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Rocky & Bullwinkle (Data East) ROM Chips:

Price: $18.00 each

Status: In Stock
Selection: (Click to Select)


Part #: ROMS266
Condition: New
Replacement and upgrade 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. Not sure what version you need? Click here for help.

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

Some Data East and early Sega games shipped from the factory with a 1-chip setup or 2-chip setup for ROM chips on the display driver board. Display ROM chips must be ordered and replaced according to the setup you have on your display driver board.

Please see this important tech article to determine which setup you have, and which display ROM chip(s) you need to order.

Upgrading Display ROMs:
  • 2-Chip Setup - Options:

    1. Both chips (ROM0 and ROM1) must be replaced together so that the software version is the same for both chips.
    2. You can convert to the 1-chip setup and order/install just the single chip (ROM0) for the 1-chip setup (requires slight board modification).

  • 1-Chip Setup:

    Only the 1 chip for the 1-chip setup must be replaced (chip ROM0).
All ROMs:
It is strongly recommended that game ROM chip and display ROM chip(s) are the same major revision level to avoid any software incompatibilities. Such as "A4.00" for game ROM, and "A4.00" for display ROM(s), or "A3.01" for game ROM, and "A3.13" for display ROMs, etc. Mixing major revision levels of game and display roms may cause game to not work properly (such as A4.00 game rom with A3.00 display rom.)

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.)
    DATA EAST: Rocky & Bullwinkle

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