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located at positions 2E, 5E, and 6E.
PHANTOM MEMORY
The RAM-16-A board can be used with some area of ROM superimposed
over the address region of the board.
If the PH jumper (near
location 4E) is installed, then a memory reference to the board
will be inhibited if the backplane signal PHANTOM (motherboard
pin 67) is LOW.
Do not connect the PH jumper unless you intend
to use this feature.
23
North Star 16K RAM BOARD
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