ati driver dual head 2nd monitor incorrect resolution

John H. mistamaila at yahoo.com
Tue Oct 12 09:24:04 PDT 2004


no good.  Doesn't seem to work.

 Section "Device"
         Identifier  "Card0"
         Driver      "radeon"
         VendorName  "ATI Technologies Inc"
        BoardName   "RV350 AP [Radeon 9600]"
         BusID       "PCI:1:0:0"
         Screen      0
	option "monitorlayout" "crt,crt"
 EndSection

 Section "Device"
         Identifier      "Card1"
         Driver          "radeon"
         BoardName       "RV350 AP [Radeon 9600]"
        Screen          1
        BusId           "PCI:1:0:0"
	option "monitorlayout" "crt,crt"
 EndSection

--- Alex Deucher <alexdeucher at gmail.com> wrote:

> On Tue, 12 Oct 2004 09:06:21 -0700 (PDT), John H.
> <mistamaila at yahoo.com> wrote:
> > ok, with current xorg.conf, as you can see from
> log,
> > the 19 inch crt is not even listed.
> > 
> > the fp is connected to dvi port on radeon 9600 via
> vga
> > adapter->dvi(it's an analog monitor)
> > 
> > here is log
> > 
> <snip>
> > (II) RADEON(0): Primary:
> >  Monitor   -- CRT
> >  Connector -- VGA
> >  DAC Type  -- Primary
> >  TMDS Type -- NONE
> >  DDC Type  -- VGA_DDC
> > (II) RADEON(0): Secondary:
> >  Monitor   -- NONE
> >  Connector -- DVI-I
> >  DAC Type  -- TVDAC/ExtDAC
> >  TMDS Type -- Internal
> >  DDC Type  -- DVI_DDC
> 
> It's failing to detect the secondary monitor and
> thus disabling
> dualhead.  try it again with this option:
> option "monitorlayout" "crt,crt"
> that will force the driver to use both ports.
> 
> Alex
> 


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