IBM RT PC Manual To Operations page 85

TNL SN20-9870 (May 1987) to 75X0178
Note: If you have changed your configurations since the
previous session or if a component is malfunctioning, the TEST
OPTION menu displays. This is followed by the DIAGNOSTIC
TEST LIST menu. Follow the instructions.
7. The DIAGNOSTIC SELECTION menu displays.
8. Choose the RT PC Megapel Processor And Printer Adapter In Slot X
Checkout.
9. When prompted, change diskettes in drive A. The TEST METHOD
SELECTION menu will display.
10. Choose, Run Test One Time.
11. The screen is blank for 1 to 2 minutes while the diagnostics check the
Megapel adapter and, if the port is enabled, the printer port. When the
diagnostics finish, the message Testing The Megapel Processor And
Printer Adapter displays.
12. The system is now ready to display the Crosshatch Pattern. Press Enter.
13. The Crosshatch Pattern displays. Follow the displayed instructions to
check the adjustment of the IBM 5081 interactive display and the
adjustment of all attached view-only displays. The interactive display is
connected directly to the Megapel adapter.
14. If adjustment is needed refer to appendix A, "IBM 5081 Color Graphics
Display Test Patterns" in the IBM RT PC Problem Determination
Guide. If adjustment is necessary, each display in the series should be
adjusted one after the other starting with the interactive display.
15. Press End when all of the displays are adjusted correctly.
16. A message displays asking if the IBM 5081 display is adjusted correctly.
If the answer is no, type the number 2 and press Enter. A Service
Request Number (SRN) displays. Follow the instructions.
3-20 mM RT PC Guide To Operations