes, some kind of high-powered mutant never even
considered for mass-production...too weird to live, and too rare to die."
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