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connecting these pins to ground will help reduce excessive
ground noise on some S-100 computers.
R22. Configure the 14-pin DIP header for location 7D as follows:
A. Connect pin 1 to pins 2 and 3.
B. Connect pin 6 to pin 7.
This configuration of the header is for use of the RAM-16-A
board with a Z80 or Z80A microprocessor in an application
where bank switching is not needed.
For 8080 and/or bank
switching use, configure the header as described in the
Configuration and Using Bank switching sections.
R23. If this board is to be used with a processor board which
sources POC/ (bus pin 99) as an indication that the
processor is being reset (e.g., North Star, Imsai, vector
Graphics, Processor Technology) then skip this step.
For
use with other processors (e.g., Altair 8800), cut the trace
conn~cting
3C pin 5 with 3C pin 4 on the solder side of the
board, and add a jumper between PRESET/ (bus pin 75) and 3C
pin 4 on the component side of the board.
The assembly of the RAM-16-A board (less parity option) is now
complete.
Proceed to the checkout section.
North Star 16K RAM Board
14
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