(Topic ID: 265344)

Verifying ROMs

By oldschoolbob

4 years ago



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    #4 4 years ago
    Quoted from oldschoolbob:

    The original ROMs are 9316A's.
    Now I understand why you need to change the jumpers when you use 2716 EPROMs.
    My programer is a GQ-4x4. Where can I get an adapter?
    Or can I get files for the 9316A's. It's a Super Sonic game.
    Thanks
    Bob

    the burner probably does not support that device so a pin out adapter would need to be built to convert it to a more common 2716. basically an adpater that shuffles around the pins that are in laid out differently.
    Untitled (resized).pngUntitled (resized).pngLooks like the micro electronic's data sheet 9316A pinout picture has P2 labeled wrong, should be A6 not A8.
    download (resized).pngdownload (resized).png

    pin: 2716 9316
    21 Vpp(high=read) CS(active-low)
    20 OE(active-low) CS(active low)
    18 CE(active-low) CS(ACTIVE HIGH)

    Some more info here
    https://www.mikesarcade.com/cgi-bin/spies.cgi?action=url&type=info&page=9316.txt

    #8 4 years ago

    I always converted every board to use a 2732 at U2 and U6 and trash canned the 9316. 2732 is the largest memory size that easily fits so all games are supported without changing jumpers. 2732 are the most common flavor of old ROMs that are compatible with that MPU.

    Makes it easier to swap boards around if you want to.

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