Pio Loopback Test - Toshiba Satellite M40 Maintenance Manual

3. Tests and Diagnostics
3.5

PIO Loopback Test

The PIO loopback test will check below items through PIO loopback connector.
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External Interrupt
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External Loopback
- including Pattern test, Data Pin test, Control register test & Control pin/ Status pin test.
NOTE: Remember to connect a PIO loopback connector to the computer's printer port
before test begins.
The screen should display as below, indicating whether the test is passed or failed when finished.
[CONFIDENTIAL]
3-8
Manual
Satellite M40X/M45X/Satellite Pro M40X/EQUIUM M40X Series Maintenance
3.5 PIO Loopback Test