On the 8500 it is /chaos/control and it will switch to the closes
resolution that will work.  On the 7200 you are going to need to use an
external machine on the serial port because they can't display OF to
their screens.

wes

~~~~wesman@gladstone.uoregon.edu~~~~~~~~~~NeXTMail OK!~~~~~~~~~~~~~~~~
Vax  a vicious creature known to eat 110AC and quotes through its 
*DCL*.  Vax are usually found in groups of Vaxen called clusters where 
they lay in wait to ravage thier prey known as users.

On Mon, 5 Oct 1998, Michael Wolfson wrote:

> Date: Mon, 5 Oct 1998 11:56:26 -0400
> From: Michael Wolfson <mw34@cornell.edu>
> To: port-macppc@netbsd.org
> Subject: problems with 8500 and 7200
> 
> Well, the PowerMac 7200/90 starts to have problems really early.  I can't
> get it to boot off the bootfloppy-980715.image
> 
> 0 > boot fd:0
> RESETing to change Configuration!
> DEFAULT CATCH!, code=FFF00400
> 
> Open Firmware, 1.0.5
> To continue booting the MacOS type:
> BYE<return>
> To continue booting from the default boot device type:
> BOOT<return>
> boot fd:0CLAIM failed
>  ok
> 0 >
> 
> 
> I realize it's not on the list of supported machines, but it *is* PCI and
> has Open Firmware.  Is it because the 7200 has a 601?
> 
> I actually got my 8500/132 to boot off the floppy and install onto a hard
> drive.
> Very cool.
> 
> One thing I noticed was that when trying to run pppd (with hardware
> handshaking enabled), I received a lot of the following message and
> abyssmal performance:
> 
> Oct  4 09:52:35 tosh /netbsd: zstty1: 2 silo overflows, 0 ibuf floods
> Oct  4 09:52:35 tosh /netbsd: zstty1: 2 silo overflows, 0 ibuf floods
> 
> Also, the serial console I was using (PB5300) seemed to sputter every few
> minutes and hang for ~1/2 minute before continuing with what it was doing.
> Perhaps the two are connected?
> 
> Lastly a question unrelated to NetBSD, but something y'all might know:
> What Open Firmware device should I be using to enable the internal display
> on the 7200 and 8500?  I tried /bandit/@D for the 7200 and it just beeped.
> On the 8500, I tried /chaos/control, and it sent garbage to my monitor (I
> have a fixed frequency 2-page display attached, and it does enable the
> correct sense-lines), presumably at 640x480.
> 
> Any suggestions?
> 
> Thanks!
> 
>   -- MW
> 
>