>> Both 11/23 and the 11/23+ have 22-bit
addresses. Only very
>> early revisions of the 11/23 board had 18 bit.
If memory serves me, there was a significant interval where the 11/23 BOARD
had 22-bit addressing, but the standard backplane/chassis only had 18 bits
wired. Been about twenty years, and I am doing this from memory.
Wonder what ever happended to Ralph Stammerjohn.....????