At 2:45 PM -0700 5/25/00, Guy Santiglia wrote:

:)Who would know more about that?  this open firmware is a mystery to me.
:)I booted from  The MacOS 9 CD and it came up in a higher resolution,
:)then rebooted into BSD and it was still 640x480. :(

You mentioned you have an 8600, right?  OpenFirmware 1.0.5 *only* supports
640x480 resolutions.  Unless you know how to program forth to manually set
the video clock speeds higher, you're stuck.

See
<http://www.netbsd.org/Ports/macppc/SystemDisk-tutorial/of105patch.html>
for an example of how to set up the clock signals.  The code in this was
written by one of the Copland developers to set the OF 1.0.5 to always come
up in 640x480 at 60 Hz as opposed to 120 Hz or some othe random frequency.

At 2:51 PM -0700 5/25/00, Bill Studenmund wrote:

:)> [a list appears showing lots of nice video modes, all disabled except for
:)> the current one, set in MacOS...]
:)>
:)>     set-mode XX
:)>
:)>         error : mode is disabled
:)
:)Someone (was it you?) described how the enable-mode command will enable
:)modes.

That was me.  Sorry, I had posted that info off-line.  On my powerbook
2000, everything but the current resoluation is listed as disabled.  One of
the OF 'words' available in 'dev screen' is 'enable-videomode'.  With this,
you can tell it to enable one of the other video modes.  Then use
'set-mode'.  On my machine, the LCD turns off wheveter I run 'set-mode' to
anything (even the current mode).  Since you don't have an LCD, it might
work properly.

I further found that if I power cycle my machine (to get the LCD working
again), it has returned to the original resolution.  Bill suggested writing
an nvramrc script to automatically run these commands to change resolution
on each start-up.  In a few days, I'll be posting this info to the macppc
FAQ (even though it doesn't work on any machine at my disposal).

Let me know if you get it working or not.

  -- MW