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Article #1138

DS DRAM Graphics card problem & advice on VRAM

#1138
From: Julian A F Bradbury
Date: Wed, 21 Jun 1995 00:00
30 lines
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Had a faulty Idek 17" VDU, replaced with one seen working ok. Idek & others
are of the opinion that the remaining problem is due to the G.Card, a DS64
2MB *DRAM* which had a very chequered history.

Prob: 1024@72Hz - text has light-patch ghosting after text.
      1280@72Hz - unusable.

     Both @60Hz - matters improve
  Matrox/Orchid - no problem!

             ... so the card is suspected as faulty or not up to it in terms
                 of bandwidth (RAMDAC of 135MHz + DRAM + 1280 = poor mix).

Solution:
- I have the option of exchanging the card for a DS64 Video? VRAM card,
  which I am told will provide a better quality image.

- BUT I have a few questions here! ...

  o  DS64 Video VRAM ok under - Linux & Windows95:347 (Beta) ?
  o  What are the known driver problems ? (long AFAIK)
  o  Are there two RAMDAC versions, 175 & 220MHz, available ?

Many thanks for replies.

(If the card is definately faulty they will replace it, if it's a matter
 of 'well they are just poor at 1280@72' they will replace with a VRAM.)
--
____________________________________________________________________________
Julian A F Bradbury                               Ergonomist & IT Specialist
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From: Julian A F Bradbury <Julian@xabcs.demon.co.uk>
Subject: DS DRAM Graphics card problem & advice on VRAM
Date: 1995/06/21
Message-ID: <138204736wnr@xabcs.demon.co.uk>
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