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- Path: rapidnet.com!wblock
- From: wblock@rapidnet.com (Warren Block)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: CV64 problems
- Date: 18 Feb 1996 00:16:24 GMT
- Organization: RapidNet
- Message-ID: <4g5r4o$5uo@rapidnet.com>
- References: <3111F76E.1E65@brunel.ac.uk> <4eu8gn$oag@newsstand.cit.cornell.edu> <3114A0E3.6408@brunel.ac.uk> <4f8smq$s47@thunder.mgl.ca> <4fe5q1$l9u@fcnews.fc.hp.com> <311B2740.1E11@brunel.ac.uk> <4fg70i$akj@fcnews.fc.hp.com>
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- Tom Kennedy (tomk@fc.hp.com) wrote:
-
- [Ghosting on CV64]
-
- : Here's an easy way to reproduce the problem I see: go into a paint
- : program that works with graphics cards (there was one included with
- : the Aminet 7 CD, or you could use a mac paint program with
- : shapeshifter). Now draw a black box on the screen. Inside the black
- : box, draw a blue box (R:0 G:0 B:255). You'll see the first column of
- : blue is brighter then the rest (any time my CV64 goes from a dark
- : color to any bright color it overshoots the bright color for ~1
- : pixel. However, light to dark is not a problem).
-
- : Please try this and let me know what happens. It *could* just be the
- : fault of the 1950...
-
- Doubtful, because ghosting has also been reported on Sony and Idek monitors.
-
- : then again, it could be the CV64's DAC (appears
- : to be under damped -- someone else said S3 chipsets are often over
- : damped, so maybe S3 chipset are just real inconsistent...) Hmm... I
- : guess if the problem is an under dampt signal I could hack a circuit
- : together to correct it... (maybe I should just feel lucky it's not
- : over damped :)
-
- If you come up with a solution for this, please post it. Better yet,
- please send me a copy email, so I can include it in the A4K Hardware Guide.
- For that matter, I still don't have a board reference section for the
- CV64. Would you be interested in doing one?
-
- Thanks!
-
- --
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- | Warren R. Block * New EMail Address: wblock@rapidnet.com |
- | Rapid City SD USA * Brought to you in majestic INEMASCOP! |
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