
3-11
Hardware Installation
InterruptInterrupt
InterruptInterrupt
Interrupt
RequestRequest
RequestRequest
Request
BaudBaud
BaudBaud
Baud
RateRate
RateRate
Rate
COMCOM
COMCOM
COM
PortPort
PortPort
Port
3E8 COM3 IRQ10 115200
S3
2E8 COM4 IRQ11 115200
S4
3F8 COM1
2F8 COM2
3E8 COM3
2E8 COM4
2F0 COM5
3E0 COM6
2E0 COM7
260 COM8
368 COM9
268 COM10
360 COM11
270 COM12
IRQ3
IRQ4
IRQ5
IRQ7
IRQ9
IRQ10
IRQ11
IRQ12
IRQ15
115200
230400
460800
3. Verify the jumper settings. The factory recommended
settings are:
If this conflicts with other port assignments in your
system, reset the jumpers to non-conflicting addresses.
Refer to
Chapter 3, Hardware Installation
for alternative
settings.
4. Select an available I/O slot next to the board for installing
the two-connector mounting bracket.
NOTE: If available I/O slots is a concern, you
may also remount the connectors on the bracket
into the punch-out I/O port holes provided on
the back of most computer chassis. For this option,
make sure the I/O Expander 4S board is installed
in a slot where the cables can be connected.
Remove the selected slot’s cover by unscrewing the
holding screw and sliding it out. Save this screw for
securing the connector bracket.
5. Install the I/O Expander 4S board by carefully aligning
the board’s bus connector with the selected bus slot on
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