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Using the DSP4000 built-in DSP Ram tests

  1. Enter the built-in selftest menu system by holding down key [5] and powering up. Do not release key [5] until you see the message "Hit SELECT to start test...."
  2. Spinning the knob will allow one of a large number of tests to be selected (see Service Manual for more info on these).
  3. The tests relevant to DSP RAM are: DSP0/1 internal ram DSP0/1 static ram DSP0/1 dynamic ram

All these tests show a similar screen display - the example below is that for DSP0 static ram.