Signal over range, WAS: X -configure fails: Number of created screens does not match number of detected devices. Configuration failed.

[Anton Shterenlikht]

On Tue, Dec 22, 2009 at 09:29:54PM +0100, Marius Strobl wrote:
> On Tue, Dec 22, 2009 at 08:12:14PM +0000, Anton Shterenlikht wrote:
> > On Tue, Dec 22, 2009 at 12:26:03PM -0700, Warren Block wrote:
> > > On Tue, 22 Dec 2009, Anton Shterenlikht wrote:
> > > > Warren, thank you, but this doesn't help. I've added:
> > > >
> > > > Section "Monitor"
> > > > 	Identifier   "Monitor0"
> > > > 	HorizSync	30-50
> > > > 	VertRefresh	60
> > > > EndSection
> > > >
> > > > Section "Device"
> > > > 	Identifier  "Card0"
> > > > 	Driver      "mach64"
> > > > 	BusID       "PCI:0:2:0"
> > > > EndSection
> > > 
> > > Hmm.  Some web searching says non-Intel platforms might need a different 
> > > reference clock:
> > > 
> > > http://www.gentoo.org/doc/en/gentoo-sparc-faq.xml#doc_chap4_sect1
> > 
> > yes, now you told me I see it's actually in the logs:
> > 
> > (--) MACH64(0): Reference clock 157.5/11 (14.318) MHz.
> > (II) MACH64(0): If modes do not work on Ultra 5/10 or Blade 100/150,
> > 	set option "reference_clock" to "28.636 MHz" or "29.5 MHz"
> > 
> > by using either 28.636 or 29.5 I now get no "signal over range".
> 
> The right value for a Rage XL is 29.5 MHz.

Marius, thank you, I figured it out already.
Here's the winning xorg.conf: http://seis.bris.ac.uk/~mexas/freebsd/xorg.conf
in case somebody else might be using this hardware.

Also, could you comment on Warren's suggestion of Radeon 7000?
Do you think it might work on blade 1500?

many thanks as always

anton

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423