Cache Upgrade Kit

This document, titled 'Cache Upgrade Kit' (Order No. MCA20-0-1), provides detailed engineering specifications and print sets for upgrading a non-cache PDP-10 system to a cached configuration (KL10-C). It includes a table of contents listing necessary modules (M8521, M8515, M8514), a parts list, and step-by-step installation instructions including backpanel wiring. Additionally, the document contains deskew procedures for the MA20 and RH20 modules, instruction timing tests (Appendix C), and detailed logic schematics (print set) for the cache directory and data modules.