Arbor Technology Rigid-772, User Manual, Page: 97 / 113

- 85 -
BIOS
Serial Port 3
Configuration
Configures the computer’s COM3, which is configurable between
RS232, RS422 and RS485. The featured settings are:
Setting Description
Serial Port
Enables/disables the serial port.
Enabled is the default.
Change
Settings
Sets the optimal IO address and IRQ info for the
serial port.
Options available are:
IO=3E8h; IRQ=10; (default)
IO=3E8h; IRQ=3,4,5,6,7,10,11,12;
IO=2E8h; IRQ=3,4,5,6,7,10,11,12;
IO=2F0h; IRQ=3,4,5,6,7,10,11,12;
IO=2E0h; IRQ=3,4,5,6,7,10,11,12;
This setting is only available when the serial
port is enabled.
RS485 Mode
Enables/disables RS485 mode.
Disabled is the default.
Note this setting needs to be consistent with
the DIP switch SW9 to prevent possible
conflict. See also 3.2.2. DIP Switch SW9 on
page 22
Serial Port 4
Configuration
Configures the computer’s COM4, which is RS232/RS422/RS485
selectable. The featured settings are:
Setting Description
Serial Port
Enables/disables the serial port.
Enabled is the default.
Change
Settings
Sets the optimal IO address and IRQ info for the
serial port.
Options available are:
IO=2E8h; IRQ=11; (default)
IO=3E8h; IRQ=3,4,5,6,7,10,11,12;
IO=2E8h; IRQ=3,4,5,6,7,10,11,12;
IO=2F0h; IRQ=3,4,5,6,7,10,11,12;
IO=2E0h; IRQ=3,4,5,6,7,10,11,12;
This setting is only available when the serial
port is enabled.
RS485 Mode
Enables/disables RS485 mode.
Disabled
is the default.
Note this setting needs to be consistent with
the DIP switch SW9 to prevent possible
conflict. See also 3.2.2. DIP Switch SW9 on
page 22