User's Guide

Scorpion 40 configurations for Windows NT, Novell, and UNIX 12
If this error is encountered, make sure that the correct modifications
were made to the file /var/sysgen/master.d/scsi.
Switching Hardware Compression
Irix 6.x provides support for software switching of hardware
compression through the use of different device drivers. Drivers
including a “c” in the device name should enable compression. You
may be able to resolve problems with data compression by installing
the latest Irix 6.x patch set.