Non Volatile Storage

A project log for Building a PDP-11

Putting together a minimal LSI-11/23 from boards & parts

Steve TonerSteve Toner 05/21/2018 at 02:230 Comments

Implementing something roughly equivalent to floppy disk storage in terms of size & speed...

Schematic of custom board that interfaces to the DRV11-WA adapter:

Although the schematic shows most parts as 74LS devices, I used what I had (except for the 74LS31s, which I had to order), so U1, U3, U5 & U6 are 74S parts while U2 is a 74F...