# mac/monitor Q

**URL:** <https://psychtoolbox.discourse.group/t/mac-monitor-q/1776>\
**Category:** Uncategorized\
**Created:** [April 25, 2002, 1:30pm UTC](https://psychtoolbox.discourse.group/t/mac-monitor-q/1776 "2002-04-25T13:30:47Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Allen\_Ingling](https://avatars.discourse-cdn.com/v4/letter/a/a183cd/32.png) [@Allen\_Ingling](https://psychtoolbox.discourse.group/u/Allen_Ingling)\
**Post date:** [April 25, 2002, 1:30pm UTC](https://psychtoolbox.discourse.group/t/mac-monitor-q/1776/1 "2002-04-25T13:30:47Z")

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Hi,  
  
I haven't been using Macs for quite a number of years, so now I some   
feedback on the following question would be really helpful. I found this   
offer for a '97 G3 desktop (266Mhz) CPU, for around 700 euros, that   
interests me. I also have a nice 21" grayscale HP monitor, that wants a   
1280x1024 video signal at 76/72 Hz (H/V), with sync on green. I vaguely   
recall having read about utilities that allow one to control the video   
signal's frequency, but so far haven't found anything. So the question is:   
does such a thing exist and/or do I have any chance of getting this monitor   
to function?  
  
RenE J.V. Bertin  
College de France/LPPA  
11, place Marcelin Berthelot  
75005 Paris, France  
  
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