Test Results; Description Of Tests; Rom; Ram - Kurzweil Mark Pro 2i Service Manual

Mark Pro TWOi

Test Results

At the completion of an individual test, the segment displays the test results. An expected.
Result is
Figure 3-5

Description of Tests

ROM

This test checks the software data (engine, boot, and setups ) stored in
Flash ROM on the Engine Board.

RAM

The RAM test writes to the microprocessor RAM space and verifies that the
write was successful. A failure of this test may indicate a problem with the
RAM or related circuitry in the Engine Board.
MARA
This test performs a read-write of the MARA registers and verifies that the data written can be
read back successfully. A failure of this test may indicate a problem with a MARA, related
circuitry or the Engine Board.
Sound ROM
This test confirms that the Sound ROMs can be read by the MARA by performing a checksum of
the Sound ROMs. The computed checksum is then compared to the stored checksum. A failure
of this test may indicate a problem with a Sound ROM (U47), or the Engine Board.
means passed,
segment example, Test results
28
means failed.