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Memory Expansion Port J4 (CBM 8296)

Connector J4 on PCB.

Connection scheme

 50                                             26
 o o o o o o o o o o o o o o o o o o o o o o o o o
 o o o o o o o o o o o o o o o o o o o o o o o o o
 25                                              1

Signal description

  Pin | Signal
  ----+--------
    1 | GND
    2 | BD0
    3 | BD1
    4 | BD2
    5 | BD3
    6 | BD4
    7 | BD5
    8 | BD6
    9 | BD7
   10 | N.C.
   11 | N.C.
   12 | /RAMSEL 9
   13 | /RAMSEL A
   14 | /RAMON
   15 | /SELEXP
   16 | N.C.
   17 | /CS 9
   18 | /CS A
   19 | /CS E
   20 | /NOROM
   21 | /PENSTRB
   22 | /RESET
   23 | READY
   24 | /NMI
   25 | GND
    . |  .
    . |  .
   50 | GND

Note: All pictures show the plug side.

[1] CBM 8296, Nachtrag zum 8096 Handbuch, p.8

Updated: January 23rd, 1998
Created: January 23rd, 1998
Status : NOT VERIFIED!
Site copyright © 1997 by Marc-Jano Knopp
This document is part of MJK's Commodore 64 & LCD Page
Brought back to life by Peter Schepers, Dec 10, 2005 because I really liked this site!