TI 990 architecture / was Re: TI-99/4A Floppies

[Allison]

>
>Subject: Re: TI 990 architecture / was Re: TI-99/4A Floppies
>   From: Dave McGuire <mcguire at neurotica.com>
>   Date: Wed, 03 Oct 2007 12:48:37 -0400
>     To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org>
>
>On Oct 2, 2007, at 3:47 PM, Martin Scott Goldberg wrote:
>>> There are really three 99/4 home computers, original with chiclet  
>>> keys, the
>>> second and most common with a really nice keyboard and the whie  
>>> version that
>>> is really the same thing with a few board level cost reductions.
>>
>> Actually, there's one TI-99/4 and two TI-99/4a models.
>
>   What are the differences between them, does anyone know offhand?
>
>         -Dave

There are really three 99/4 home computers: 

 original with chiclet keys the 99/4

 the second and most common with a really nice keyboard 99/4a

 the white console version that is really the same thing with 
 a few board level cost reductions. (still 99/4A on the back)


Allison