Description
Texas Instruments PocketMate 400 is specified with 64k Bytes, 128k Bytes resp. 256k Bytes - the layout of the printed circuit board (PCB) suggests immediately the technical solution: The PCB accommodates one or two different sized memory chips in a very flexible configuration, this PocketMate 400 hosts two EPSON SRM20100 chips sporting a capacity of 128k Bytes, each.
