Epson Endeavor WG - Manual (Page 120)

System Diagnostic Tests
The table below lists all the System diagnostic tests you can run
on your system.
System diagnostic tests
Device Tests available Description
System Board Checks the system board
components
Numeric Tests the operation of any
Coprocessor built-in math coprocessor
System Checks all memory and displays
Memory a memory count
Diskette Sequential seek Tests the operation of the
Drive(s) check selected diskette drive; requires
B Random seek check a formatted diskette for some
Write, read check tests
Disk change check
Run all above checks
I
Hard Disk
Drive(s)
or
Serial Port(s)
COM2,
COM3, or
COM4
Seek check Tests the operation of the
Write, read check
l
selected hard disk drive
Read, verify check
Run all above checks
Tests the selected serial port;
requires a loop-back connector
Printer Port(s)
LPT2, or
Tests the selected printer port;
requires a loop-back connector
or LPT2
Printer Test(s)
Tests the operation of the
selected dot matrix printer and
prints a test pattern
Running System Diagnostics 4-7