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Date:      Tue, 14 Mar 2000 10:34:39 +0100 (CET)
From:      Jakob Alvermark <jakob@teligent.se>
To:        freebsd-multimedia@freebsd.org
Subject:   XFree86 4.0, multihead, and Mach 64
Message-ID:  <Pine.BSF.4.10.10003140935270.2925-100000@teligent.se>

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Hi

I have installed XFree 4.0, and started to play with multihead.

I have a Matrox G200 AGP card, and an old ATI Mach 64 card.
The Matrox works fine, but trying to get the ATI to work seems hard.

First I got:=20
(=3D=3D) ATI(1): Chipset:  "ati".
(--) ATI(1): ATI 88800GX-D graphics controller detected.
(--) ATI(1): Chip type 4758 "GX", class 0, revision 0x01.
(--) ATI(1): PCI bus interface detected;  sparse I/O base is 0x02EC.
(--) ATI(1): VGA Wonder registers at I/O port 0x01CE.
(--) ATI(1): ATI Mach64 adapter detected.
(--) ATI(1): ATI 68860 (Revision C) or similar RAMDAC detected.
(II) ATI(1): BIOS bus address:  0xEB000000.
(**) ATI(1): Depth 16, (--) framebuffer bpp 16
(EE) ATI(1): Depth 16 is not supported through this adapter.

Which is strange, 16 bpp should work for this one, I've used it before.
Anyway, I tried changing to 8 bpp:
(**) ATI(1): Depth 8, (--) framebuffer bpp 8
(=3D=3D) ATI(1): RGB weight 666
(=3D=3D) ATI(1): Default visual is PseudoColor
(=3D=3D) ATI(1): Using gamma correction (1.0, 1.0, 1.0)
(EE) ATI(1): A linear aperture is not available through this adapter.

Ok, so I add 'Option "nolinear"':
(**) ATI(1): Option "Nolinear"
(=3D=3D) ATI(1): RGB weight 666
(=3D=3D) ATI(1): Default visual is PseudoColor
(=3D=3D) ATI(1): Using gamma correction (1.0, 1.0, 1.0)
(EE) ATI(1): VGA is not available through this adapter.

What could be the problem? Anyone seen this?

/Jakob

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