This problem has been widely reported in various forms with OS9.1 and
a similar (maybe the same) problem surfaced with the last ATI driver
update for the Rage128/Radeon.
Try searching the MacFixIt forums or you could try the following (or
the equivalent for the Sony monitor) which I saw on the Accelerate
Your Mac website
(<http://www.xlr8yourmac.com/archives/jan01/011501.html>)
>A reader replied to the earlier post with another tip for owners of
>Apple's displays:
>
>" What i did to solve the problem with lost resolution in OS 9.1 was
>simply to reset DDC on my monitor (Studio Display 17') and then
>reset the pram.
>
>1. Enter Studio Displays menu, choose ETC/DDC turn DDC off.
>2. Turn off monitor, then on and set DDC to on.
>3. Reboot computer and reset pram.
>[boot w/Command+Option+P+R keys down, hold until you hear a repeat
>of the startup chime 3 times. check date and time and other pram
>stored control panel settings-Mike]
>
>Voila, it worked perfectly for me.
>
>My computer specs:
>G4 450
>512 Mb RAM
>AGP Radeon (retail)
>DVD-RAM
>Victor Nilsson"
>This is not exactly an Entourage problem, but it sure affects my ability to
>efficiently read e-mail when I don't follow the prescribed work around
>below.
>
>I have a Sony Multiscan 300sf monitor hooked up to a B&W G3 350 MHz, with
>128 MB RAM. I normally use a screen resolution of 1152x870, 75Hz or
>1024x768, 85Hz when my eyes get tired. However after upgrading to OS 9.1
>(from OS 8.6) the only choices I get for monitor resolution are 800x600,
>832x624, and 1280x1024 all at 75Hz. Text and Icons are too large with
>832x634 and too small with 12801024.
>
>I did find out that if I turn the monitor off at the restart bong and then
>back on 3-4 seconds later that the monitor control panel usually gives me
>all of my old choices:
> 640x480, 85Hz
> 800x600, 85Hz
> 832x624, 75Hz
> 1024x768, 85Hz
> 1152x870, 75Hz
> 1280x1024, 75Hz
>
>It seems that my monitor preferences are saved twice with the two choice
>lists and my selections. In whichever mode is comes up in, the last
>selection for that mode is still preserved. After installing software that
>requires a reboot, the monitor list usually reverts to the smaller list
>regardless of what I do. So then I just do a reboot from the Special Menu
>and follow the work around above.
>
>I've tried resetting the PRAM with the 4 finger salute (both with the
>monitor on and the monitor off) with no effect. When I upgraded to OS 9.1 I
>did a complete disk reformat and clean install of OS 9.04 and the downloaded
>OS 9.1 update.
>
>Any wizard have an idea what the problem is here and/or a permanent
>solution.
>
>TIA
>
> Jim Colgate
>
>
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