--- Megan <mbg_at_theworld.com> wrote:
> The front panel consists of the following
>
> EA MA INST
> o o o o o o o o o o o o o o o o
>
> MB F E D WC CA B
> o o o o o o o o o o o o o o o o o o
>
> Link AC Ion Par Prot Run
> o o o o o o o o o o o o o o o o o
>
>
> POWER | paddle switches
> SWITCH
>
> - - - - -
>
> The boards hang from the backplane (which is really grimey... can
> someone suggest how to clean it?) and are reachable from under
> the chassis:
>
> Front panel end
> ============================
> M220 M220 M113 M111
> M220 M220 M700 M700
> M220 M220 M216 M115
> M220 M220 M114 M310
> M220 M220 M216 M310
> M220 M220 M111 M310
> M617 M617 M216 M310
> M617 M617 M115 M160
> M160 M160 M119 ----
> M115 M216 M117 ----
> M160 M111 M115 M113
> M160 M113 M117 M111
> M115 M119 M113 M310
> ---- ---- M113 M310
> fan ---- ---- ---- M216
> side ---- ---- M360 M617
> G020 G020 G221 G221
> G020 G020 G221 G221
> G020 G020 memory
> W025 W025 memory
> W025 W025 memory
> G228 G228 G221 G221
> ---- G228 G221 G221
> G624 G624 G228 G228
> G624 G624 M102 ----
> G624 G624 M623 M623
> G785 G785 M115 M623
> ---- ---- M660 M906
> ---- ---- M660 M906
> ---- ---- M707 M707
> M516 ---- M706 M706
> M516 ---- M452 20ma console connecter
> ---- ---- ---- ----
> M111 ---- ---- ----
> ---- ---- ---- ----
> ============================
> fuses, power cord
>
> Megan Gentry
That's a PDP-8/L. I've had one since 1982... no OMNIBUS. The blank
spots are for the 13-bit parity stack (middle section) and for the
high speed punch and reader and bus drivers and cable connectors for
the BM08, etc.
-ethan
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Received on Fri Oct 11 2002 - 12:23:00 BST