Instruction/ maintenance manual of the product G-80 Sega
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Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Sega G-80 Multigame Instruction Manual Version 1.0 Copyright © 1998, Clay Cowgill clayc@diamondmm.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Notice Regarding this Upgrade Warning! Although this upgrade has been tested and the techniques used will not directly cause harm to yo.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill The Sega G-80 Multigame (the “kit”) consists of two assembled printed circuit boards and a replacement PROM.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Press the “release” levers on the edges of the CPU board to eject the card. (This can be very difficult if the card hasn’t been removed in 15 years…) The CPU card looks like this: Locate the EPROM card (it should be the only card without any cables attached to the end).
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Upgrading the CPU card: We’ll be removing four chips from the CPU card. They are: • U15 – a 16 pin PROM • U21 – a 40 pin secu.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Place the replacement PROM in socket U15 so that the notch is pointed towards the end of the CPU card that the red “test” switch is on. The notch should be facing the same direction as the 7400 at U14 and the 7408 at U13.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Try it out: Assuming you now have a game on the screen, coin-up and play around for a minute.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Space Fury Space Fury, with no control changes. You can use this with a Space Fury control panel to play Space Fury. Self Test The self test runs much like a “standard” self test on the G-80.
Sega G-80 Multigame, Version 1.0 Copyright © 1998, Clay Cowgill Technical information: This info is for any of you technical-types that want to make your own speech- switchers, sound switchers, or whatever. You’ll notice that the Daughtercard has an expansion header on it.
An important point after buying a device Sega G-80 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sega G-80 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sega G-80 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sega G-80 you will learn all the available features of the product, as well as information on its operation. The information that you get Sega G-80 will certainly help you make a decision on the purchase.
If you already are a holder of Sega G-80, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sega G-80.
However, one of the most important roles played by the user manual is to help in solving problems with Sega G-80. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sega G-80 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
