
640x350 Graphics Test
This test checks the 640x350 graphics display feature of the EGA display adapter.
This test is available for a color display adapter only.
Video Error Message
DIAG displays the following error message during the Adapter Test:
DISPLAY MEMORY R/W ERRORThe Adapter Test detected a read/write error in the display memory. This indicates a problem with the display controller. Contact your dealer.
Miscellaneous Diagnostics
The tests listed is the Miscellaneous submenu provide a complete diagnostics check of the parallel and serial ports.
Printer Adapter Test
This test checks the parallel port and the printer by sending a pattern to the printer. If the printer does not print the pattern, the test has failed.
38 System Diagnostics