Atari 400 48k Memory Upgrade For Sale

Atari 400 48k Memory Upgrade


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Atari 400 48k Memory Upgrade:
$29.95

The Atari 400 shipped with 16k of RAM. While adequate at that time, most Atari applications and games require at least 48k of RAM. This card replaces your RAM card and upgrades your Atari 400's main memory to a full 48k of RAM.Instructions:
This upgrade requires your Atari 400 be disassembled, four jumper wires be soldered to the underside of the main board, and re-assembled. If your Atari 400 was previously upgraded with the Atari 48k RAM Expansion Kit the jumpers should already be installed.
The installation instructions, including the jumper connections are almost identical to the instructions for the Atari 48k RAM Expansion Kit and those instructions can be used and can be found here: note that the instruction differ in that with this board you do not need to "modify" the plastic inside your Atari 400's metal housing.
The images show the 48k upgrade board and the jumper wires to be soldered to the underside of the system board.


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Documentation