![](http://pdfasset.owneriq.net/a/39/a39c99a0-4b0f-4fa3-9f16-7c3473959d5c/a39c99a0-4b0f-4fa3-9f16-7c3473959d5c-bg16.png)
6
Touch Test System, then select Mainframe Test in the pop-up menu.
The screen will display the Mainframe Test menu.
7
Select Option Board Test, then select Run.
If an HP 16501A expansion frame is not connected, then expect a "No
Expansion Card Present" message to appear when you run the Option Board
Test. Refer to the
HP 16500B/16501A Service Guide
for more information
about the expansion frame.
Servicing the Interface Module
Verify the Interface Module Performance
3-5