pubpc1@library.ucla.edu wrote: : in the cache make up 64K (it used to be set at 64K). The problem was, : it would not run stable. When I reset the DIP switch configuration to : 16K of cache (even though the chips were still 64K w/all 4 sockets filled), : the board became very stable. Switch it to 32K. I'll bet it's still stable. Wily