Adding Memory

AM1
Wires at the top left of the breadboard area are for the memory chips and the wires at the right are for the SWTPC PR-40 Printer.

AM2
These are the two chips in the breadboard area added to control the 16k memory chips.

AM3
This shows some of the new 16k memory chips, you needed eight of them for 16k ram

AM4
You can see the eight new 16k memory chips at the bottom of the board.

AM5
A look at the memory-addressing jumper field.