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Alley Cats (Williams) U21 Sound ROM1 L-1 (27128 EPROM):
Price: $18.00 each
Status: In Stock
Part #: ROMS656
Condition: New
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Replacement ROM chip U21 for MPU board, revision L-1. This is a 27128 EPROM chip (28 pins). Replaces Williams part # A-5343-1918-4.
For Rev. A System 11 MPU boards (System 11A), this ROM chip requires the following jumpers to be set: W1, 3, 5, 7.
For Rev. B System 11 MPU boards (System 11B), this ROM chip requires the following jumpers to be set: W1, 3, 5, 7, 9, 11, 12, 13, 14, 16, 17, 18.
See your game manual page 26 for further details.
Chip comes with installation info including a link to online step-by-step instructions (with pictures), and a diagram showing locations of ROM chips in your particular game.
The above software is provided as a service, but is not being sold. Price above reflects the cost of the service to provide the manufacturer-owned software on game-compatible media, and installation instructions for the software that comes on the media. We do not sell or own any manufacturer software.
NOTE: No returns on ROM & Software Updates - all sales final.
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Fits The Following Games: (The list below may not be complete, and it's accuracy is not guaranteed. Contact us if you have any questions.)
WILLIAMS: Alley Cats (shuffle)
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Pinball Parts
