Perle Systems Adaptors manual Removing drivers and utilities from your system

etc/setultrap -f /dev/term/z1 -m 485hdx -t term -b 5 -sets serial port z1 to EIA-485 half duplex, termination enabled, control bit-delay 5.

These commands may be added to a startup script to cause them to run automatically whenever the system is started. A sample commented out startup script (/etc/rc.setulrap) is supplied with this driver.

Removing drivers and utilities from your system

To remove the software drivers from your system under the SCO UnixWare operating system proceed as follows:

1. At the command prompt, type pkgrm spd and press Enter

The SPEED driver and associated utilities are now removed from your system.

UltraPort Serial Adaptors User Guide	Chapter 2 Installing drivers and host cards
Installing under SCO UnixWare	Page 74