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3.21 Running Test
3.21.1
Function Description
This function automatically executes the following tests in sequence:
1.
System test (subtest number 01)
2.
Memory test (subtest number 01, 02, 04, 06, 07)
3.
Display test (subtest number 01 to 08)
4.
FDD test (subtest number 02)
5.
HDD test (subtest number 01, 05)
6.
Real timer test (subtest number 02)
7.
Printer test (subtest number 03)
8.
Async test (subtest number 01)
The system automatically detects the number of floppy disk drives connected to the T4900CT
for the FDD test.
3.21.2
Operations
CAUTION: Do not forget to load a work disk in the FDD. If a work disk is
not loaded, an error will be generated during the FDD testing.
1.
Remove the diagnostics disk from the floppy disk drive and insert the work disk.
2.
Select 6 from the Diagnostic Menu and press Enter, the following message will be
displayed:
Printer wrap around test (Y/N) ?
Selecting Y (yes) executes the printer wraparound test. A printer wraparound
connector must be connected to the PRT port on the back of the T4900CT to
properly execute this test.
3.
Select Y or N and press Enter. The following message will appear:
Serial #A wrap around test (Y/N) ?
Selecting Y (yes) executes the ASYNC wraparound test. An RS-232-C wrap-
around connector must be connected to the serial port on the back of the
T4900CT to properly execute this test.
T4900CT
3-45
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