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Defender (Pinball) (Williams) ROM Chips:

Price: $18.00 each

Status: Out of Stock
Part #: ROMS077
Condition: New
Replacement ROM chips. Chips come 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.

Select and order above.

Software Revision History for Defender: None (not available, or never published/released by manufacturer).

IMPORTANT NOTES FOR Defender:
  • All ROM chips originally used by the factory in Defender were 2532 EPROM chips. If your boards have been changed to use 2732 EPROM chips in some locations, you can either change jumpers or request a different type of chip (contact us via the link above).
  • A listing of CPU board ROM jumpers and chip types can be found here. Inside cover of your Defender game manual also shows required jumper settings for CPU and Sound ROM chips.
Officially-released Bally & Williams software that we supply are Genuine Bally/Williams Replacement Parts and are supplied with permission of Planetary Pinball Supply, Inc. Each copy includes a $2 non-refundable charge which covers Williams Electronics Games licensing fee and a processing fee. Official terms of software use and licensing can be reviewed here. Your purchase and use of official Bally/Williams software that we provide indicates your acceptance of, and compliance with, the terms in the Williams Software License.

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.

  • Ask a question about this item

    Used In 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: Defender

  • $8.79 One-Rate Shipping in U.S.! Related Items: On Most Parts Orders (click for details)

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