TI Insight 10

From: Frank Schickel <schickel_at_psln.com>
Date: Sun Apr 14 21:48:04 2002

   Actually, the /4A used a different video chip. The one used in the
original /4 was a TMS9918, the /4A used the TMS9918A, which added a
192x256 pixel bit mapped mode.

     (Who subscribes to the 99/4A mailing list, too, since I still
     have my original 99/4A)

Sellam Ismail wrote:

> From my understanding, the TI-99/4 and 99/4a are the same save for the
> keyboard.
> Are there any motherboard differences? I wouldn't think so.
> Sellam Ismail Vintage Computer Festival
Received on Sun Apr 14 2002 - 21:48:04 BST

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