Re: Unwanted composite syncs from ATI card

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 17 Oct 2002, Anthony N Martin wrote:

> I've been having problems getting a monitor to work
> in Xwindows on my new linux installation.

> Other monitors (NEC Viewsonic) work with XF86
> on the machine.

> The monitor (V50) works on other (MS-Windows)
> machines.

> The monitor won't sync, gives up & blanks. Sometimes
> a picture flashes up briefly. It works OK in the linux
> text console, and also in basic VGA with win-3.1

> I've selected and tweaked modelines to get scan rates
> & sync widths identical to those that work with the monitor
> when driven from other sources, and those given as
> "memory" settings in the monitor handbook.

> I've concluded that the card when driven from XF86
> is producing composite-sync on h-sync which is causing
> the problem. As win-3.1 can produce proper syncs,
> it's not hardwired, it's the way XF86 has configured the
> card.

> This is not what I would expect as a default, is this a bug?
> Default modelines do not produce VESA VGA compliant
> output as a result, and some very common monitors
> won't sync. This is a serious bug.

> Is there a config option I can use to change this? Or is
> fixable by a patch? I'm still RTFM for composite
> syncs and not finding anything.

> Card: ATI Mach64 GX
> Monitor: Compaq V50
> XFree86 version 4.2.0
> Slackware 8.1 on x86

This is a known glitch in 4.2.  Specify Option "NoCompositeSync", or
upgrade to 4.2.1.

Marc.

+----------------------------------+-----------------------------------+
|  Marc Aurele La France           |  work:   1-780-492-9310           |
|  Computing and Network Services  |  fax:    1-780-492-1729           |
|  352 General Services Building   |  email:  tsi@ualberta.ca          |
|  University of Alberta           +-----------------------------------+
|  Edmonton, Alberta               |                                   |
|  T6G 2H1                         |     Standard disclaimers apply    |
|  CANADA                          |                                   |
+----------------------------------+-----------------------------------+
XFree86 Core Team member.  ATI driver and X server internals.

_______________________________________________

Newbie@XFree86.Org
*** To unsubscribe , or change message options, see:
http://XFree86.Org/mailman/listinfo/newbie

[Index of Archives]     [XFree86]     [Xfree86 Xpert]     [X.org]     [IETF Annouce]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Picture Sharing]     [Linux Security]     [Linux RAID]

  Powered by Linux