IBM 3270 Maintenance Manual page 117

3-90-20
1. Press 0 or 1 to choose the test you want, and
then press Enter. A menu similar to the one
below will appear on your screen.
2. Follow the instructions on the screen to
select the device(s) you want to test, or press
Enter to test all installed devices.
Note: Depending on where your option is
located, you should run the system board or
expansion board tests in addition to the other
item(s) you select to test.
1 - S SYSTEM BOARD
2 - S 384KB MEMORY
3 - S KEYBOARD/TIMER
6 - S 1 DISKETTE DRI
9 - S PRINTER ADAPT
OR PRESS ENTER TO SELECT ALL OPTIONS
?
DID YOU SELECT A SINGLE DEVICE TO
TEST?
YES Go to the appropriate PIC for the device
you are testing.
NO You are testing more than one device. If
you receive an error message, refer to the
PIC corresponding to the error message.
If you do not receive an error message,
you may have an intermittent problem.
Start an error log (see Section 2 for
details) and rerun the diagnostics to try to
find an error symptom. Then go to the
Diagnostic Error Chart on page 3-95-1.
Maintenance Information