System 80 DSE X-4018 Lowercase Option Kit Instructions

[ChickenMan]

Thanks to GeorgeK for providing quality scans of this instruction document. A double sided single page A4 document that was converted to a searchable PDF's as usual.

With the original System 80 Character ROM delivering an UPPER case font only, the X-4018 kit was produced to modify the computer to have both UPPER and lower case font available. This document shows the modifications needed to the interface board and its installation.  Also has the modifications to CPU Board for the new EPROM with Keyboard and Video Patch Option.

So in the Vintage Repository in the System-80\Documentation\Manuals folder we placed

dse_x-4018_lowercase_option_kit_instructions.pdf