Additional Pictures 


The sales box of the PS-9000 Back-Up Memory Module sold around 1993 in the US.

This PS-9000 Back-Up Memory Module was manufactured in June 1993 by 
Texas Instruments in Italy (Date code RCI 210693 June 21, 1993).

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, October 23, 2009. No reprints without written permission.