Epson equity ie q50188015-1 Manuel D’Utilisation

Use this option to test the functions of a parallel port on a video adapter
card. To perform the test you must insert a special loop-back connector into
the port so that the computer can check the port’s individual pins.

This test is identical to the check for the primary parallel port. For more

details, see the section describing the parallel port check earlier. in this

chapter.

When you finish running the system diagnostics, press 0 and 

Enter 

to

return to the OPERATION MENU. Then press 0 and 

Enter 

to reset the

computer. When the OPERATION MENU appears again, press 0 and

Enter 

again, this time to return to MS-DOS. When the MS-DOS

command prompt reappears, remove the Reference diskette.

The table below lists all the error codes and messages that may appear

during diagnostic checks.

Error code

System board

101
103
104

105
105
108
109
111
113

Memory

201

Keyboard

301
302

Message

CPU ERROR
TIMER COUNTER REGISTER ERROR
TIMER COUNTER ERROR

DMA CONTROLLER REGISTER ERROR
DMA REFRESH ERROR
KEYBOARD SELF DIAGNOSTIC ERROR
INTERRUPT CONTROLLER ERROR
REAL TIME CLOCK ERROR

CPU INSTRUCTION ERROR

MEMORY/PARITY ERROR

KEYBOARD CONTROLLER SELF DIAGNOSTIC ERROR

KEYBOARD IS DEFECTIVE