>I have an old projector that only accepts a screen resolution of 640x480at 60 mhz. I want to connect a G3 Powerbook to it that is running OS 9.2.2 but does not have that resolution as an option. Is there something I can do to get these two pieces of equipment to work together? Should I take the laptop to a lower OS? Is this laptop capable of showing that resolution? Any solutions would be welcome. Thanks.
Laptops are much more structured in how they can display a screen. They don't have anywhere near as much flexability as a CRT.
Indeed. One of the reasons laptop LCDs have lower resolutions is to accomodate mirroring to external video displays. Make sure you aren't trying to mirror but are using the projector as a second display (if possible).
What you can do is check the Monitors control panel. There should be an option for displaying the Recommended resolutions, and that popup *may* have a choice for displaying ALL resolutions.
If it does, pick all, and then see if the 640x480 60Hz is listed. Be aware that this may cause there to be nothing displayed on the laptop screen while it is in that mode.
60Hz is likely a problem. Mac video cards as a rule start at 67Hz vertical sync and go up from there.
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