For those of you that cannot burn your own roms, these are the chips needed to upgrade your Nitro Ground Shaker pinball machine to the latest version, play a different version, or replace missing/damaged roms.
Replaces Bally/Williams part #'s:
NITRO GROUND SHAKER CPU ROM U1 776-17_1
NITRO GROUND SHAKER CPU ROM U2 776-11_2
NITRO GROUND SHAKER CPU ROM U6 720-35_6
NITRO GROUND SHAKER SOUND ROM U4 776-15_4
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Please be aware shipping times are estimates only, NOT a guarantee of delivery time. All carriers still seem to be having occasional issues.