Path: utzoo!utgpu!watserv1!watmath!att!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!julius.cs.uiuc.edu!psuvax1!rutgers!cbmvax!hood
From: hood@cbmvax.commodore.com (Scott Hood)
Newsgroups: comp.sys.amiga
Subject: Re: Amiga 3000UX graphics
Keywords: TIGA, fast, 24bit
Message-ID: <15930@cbmvax.commodore.com>
Date: 18 Nov 90 01:33:03 GMT
References: <1861@sirius.ucs.adelaide.edu.au>
Reply-To: hood@cbmvax.commodore.com (Scott Hood)
Organization: Commodore, West Chester, PA
Lines: 59

In article <1861@sirius.ucs.adelaide.edu.au> arutherf@ucs.adelaide.edu.au (Andrew Rutherford) writes:
>I have noticed many people commenting on advertised multi-colour graphics
>  screens on UNIX but only getting black & white in demo machines. Well, approx
>  a month back I went to a demo here in South Australia, and was told there was
>  a 24bit TIGA (Texas Instruments Graphics Architecture) board that had
>  unfortunatly just been taken back to Sydney (great move, just before the
>  official SA demo in front of half the systems people from Adelaide Uni.. I
>  think they've all gone of the Amy now :-( ). Anyway, the flyer says the
>  following:
>
>2410 High Resolution Colour Graphics Card
>
>This is a high resolution colour graphics card, for the Commodore Amiga 2000 and
>3000 computers. This graphics card is based on a Texas Instruments Graphics
>Architecture (TIGA) processor. The card couples the graphics system processor
>with frame buffer and program/data memory, a palette chip and DMA circuit for
>high speed data transfer between the graphics card and the AMiga. This card
>works with the 1950 Monitor and XWindows under Unix. No AmigaDOS drivers are
>supplied at this time.
>
>Note it doesn't specify resolution or depth, but we were told 24 bits.
>It only works with Amiga UNIX at this time.
>The fact that it has a number and the C= rep's said they had it indicates it's
>  not vapourware, but was in short supply a month back.
>
>Hope this helps,
>		Andrew.
>
>--
>Andrew Rutherford			arutherf@sirius.ucs.adelaide.edu.au
>+61 8 228 4782		Real Programmers always confuse Christmas and Halloween
>				because OCT 31 == DEC 25 !

The A2410 Hires graphics card has a TI34010 on it and as stated above
uses the TIGA software.  The display is programmable and the most likely
off the self resolutions that will be available are:
1024x768: 256 on screen colors out of a palette of 16.8 million (24-bit)
1024x1024:  "    "       "           "               "           "
800x600:   "          "          "            "          "
640x480 (interlaced NTSC):       "              "         "         "
 
Note that the A2410 also can have three overlay planes on top of the 256
on-screen colors for three more on-screen colors.  The UNIX software can
directly use this board for color X-windows applications which makes for
a very nice display.
You can use this card with the 1950 monitor but only with the 800x600 or
lower display resolutions.  The other higher resolutions require
something like a NEC 4D or 5D monitor.

I hope this helps..

Regards,
Scott Hood

-- 
--
Scott Hood, Hardware Design Engineer (A3000 Crew),  Commodore-Amiga, Inc.
   {uunet|pyramid|rutgers}!cbmvax!hood   hood@cbmvax.cbm.commodore.com
  "The views expressed here are not necessarily those of my employer!"