Allison wrote:
6bits was the "byte" size for the PDP-8 (swap acc halves).
9bits was the byte size for the PDP-10, I believe IBM360 and CDC6600
12 bits was link-8, PDP-8 and PDP-12 (likely others).
9/18 the pdp7 (first home of unix).
the pdp-10 could use 6/7/9 bits for bytes.
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Ben Franchuk - Dawn * 12/24 bit cpu *
www.jetnet.ab.ca/users/bfranchuk/index.html