IIR(4) FreeBSD Kernel Interfaces Manual IIR(4)


iirIntel 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 loader.conf(5):



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.


The iir driver is supported and maintained by Achim Leubner <Achim_Leubner@adaptec.com>.

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

August 8, 2004 FreeBSD