Refresh Test (Mt G) - Motorola M68CPU32BUG User Manual

MT G
6.5.7 Refresh Test
CPU32Diag>MT G
MT G performs a refresh test from Start Address to Stop Address. The refresh test has been
implemented in this manner:
1. For each memory location:
Write out value $FC84B730.
Verify that the location contains $FC84B730.
Proceed to next memory location.
2. Delay for 500 milliseconds (1/2 second).
3. For each memory location:
Verify that the location contains $FC84B730.
Write out the complement of $FC84B730 ($037B48CF).
Verify that the location contains $037B48CF.
Proceed to next memory location.
4. Delay for 500 milliseconds.
5. For each memory location:
Verify that the location contains $037B48CF.
Write out value $FC84B730.
Verify that the location contains $FC84B730.
Proceed to next memory location.
EXAMPLE
After the command is entered the display should appear as follows:
G MT Refresh Test....................Running ---------->
If an error is encountered, then the memory location and other related information are
displayed.
G MT Refresh Test....................Running ---------->..... FAILED
(error-related information)
If no errors are encountered, then the display appears as follows:
G MT Refresh Test....................Running ----------> PASSED
M68CPU32BUG/D REV 1
Refresh Test
6-19
DIAGNOSTIC FIRMWARE GUIDE
MT G