Multi-Tech Systems ISI551PC - Manual (Page 14)

2-5
ISI Configuration and Installation Procedure
Table 2-1 (cont'd)
Step Procedure
Com Port I/O Address Setting IRQ Level
Figure 2-3. I/O Address and IRQ Level Settings
COM1
COM2
COM3
COM4
4b Select a unique I/O Address for
your ISI551PC card using the
block of 8-position DIP-Switches
on your ISI circuit board. Figure
2-3 shows various I/O
addressing and IRQ settings.
5 Record any changes you
make to these settings and
keep them handy for the
driver installation.