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Author Topic: IGT S+ 10mhz and 16mhz board pictures  (Read 1861 times)

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Offline knagl

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IGT S+ 10mhz and 16mhz board pictures
« on: April 11, 2014, 05:39:52 PM »
Thanks to therockinelvis for these pictures, attached for reference are pictures of an IGT S+ 10mhz MPU board and an IGT S+ 16mhz MPU board.

Either board may be used in an S+ machine, however the 16mhz board requires a SP (REEL) chip that is designated as being compatible with a 16mhz board.

There is no particular advantage to using a 16mhz board on an S+ machine, and a couple of disadvantages:
  • 16mhz boards do not have physical volume controls (the little blue potentiometer dial on the edge of the 10mhz board) -- volume changes are done through the self-test menus.

  • 16mhz boards produce a small static noise from the machine's speaker when the machine is idle.  While this noise isn't noticeable in a noisy casino environment, it can be heard fairly easily in a quiet home environment.  As such, a 10mhz board is generally recommended for home use.

Note, however, that some S+ machines, typically those with special features such as Barcrest games (Top Dollar, Pinball, Hit the Top, etc.), require the use of a 16mhz board and chips.

Top picture, 10mhz.  Bottom picture, 16mhz.  Note that the 16mhz board does not have the blue volume dial, nor does it have the bank of DIP switches that the 10mhz board has.
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