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Re: HELP: Pvga1/512k in 800x600 mode???

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Date: Thursday, August 20, 1992 - 3:55 pm

cole@concert.net (Derrick C. Cole) writes:
|> arvola@tnclus.tele.nokia.fi writes:
|> >
|> >Hi,
|> >        i have paradise 1024 (pvga1, 512k mem). It works fine
|> >        with X Windows in 640 x 480 mode. Does anybody
|> >        configure it to higher resolution ( e.g 800x600 with 16 colors)?.
|> 
|> Please post any replies, as I can't get 800x600x256 with my paradise
|> vga1024i with 512k (640x480x256 was ok, until I blew away my Xconfig
|> file...)

I tried posting this before, but it didn't seem to work the first time.  I
don't know why we can't get 800x600x256, given that I have memory for a
virtual screen of 864x606.  My guess it has something to do with the clock
speed, but I have no idea.  I do know that my Paradise board offers no
standard 800x600x256 setting, so my guess it that the Paradise engineers
couldn't get it to work, either.  Here's the setting for a reasonable
resolution better than VGA resolution (720x540) and also for 640x480 (both
with 28Mhz clock):

"640x480" 28 640 656 744 824 480 499 512 523
"720x540" 28 720 736 824 928 540 559 570 588

Hope this works.  One other question.  My clocks are 25, 28, and 36 Mhz.  I
have not suceeded in getting anything reasonable (even 640x480) with the 36Mhz
clock. Has anyone else had any luck in this regard? 

Thanks,
Pat

-- 
Patrick R. Brown    (914) 385-1553      Email   | pbrown@brownpr.kgn.ibm.com
IBM Graphics Systems, Kingston, NY    Addresses | pbrown@vnet.ibm.com
==============================================================================
     "Free software is not the same as free beer."  -- Richard Stallman
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Re: HELP: Pvga1/512k in 800x600 mode???, Patrick R. Brown, (Thu Aug 20, 3:55 pm)
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