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NAME    [Toc]    [Back]

     siop - LSI/Symbios Logic/NCR 53c8xx SCSI driver

SYNOPSIS    [Toc]    [Back]

     siop* at pci? dev ? function ?
     scsibus* at siop?

DESCRIPTION    [Toc]    [Back]

     The siop driver provides support for  following  LSI/Symbios
     53c8xx and related SCSI controller chips:

           -   53c810, 53c810a and 53c815 (Fast SCSI)
           -   53c820, 53c825 and 53c825a (Fast-Wide SCSI)
           -   53c860 (Ultra SCSI)
           -   53c875 and 53c875j (Ultra-Wide SCSI)
           -   53c876 (Dual Ultra-Wide SCSI)
           -   53c885 (Ultra-Wide SCSI and Ethernet)
           -   53c895 and 53c895a (Ultra2-Wide SCSI)
           -   53c896 (PCI 64bit, dual Ultra2-Wide SCSI)
           -    53c1010 (PCI 64bit, dual Ultra3-Wide SCSI.  NOTE:
at this time
               siop supports at most Ultra2-Wide with this chip)
           -   53c1510D (dual Ultra2-Wide SCSI)

     siop replaces the older ncr driver which supported  most  of
these devices.

     Older  53C700  and  53C710  controllers are supported by the
oosiop(4) and
     osiop(4) drivers, respectively.

SEE ALSO    [Toc]    [Back]

     cd(4), ch(4), intro(4), ncr(4), oosiop(4), osiop(4), pci(4),
     sd(4), st(4), uk(4)


HISTORY    [Toc]    [Back]

     The  siop  driver first appeared in NetBSD 1.5, OpenBSD support was added
     in OpenBSD 2.9.

AUTHORS    [Toc]    [Back]

     The siop driver was written by Manuel  Bouyer  <Manuel.Bouyer@lip6.fr> for
     NetBSD.  It was ported to OpenBSD with 53c1010 support added
     Ken Westerback <krw@openbsd.org> using code from the FreeBSD
sym-2 driver
     written by
     Gerard Roudier <groudier@FreeBSD.org>.

OpenBSD      3.6                          March      12,     2004
[ Back ]
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