ati driver dual head 2nd monitor incorrect resolution

[Alex Deucher]

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