Toshiba Libretto 100CT User Manual page 142

8. I/O ports
This option controls settings for the serial and parallel ports and the sound system.
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
Others
Interrupt level I/O address
4
3
4
5
7
3
5
7
Disables the port
Others settings made automatically by plug-and-play
operating systems
File No. 960-140
3F8H (Serial port default)
2F8H
3E8H
3E8H
3E8H
2E8H
2E8H
2E8H
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