Re: cannot get ATI Rage XL / Mach64GM to use 1600x1200 in X on a hp L2035 LCD

Miernik <[email protected]> Mon, 12 Dec 2005 09:16:13 +0100
Newsgroups gmane.linux.fbdev.user
Message-ID <[email protected]>
Antonino A. Daplas <[email protected]> wrote:
> Miernik wrote:
>> Antonino A. Daplas <[email protected]> wrote:
>>> Miernik wrote:
>>>> (II) ATI(0): Maximum clock: 123.00 MHz
>>> Your mode requires 162Mhz but the driver limits the clock to 123 Mhz.
>>> I don't have an ATI card, but perhaps this maximum clock can be
>>> overridden?
> But if the framebuffer driver can do 162 MHz, then there must be a way
> to make Xorg use that too...

Changing DefaultDepth from 24 to 16 fixed the problem. Now it shows:

(II) ATI(0): Maximum clock: 230.00 MHz

For framebuffer I use 8 bit color.

Besides that setting "DACSpeed 210" in the Device section does not have
any effect. xorg.conf(5) says that it should override max clock.

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