NEC Storage Plus SCSI-AT (SUMO) host adapter driver
sumo is the device driver for
NEC Storage Plus SCSI-AT
(SUMO) host adapter cards.
Refer to the
Compatible Hardware Web Pages.
to determine the support status of your host adapter, or
contact your system supplier.
Configuring the sumo driver
You can configure the sumo driver using entries in
/etc/conf/cf.d/mdevice and /etc/conf/sdevice.d/sumo.
Changes to these files
will only take effect if the kernel is relinked using
and the machine rebooted.
Configure sumo driver-specific characteristics
by editing the /etc/conf/pack.d/sumo/space.c file.
Boot time configuration of SCSI
parameters to override
the default hardware configuration information.
Of special interest are the adapter= parameter
that specifies information for
the host adapter card
that plugs into or is part of the motherboard,
and the periph= parameter
that specifies information about the host adapter
being used by one of the generic peripheral interfaces
(Sdsk, Srom, or Stp).
The sumo driver
supports all standard SCSI ioctls
that are defined in the <sys/scsicmd.h> header file
and documented on the
The following error message may be displayed on the console.
for general information about kernel error messages,
including a list of generic device driver errors.
NOTICE: sumo: Spurious interrupt from device drive
on vector n
No command was pending when an interrupt was received.
SCSI interface header files
``Adding SCSI host adapters and peripherals'' in the SCO OpenServer Handbook
SCO OpenServer System Administration Guide
© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003