UnixWare 2.0 Installation and Configuration - page 13 of 25

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UnixWare 2 supports ISA, EISA, MCA and PCI bus types.

Note that this release of UnixWare can be considered the first step of auto config - There is still some work to be done (eg, mouse and network).

The aim is to make sure the board and drivers are in sync (so they work!)

EISA, MCA and PCI type are smarter than ISA - in that they can be probed for hardware configurations. So (hopefully), you can simply plug in a new card and make use of it under UnixWare at the next boot. Only ISA can't be probed. UnixWare will scan the bus looking for cards and the cards looking for hardware settings.

New boards will be noticed by UnixWare and, if the driver supports autoconfiguration, the driver will be assigned to this board. Note that if the driver doesn't support auto config, the card/driver assignment has to be done by hand via the DCU.

Note that with UnixWare 1, the kernel configuration files were found in /etc/conf/sdevice.d. For UnixWare 2, hardware drivers are configured by the resource manager NOT the files in sdevice.d.

Also, multiple SCSI boards are supported during installation (previously, with UnixWare 1.x you had to install the OS on one SCSI board and add in support for others after the re-boot.

Usually you won't need to re-build the kernel, but occationally you will have to (for example, for HBA cards) after using the DCU. Also, a re-boot may be necessary after using the DCU (again, HBA cards spring to mind).

As well as the new DCU utility (which appears on the desktop as HardWare_Setup), there are some additional command line tools.

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