Different Versions of Stock TI Expansion Cards

[TI-GAMER]

I finished Cataloging my Software and now I am going through my Hardware...

 

I am going through my PEB Expansion Cards particularly my Stock TI ones and came across one that I have not seen before

 

I have the Stock (Early) Silver Ones

I have the Stock Beige Ones (Textured Finish)

I came across a Stock Beige one today that has a (Smooth non-textured Finish) and have never seen one of these before

 

Is there any information or dates as to when each version came out?

Edited June 20, 2015 by TI-GAMER

[+Ksarul]

I know it was a total hodge-podge of those three types. All of them were in the 1982 to mid-1983 time frame. After them, there were the black metalized plastic ones. I have several of the smooth beige ones--almost all of them are 32K cards. I do think the brushed aluminum came last from the three types though, as it was also the type used on almost all of the TI prototype hardware, right through 1983 (and they were also what TI sold to Myarc for their Personality Cards in 1983/1984). It may be that they were just a total mix of types all along though. . .

[TI-GAMER]

Do the ATA or SERIAL Numbers on the case have anything to do with when they were released?

[+Ksarul]

ATA or LTA are the city of manufacture, followed by a four digit number. The first two digits are the week and the last two are the year.

[TI-GAMER]

That makes sense. Every Silver Case that I had always had the year 82 and after looking at the ones that I currently have, they also say 82. I have never had one that was 83 or later in a Silver Case.