Diagnostics
Description of Tests
2-7
SCSI
The LCD shows the following when you select the SCSI test.
Figure 2-6 LCD example, SCSI test
The SCSI tests the functionality of the SCSI ports. This test sets the K2600’s SCSI ID to 7 and
scans the SCSI bus. When it finds a connected SCSI device (such as an internal or external hard
drive) the K2600 writes random data to each block, then checks to see if data has been retained.
Warning: The attempt is made to retain user data on an internal or external hard drive by
saving the contents of each block before testing and restoring it at the completion of the test.
However, it is always wise to back up critical data prior to executing this test.
Failure of this test may indicate a problem with SCSI ID settings, a fault of the SCSI device or
connection, or a problem on the Engine Board.
Note: For more information on SCSI configurations and guidelines, refer to the K2600 Series
Musician’s Reference and Musician’s Guide.
VLSI & ZRAM
The test writes data to the VLSI chip registers and internal RAM, and then confirms that the data
has been retained by these memories. The following lists the areas that are tested. This list does
not, however, correlate to the testing sequence.
Hobbes
• Hobbes time slot data
• Hobbes accumulator store
• Hobbes dither store
• Hobbes output unit-hold register
Janis
• Janis channel registers
• Janis sample cache
ID# scsiType Rest ID# scsiType Rest
0 Not Found !! 4 Not Found !!
1 Not Found !! 5 Not Found !!
2 Not Found !! 6 Not Found !!
3 Not Found !!
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