Color depth adjustment -- running OS 9

Dear All,
OK. This is all about running a special image processing software under OS 9. It requires 256 colors (yes written in 90's). I used to be able to do this with the control panel -- Monitors, which allows me to select among a number of resolutions and color depths. This includes my last laptop -- an iBook G3.
Now that I moved to TiBook G4, I thought I am able to do this too. But, it won't allow me! The only color depth is millions and resolution is 1280x854. Strangely, when I boot it into OS 10.4.11, I CAN switch among the several color depths and resolutions, including 256 colors!
Why is it that I can change the color depth when boot into 10.4.11, but not able to change it when boot into OS 9.2.2? Is there something missing in my OS 9 system folder?
I hate to return back to run in classic now that I am able to boot in OS 9...

Hi again, ycchen. See my last post in your other recent thread here, in which I suggested that there might be limitations on the capabilities of your copied OS 9.2.2. I suspect that this is one of them, and that it's because you don't have the right OS 9 driver for your Powerbook's video "card" (which isn't actually a separate card, but video circuitry soldered to the logic board). OS X includes drivers for all Apple's video processors, but a standard OS 9 installation on any given Mac includes only the driver for that machine's video processor. The OS 9 installer disc identifies the processor and installs only the right driver for it. Your installation of OS 9 for the iBook contained only the driver for the iBook's video processor, and not the one for the Tibook's.
My own 1GHz Tibook contains a bootable OS 9.2.2 installed from the Tibook's original Install/Restore DVD, and my OS 9 Monitors control panel looks like this:
http://i493.photobucket.com/albums/rr300/ewweber/Picture1.jpg

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well there are a couple of things that i can spot. first in your monitor section there are no vertical or horizontal refresh rates. like so:
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Minor correction... I called my GPU the FireGL, which is the old market name.. The current, proper market name is FirePro.. same line, just new branding after AMD purchased ATI.

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Hi,
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Last edited by skottish (2008-03-09 03:15:11)

Won't work on a running X session, and has the same effect as the aforementioned xorg.conf file if run before starting X.
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I've googled around and tried it all:
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All answers and feedback are very much appreciated!
Many thanks
Frank

Hello Frank,
Thanks for your feedback and the test.
I still recommend you to check the local group policy setting “Limit maximum color depth” on the Terminal Server side. Based on your description of Group Policy Object Editor, I suspect the loss of Terminal Services folder is caused by system.adm file not loaded successfully. Please try to fix it via the following steps:
1.     Open Group Policy Object Editor (run “gpedit.msc”) on the terminal server.
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4.     Click Add button.
5.     In the next phase, it is Windows\inf folder, if it is not, please navigate to the folder. Select system.adm file and click Open.
6.     Check if the Terminal Services folder appears under Windows Components now.
Thanks for your cooperation and we’re looking forwards to the result. Thanks.
Regards,
·         Lionel Chen

Color depth adjustment -- running OS 9

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