On Mon, 7 Jan 2002, R Laing wrote:
> > > As the documentation for states that the ATI MACH 64 chip is supported
> > > in more than 8 bit color, I cannot figure out how to force the change to
> > > allow greater than 8 bit color support.
> > Actually, the documentation I maintain states:
> > "The driver currently supports the SuperVGA capabilities of all ATI
> > adapter except some early Mach8 and Mach32 adapters that do not provide
> > the required functionality. This support works for monochrome, 16-colour
> > and 256-colour video modes, if one of the following ATI graphics
> > controller chips is present:
> > VGAWonder series: 18800, 18800-1, 28800-2, 28800-4, 28800-5, 28800-6
> > Mach32 series: 68800-3, 68800-6, 68800AX, 68800LX
> > Mach64 series: 88800GX-C, 88800GX-D, 88800GX-E, 88800GX-F,
> > 88800CX, 264CT, 264ET, 264VT, 264GT (3D Rage),
> > 264VT-B, 264VT3, 264VT4, 264GT-B (3D Rage II), 3D
> > Rage IIc, 3D Rage Pro, 3D Rage LT, 3D Rage LT Pro,
> > 3D Rage XL, 3D Rage XC, 3D Rage Mobility
> > (including the -M and -P variants)
> > The driver also supports 32K, 64K and 16M-colour modes on the 264xT and 3D
> > Rage series of adapters using the accelerator CRTC (but not the VGA
> > CRTC)."
> > The GX is not a 264xT, nor a 3D Rage, ergo...
> I have read this and I guess I miss understood this as I saw Mach 8 and
> mach32 in the main paragraph I didn't read the rest in detail. From
> what you have quoted, the Mach 64 card I have "will not" work with
> XFree86 4.1.
It does work, but only at depths 1, 4 and 8.
> I guess I will install 3.3 and work with that until I get a new
> computer.
> I do ask why the color depth was dropped from 3.x to 4.x?
4.*'s ATI driver started as a port of the same (unaccelerated) driver from
3.3*, not of XF86_Mach*. I've yet to move XF86_Mach{32,64}'s RAMDAC
handling to 4.*.
Marc.
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| Marc Aurele La France | work: 1-780-492-9310 |
| Computing and Network Services | fax: 1-780-492-1729 |
| 352 General Services Building | email: [EMAIL PROTECTED] |
| University of Alberta +-----------------------------------+
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| T6G 2H1 | Standard disclaimers apply |
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+----------------------------------+-----------------------------------+
XFree86 Core Team member. ATI driver and X server internals.
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