> This works fine when viewing the screen of a G4 on a Powerbook G3. It also
>worked fine viewing the screen of the G3, back when it had its monitor. But
>now that the monitor is gone (I need it for the G4), all I get is a postage
>stamp size window with an arrow cursor in it and some other tiny things.
The G3 has detected that the monitor is disconnected - I'm actually
surprised that you get any screen at all. What you need to do is make a
dummy plug that will fool the G3 into thinking that a monitor is connected.
I suggest that the best way is to use the 'old mac' sensing system that
uses the larger 15pin (2row) D connector (IIRC the G# comes with a VGA
connector and an adapter for older Mac monitors).
Link the following pins :
Mode Link
13" (640x480) pin 4 to Gnd
21" (1024x768) pin 10 to Gnd
These give a fixed resolution, Gnd is Pin 11 (amongst others).
For multisync, link pins 10 and 7 :
Directly (wire) gives 13", up to 832x624
With a diode (10 -|<|- 7) gives 17", up to 1024x768
With a diode (10 -|>|- 7) gives 21", up to 1152x870
For multisync monitors, the default is to select the highest resolution
when first connected, but after that it will remember the user setting.
Simon
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