IBM 3112, Service Manual

Page: 61 / 184

bh1s.bk : bh1saids.doc 45 Thu Apr 20 12:42:16 1995
Diagnostic Aids
45
Maintenance Kit Count
This non-displayed counter must be reset after the maintenance kit
is replaced to prevent the [80 Scheduled Maintenance] message
from displaying when the machine is turned on.
1. Enter Diagnostics mode.
2. Select [PAGE COUNTS].
3. Select [Maintenance Count].
4. Select [Reset] to set the count back to “0”.
5. Press Return to return to the Diagnostics mode main menu. See
“Usage Kit Information” on page 119.
Memory Tests
1. Enter Diagnostics mode.
2. Select HARDWARE TESTS].
3. Select [Memory Test].
4. Select either [DRAM] or [ROM].
5. Select [Single] or [Continuous].
6. The display will indicate [PASSED], or [FAILED].
7. Select [CANCEL] to stop continuous memory test.
8. Press Return to return to Diagnostics mode main menu.
Page Count
To view or set the page count:
1. Enter Diagnostics mode.
2. Select [PAGE COUNTS].
3. Select [Page Count].
4. Choose any number between 0000000 and 9999999 by
Selecting [Next] to move the cursor under each digit. Select [+]
or [-] to select the number you want in each digit.
5. Select [SAVE] to save the page count displayed.