Re: PGX24 graphics on a Sun Ultra 5

Ken Plumley wrote:
> Can someone tell me what versions of Linux support
> PGX24 graphics on a Sun Ultra 5 and how to get PGX24
> working?
> 
> I just got an Ultra 5, 270Mhz with a 21†Sun
> GDM-5010PT monitor. I installed RedHat SPARC/Linux 6.2
> on it. It’s running good except the graphics is poor
> quality. I think it may be running PGX graphics in 8
> bit mode.

> I ran Xconfigurator and PCI probing finds:
> PCI Entry: ATI 3D Rage Pro 215GP
> Xserver: Mach64 

> Under monitor setup the Sun GDM-5010PT monitor is not
> listed so I selected the option for Sun 21-inch N3.

> Xconfigurator set the default video mode to:
> Color Depth: 32 bits per pixel
> Resolution: 1152x864

> I have read that Solaris allows changing PGX graphics
> mode between 8 bit mode or 24 bit mode. Is there a way
> to change graphics mode from 8 bit to 24 bit running
> Linux?

It could be that it doesn't have enough memory for 32-bit
mode.  I vaguely remember that some of the first
generation Ultra5s only had enough to use 16-bit mode.

You should take a look at the output of the X server when
you run it.  (There might be a copy in /var/log, or you
can just run "X 2> LOG" as root and look at LOG.)  Somewhere
in the output it should tell you why it chose a different
mode.


Steve
[email protected]