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Version: 361807 (ubuntu - 24/10/10)

Section: 4 (Pilotes et protocoles réseau)

BSD mandoc


mpt - LSI Fusion-MPT SCSI/Fibre Channel driver


To compile this driver into the kernel, place the following lines in your kernel configuration file:
device scbus device mpt

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:



The driver provides support for the LSI Logic Fusion-MPT family of SCSI Fibre Channel and SAS controllers.


The following controllers are supported by the driver:

The Ultra 320 SCSI controller chips supported by the driver can be found onboard on many systems including:

These systems also contain Integrated Raid Mirroring and Integrated Raid Mirroring Enhanced which this driver also supports.

The SAS controller chips are also present on many new AMD/Opteron based systems, like the Sun 4100. Note that this controller can drive both SAS and SATA drives or a mix of them at the same time. The Integrated Raid Mirroring available for these controllers is poorly supported at best.

The Fibre Channel controller chipset are supported by a broad variety of speeds and systems. The Apple Fibre Channel HBA is in fact the FC949ES card.

This driver also supports target mode for Fibre Channel cards. This support may be enabled by setting the desired role of the core via the LSI Logic firmware utility that establishes what roles the card can take on - no separate compilation is required.


cd(4), ch(4), da(4), pci(4), sa(4), scsi(4), targ(4), mptutil(8), gmultipath(8)
"LSI Logic Website"


The driver first appeared in Fx 4.6 .


An -nosplit The driver was originally written for Fx by An Greg Ansley and marginally improved upon by An Matt Jacob Aq .

An Justin Gibbs Aq and An Scott Long Aq have made more substantial improvements.