Multitech ISI552PC Bedienungshandbuch PDF herunterladen (Seite 9)

addresses are also unused. (For example, if you

use the base I/O address of 380h, addresses 380h-

387h must be unused.)

To select an unused I/O address and an IRQ value,

it may be necessary to find out which values are

already in use. To determine your system's current

settings, refer to Appendix A. ISI552PC port #1 is

shipped with the IRQ set to level 3 and the base I/O

address at 2F8 hex; and ISI552PC port #2 is shipped

with the IRQ set to level 4 and the base I/O address

at 3E8. If you are certain that these settings are not

already in use, continue with the hardware

configuration and installation.

Note: If you choose IRQ 3 or 4, you may have to

remove the serial I/O device from your

configuration files. The ISI552PC cards do not

allow you to select IRQ 6 because it is almost

universally used for the floppy drive of a

computer. Also, most computers will not be able

to assign IRQ 2 to the ISI because IRQ 2 is used

for slave control.

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Multitech ISI552PC Bedienungshandbuch Seite 9