Toshiba Satellite M20 Maintenance Manual page 137

3 Diagnostic Programs
13 OFF Line
14 Power OFF
15 No Printer Found.
16 Line Trouble
12xx COM
01 DLL Test Error
02 DLM Test Error
03 LCR Test Error
04 IER Test Error
05 MCR Test Error
Transmit Buffer Empty
06
Over Time Error
Data Ready Over Time
07
Error
08 IRQ3 Not Happen Error
09 IRQ4 Not Happen Error
Transmit Buffer Empty
10
Interrupt Error
Data Receive Ready
11
Interrupt Error
62
No papers in the printer.
No papers in the printer.
Unrecognizable printer type.
Line problems or other with the
printer.
The DLL register of COM PORT
does not perform normally.
The DLM register of COM
PORT does not perform
normally.
The LCR register of COM PORT
does not perform normally.
The IER register of COM PORT
does not perform normally.
The MCR register of COM
PORT does not perform
normally.
COM PORT data transfer out of
time.
COM PORT data receive out of
time.
The COM PORT interrupt
occupying IRQ3 can not be
recognized by the system.
The COM PORT interrupt
occupying IRQ4 can not be
recognized by the system.
The Transmit Buffer Empty
Interrupt can not be invoked.
The Data Receive Ready
Interrupt can not be invoked.
3.11Error Codes and Description
Check and see whether the printer
is connected to the computer.
Check and see whether the printer
is supplied with power.
Test with another type of printer.
Check for the printer on LPT,
make sure it's correctly
connected.
1) Try with other test software.
2) Replace the SUPER IO chip.
As above.
As above.
As above.
As above.
As above.
1) Check for the external fixture
on COM PORT.
2) Try with other test software.
3) Replace the SUPPER IO chip.
1) Try with other test software.
2) Replace the SUPER IO.
As above.
As above.
1) Check for the external fixture
on the COM PORT;
2) Try with other test software;
3) Replace the SUPPER IO chip.
Satellite M20 Maintenance Manual