Running Test - Toshiba T4400SXC Maintenance Manual

3.19 Running Test
3.19.1 Program Description
This running test program 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 te,st (subtest number 01 to 08)
4. FDD test (subtest number 02)
5. Printer test (subtest number 03)
6. Async test (subtest number 01)
7. lIDD test (subtest number 01,05)
8. Real timer test (subtest number 02)
The system automatically chooses the number of floppy disk drives connected to the
T4400SXC for the FDD test.
3.19.2 Operations
3-42
II
CA UTION: Do not forget to load a work disk in the FDD.
If
a work disk is not
I
II
loaded, an error will be generated during the FDD testing.
1. Remove the diagnostics disk from the floppy disk drive and insert the working
disk.
2. Select 6 from the Diagnostic Menu and press Enter, the following message will
be displayed:
Printer wrap around test (Y/N)
?
Selecting Yes executes the printer wraparound test. A printer wraparound
connector must be connected to the PRTIFDD port on the back of the T4400SXC
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
Yes
executes the ASYNC wraparound test. An RS-232-C wraparound
connector must be connected to the RS-232-C port on the back of the
T4400SXC to properly execute this test.
4.
Select
Y
or N and press
Enter
to start the test.
5. This program is executed continuously. To terminate the program, press
Ctrl+Break.