Future Domain Corp TMC 845, 8x0, 885 SCSI host adapter driver
This driver is no longer supported by SCO, however,
it is still provided with SCO OpenServer for your convenience.
Contact your hardware vendor for support.
tmcha is the device driver for
Future Domain Corp TMC 845, 850, 860, 885 (950 chip)
SCSI 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 tmcha driver
You can configure the tmcha driver using entries in
/etc/conf/cf.d/mdevice and /etc/conf/sdevice.d/tmcha.
Changes to these files
will only take effect if the kernel is relinked using
and the machine rebooted.
Configure tmcha driver-specific characteristics
by editing the /etc/conf/pack.d/tmcha/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 tmcha driver
supports all standard SCSI ioctls
that are defined in the <sys/scsicmd.h> header file
and documented on the
These error messages associated with tmcha may display on the console.
for general information about kernel error messages,
including a list of generic device driver errors.
CONFIG: tmcha: Out of jobs (TMC_SCSI_JOBS = max
Too many SCSI commands were pending to be dealt with.
NOTICE: tmcha: Non-existent adapter m
The specified host adapter (m) could not be found.
NOTICE: tmcha: Unexpected SCSI reselection device id=target
NOTICE: tmcha: Unexpected reselection device id=target
One of the peripheral devices made an unexpected reselection.
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