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X-Listprocessor-Version: 6.0a -- ListProcessor by Anastasios Kotsikonas

To: riscy@sunsite.unc.edu
Subject: X-Listprocessor-Version: 6.0a -- ListProcessor by Anastasios Kotsikonas
From: wolff@dutecai.et.tudelft.nl (Rogier Wolff)
Date: Fri, 19 Nov 93 10:22:47 +0100
Message 28/28  From riscy@sunsite.unc.edu           Nov 19, 93 04:07:42 am -0500

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Date: Fri, 19 Nov 1993 04:07:42 -0500
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To: wolff@dutecai.et.tudelft.nl
Subject: Error Condition Re: Re: Texas Inst. Video Interface Palette chip
X-Listprocessor-Version: 6.0a -- ListProcessor by Anastasios Kotsikonas

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>  The TVP3020 Video Interface Palette (VIP) can display 24-bit true color (16
>  million colors) at a resolution of 1024 x 768 and 16-bit true color (65,000
>  colors) at resolutions up to 1600 x 1280.  

Jeeez.  If you want to advertize "High End" then you need to support more 
than 1024x768 at 24 bits per pixel. To me "High End" is at least 1280x1024,
even at 24 bits per pixel. You don't even need more than 4Mb RAM to 
pull this off....

According to SGS Thompson info I have at 1600x1280@70Hz, you need a video
bandwidth of 1.3 * 1600 * 1280 * 70 = 186Mhz. With three bytes per pixel
you need 560 Mb per second of video data. At 8 bytes per transfer you
get a 70Mhz transfer rate of video data. This is slightly tricky, but
not unusual for high end systems. 


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