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     iir — Intel Integrated RAID controller and ICP Vortex driver


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

           device pci
           device scbus
           device iir

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



     The iir driver claims to interface with the Intel integrated RAID controller cards, and all
     versions of the ICP Vortex controllers (including FC).


     Controllers supported by the iir driver include:

        Intel RAID Controller SRCMR
        Intel Server RAID Controller U3-l (SRCU31a)
        Intel Server RAID Controller U3-1L (SRCU31La)
        Intel Server RAID Controller U3-2 (SRCU32)
        All past and future releases of Intel and ICP RAID Controllers.

        Intel RAID Controller SRCU21 (discontinued)
        Intel RAID Controller SRCU31 (older revision, not compatible)
        Intel RAID Controller SRCU31L (older revision, not compatible)

     The SRCU31 and SRCU31L can be updated via a firmware update available from Intel.


     cam(4), pass(4), xpt(4), camcontrol(8)


     The iir driver is supported and maintained by Achim Leubner <>.

     This manual page was written by Tom Rhodes <> and is based on information
     supplied by the driver authors and the website of Mike Smith <>.