PDP-11/03, LSI-11 KEV11-C CIS option
Brian L. Stuart
blstuart at bellsouth.net
Sun Jan 31 13:51:57 CST 2016
On Sat, 1/30/16, Eric Smith <spacewar at gmail.com> wrote:
> Does anyone have a PDP-11/03 or LSI-11 with the KEV11-C CIS
> (Commercial Instruction Set) option? It may have also been known as
> DIS (Dibol Instruction Set). It apparently consists of two microcode
> ROM chips (MICROMs), 23-004B5 and 23-005B5.
Eric,
It turns out my quad height LSI-11 card has the 23-004B5 and 23-005B5
chips on it. The full markings are:
DEC
3025D
23-004B5
8030 B
and
DEC 3026 D (or maybe B)
23-005B5
8015 C
I'll be glad to loan them to you for the good of the community and history.
BLS
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