Re: How to set up two monitors with ATI Mach64 Rage Pro AGP and S3 Trio64V2 (fwd)

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On Fri, 23 Jul 2004, A.Sulaiman wrote:

> I have spent over a week trying various XF86Config options,
> and have exhaustively searched the net to no avail.

> I look forward to any help on this problem.

> My system is a PIII-500 Dell Optiplex GX1 originally with just an
> on board ATI Mach64 ("ATI|3D Rage Pro AGP 1X/2X, 8MB" ) and runs
> a standard FedoraCore1 (fresh installation). Everything generally
> worked well (with lots of memory, fast disk, fvwm window manager,
> firefox and of course linux, the PIII is still as quick as the
> rest of them, even with scores of active windows).

> Due to an office move, I recently have to give up my 19" trinitron
> display on 1600x1200 to a 17" LCD which is limited to 1280x1024.

> A second LCD was available, so I added an old 2MB S3 Trio64V PCI
> card to attach it to. It immediately become the primary monitor.
> Dell BIOS have no option to switch the default monitor selection.
> This is a real bummer, as I cannot get the other LCD monitor
> attached to the ATI Mach64 to work, I am now restricted to
> just 1024x768 with the S3 Trio.

> There don't seem to be any problem with the h/w BIOS boot and linux
> initialisations in recognizing the two display cards.
> The snag seems to occur during XFree86 initialisation - the dreaded
> "(EE)" message.

> Note: I have attached both my XFree86.0.log XF86Config files in
> it's entirety.

> Here are some extracts from /var/log/XFree86.0.log:

> (**) ATI(1): Chipset:  "mach64".
> (**) ATI(1): Depth 16, (--) framebuffer bpp 16
> (II) Loading sub module "int10"
> (II) LoadModule: "int10"
> (II) Reloading /usr/X11R6/lib/modules/linux/libint10.a
> (EE) ATI(1): Cannot read V_BIOS
> (WW) ATI(1): Unable to initialise int10 interface.
> (EE) ATI(1): Adapter has not been initialised.
> (II) UnloadModule: "ati"
> (II) UnloadModule: "int10"
> (II) UnloadModule: "atimisc"
> (II) Unloading /usr/X11R6/lib/modules/drivers/atimisc_drv.o

This is a system BIOS issue, a problem particularly common with Dell's
lobotomised BIOSes.  And there's very little the driver can do about it.
Depending on your kernel, you _might_ be able to get past this point by
configuring it to use atyfb to drive the Rage Pro.

Marc.

+----------------------------------+-----------------------------------+
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XFree86 developer and VP.  ATI driver and X server internals.

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