Epson 386/33 PLUS User Manual
System diagnostic tests (continued)
Component
Video
Page selection*
Tests the paging function of
(continued)
the adapter
Color’
Tests the background and
border color mapping
640 x 350 graphics*
Tests the 640 x 350 graphics
display
640 x 480 graphics’
Tests the 640 x 480 graphics
display
I
Printer adapter
See ‘Miscellaneous
Comm. adapter
Diagnostics’
l
Test appears only if you have installed a color monitor.
Tests
Function
Memory Diagnostics
If you have relocated any memory addresses, you must change
the addresses to their original locations before running the
memory tests or they will not work properly. If an error occurs
during a memory test, the program displays this message:
Press <Enter> to view faulty memory chip.
Press
The program displays a diagram of the main
system board and highlights the faulty memory chip.
B-12
Performing System Diagnostics