Toshiba Tecra M1 Maintenance Manual page 219

3.29 SETUP
9. I/O ports
This option controls settings for the parallel port.
NOTE: Do not assign the same interrupt request level and I/O address to the
serial port and PC card.
(a) Serial
Use this option to set the COM level for the serial port. The serial port interrupt
request level (IRQ) and I/O port base address for each COM level is shown below:
COM level
COM1
COM2
COM3
COM3
COM3
COM4
COM4
COM4
Not Used
(b) Parallel
This option sets the interrupt request level (IRQ) and I/O port base address for the
parallel port. When the Printer Port Mode is set to Std. Bi-direct, the options are:
LPT setting
LPT 1
LPT 2
LPT 3
Not Used
TECRA M1 Maintenance Manual (960-436)
Interrupt level
4
3
4
5
7
3
5
7
Disables port
Interrupt level
7
5
7
Disables port
3 Tests and Diagnostics
I/O address
3F8H (Serial port default)
2F8H
3E8H
3E8H
3E8H
2E8H
2E8H
2E8H
I/O address
378H
278H
3BCH
3-91