DIAGNOSTIC FIRMWARE GUIDE
M68CPU32BUG/D REV 1
6-11
MT
Memory Tests
MT
6.5 MEMORY TESTS (MT)
The memory tests are a series of diagnostics which verify random access memory (read/write)
that may or may not reside on the M68300EVS evaluation system. Default is the BCC on-board
RAM. To test off-board RAM, change Start and Stop Addresses per MT B and MT C as
described in the following paragraphs. Memory tests are listed in Table 6-2.
NOTE
If one or more memory tests are attempted at an address where there is no
memory, a bus error message appears, giving the details of the problem.
Table 6-2. Memory Diagnostic Tests
MONITOR COMMAND
TITLE
MT A
Set Function Code
MT B
Set Start Address
MT C
Set Stop Address
MT D
Set Bus Data Width
MT E
March Address Test
MT F
Walk a Bit Test
MT G
Refresh Test
MT H
Random Byte Test
MT I
Program Test
MT J
TAS Test
The following hardware is required to perform these tests.
•
M68300EVK - Module being tested
•
Video display terminal or host computer
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