mirror of https://github.com/mkerrisk/man-pages
bootparam.7: Remove crufty SCSI device driver options
[Part of a general change to remove cruft from this page.] Much of the detail on device-driver specifics in this page dates from the 20th century. (The last major update to this page was in man-pages-1.14!) It's hugely out of date now (many of these devices disappeared from the kernel years ago.) Arguably, this kind of detail should never have been placed in a man page to begin with, since devices come and go. Remove such text, and where appropriate and possible add pointers to files in the kernel Documentation/ directory. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk
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340
man7/bootparam.7
340
man7/bootparam.7
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@ -580,346 +580,6 @@ Full details can be found in the file
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(or
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.I drivers/scsi/README.st
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for older kernels) in the Linux kernel source.
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.TP
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.B "Adaptec aha151x, aha152x, aic6260, aic6360, SB16-SCSI configuration"
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The aha numbers refer to cards and the aic numbers refer to the actual
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SCSI chip on these type of cards, including the Soundblaster-16 SCSI.
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The probe code for these SCSI hosts looks for an installed BIOS, and
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if none is present, the probe will not find your card.
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Then you will
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have to use a boot argument of the form:
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.in +4n
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.nf
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.BI aha152x= iobase[,irq[,scsi-id[,reconnect[,parity]]]]
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.fi
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.in
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.IP
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If the driver was compiled with debugging enabled, a sixth
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value can be specified to set the debug level.
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All the parameters are as described at the top of this section, and the
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.I reconnect
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value will allow device disconnect/reconnect if a nonzero value
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is used.
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An example usage is as follows:
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.in +4n
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.nf
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aha152x=0x340,11,7,1
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.fi
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.in
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.IP
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Note that the parameters must be specified in order, meaning that if
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you want to specify a parity setting, then you will have to specify an
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iobase, irq, scsi-id and reconnect value as well.
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.TP
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.B "Adaptec aha154x configuration"
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The aha1542 series cards have an i82077 floppy controller onboard,
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while the aha1540 series cards do not.
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These are busmastering cards,
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and have parameters to set the "fairness" that is used to share
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the bus with other devices.
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The boot argument looks like the following.
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.in +4n
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.nf
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.BI aha1542= iobase[,buson,busoff[,dmaspeed]]
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.fi
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.in
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.IP
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Valid iobase values are usually one of: 0x130, 0x134, 0x230, 0x234,
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0x330, 0x334.
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Clone cards may permit other values.
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The
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.IR buson ", " busoff
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values refer to the number of microseconds that the
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card dominates the ISA bus.
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The defaults are 11us on, and 4us off, so
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that other cards (such as an ISA LANCE Ethernet card) have a chance to
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get access to the ISA bus.
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The
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.I dmaspeed
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value refers to the rate (in MB/s) at which the DMA
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(Direct Memory Access) transfers proceed.
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The default is 5MB/s.
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Newer revision cards allow you to select this value as part of the
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soft-configuration, older cards use jumpers.
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You can use values up to
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10MB/s assuming that your motherboard is capable of handling it.
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Experiment with caution if using values over 5MB/s.
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.TP
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.B "Adaptec aha274x, aha284x, aic7xxx configuration"
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These boards can accept an argument of the form:
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.in +4n
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.nf
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.BI aic7xxx= extended,no_reset
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.fi
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.in
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.IP
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The
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.I extended
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value, if nonzero, indicates that extended translation for large
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disks is enabled.
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The
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.I no_reset
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value, if nonzero, tells the driver not to reset the SCSI bus when
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setting up the host adapter at boot.
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.TP
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.B "AdvanSys SCSI Hosts configuration ('advansys=')"
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The AdvanSys driver can accept up to four I/O addresses that will be
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probed for an AdvanSys SCSI card.
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Note that these values (if used) do
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not effect EISA or PCI probing in any way.
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They are used only for
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probing ISA and VLB cards.
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In addition, if the driver has been
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compiled with debugging enabled, the level of debugging output can be
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set by adding an 0xdeb[0-f] parameter.
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The 0-f allows setting the
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level of the debugging messages to any of 16 levels of verbosity.
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.TP
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.B "AM53C974"
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Syntax:
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.in +4n
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.nf
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.BI AM53C974= host-scsi-id,target-scsi-id,max-rate,max-offset
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.fi
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.in
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.TP
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.B "BusLogic SCSI Hosts configuration ('BusLogic=')"
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Syntax:
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.in +4n
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.nf
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.BI BusLogic= N1,N2,N3,N4,N5,S1,S2,...
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.fi
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.in
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.IP
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For an extensive discussion of the BusLogic command line parameters,
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see the kernel source file
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.IR drivers/scsi/BusLogic.c .
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.\" (lines 3149-3270 in the kernel version I am looking at).
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The text
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below is a very much abbreviated extract.
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The parameters N1-N5 are integers.
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The parameters S1,... are strings.
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N1 is the I/O Address at which the Host Adapter is located.
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N2 is the Tagged Queue Depth to use for Target Devices that support
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Tagged Queuing.
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N3 is the Bus Settle Time in seconds.
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This is the amount of time
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to wait between a Host Adapter Hard Reset which
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initiates a SCSI Bus Reset and issuing any SCSI Commands.
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N4 is the Local Options (for one Host Adapter).
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N5 is the Global Options (for all Host Adapters).
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The string options are used to provide control over Tagged Queuing
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(TQ:Default, TQ:Enable, TQ:Disable, TQ:<Per-Target-Spec>), over
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Error Recovery (ER:Default, ER:HardReset, ER:BusDeviceReset,
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ER:None, ER:<Per-Target-Spec>), and over Host Adapter Probing
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(NoProbe, NoProbeISA, NoSortPCI).
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.TP
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.B "EATA/DMA configuration"
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The default list of I/O ports to be probed can be changed by
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.in +4n
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.nf
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.BI eata= iobase,iobase,... .
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.fi
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.in
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.TP
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.B "Future Domain TMC-16x0 configuration"
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Syntax:
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.in +4n
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.nf
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.BI fdomain= iobase,irq[,adapter_id]
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.fi
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.in
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.TP
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.B "Great Valley Products (GVP) SCSI controller configuration"
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Syntax:
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.in +4n
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.nf
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.BI gvp11= dma_transfer_bitmask
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.fi
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.in
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.TP
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.B "Future Domain TMC-8xx, TMC-950 configuration"
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Syntax:
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.in +4n
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.nf
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.BI tmc8xx= mem_base,irq
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.fi
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.in
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.IP
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The
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.I mem_base
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value is the value of the memory-mapped I/O region that
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the card uses.
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This will usually be one of the following values:
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0xc8000, 0xca000, 0xcc000, 0xce000, 0xdc000, 0xde000.
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.TP
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.B "IN2000 configuration"
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Syntax:
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.in +4n
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.nf
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.BI in2000= S
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.fi
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.in
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.IP
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where S is a comma-separated string of items keyword[:value].
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Recognized keywords (possibly with value) are:
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ioport:addr, noreset, nosync:x, period:ns, disconnect:x,
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debug:x, proc:x.
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For the function of these parameters, see the kernel source file
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.IR drivers/scsi/in2000.c .
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.TP
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.B "NCR5380 and NCR53C400 configuration"
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The boot argument is of the form
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.in +4n
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.nf
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.BI ncr5380= iobase,irq,dma
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.fi
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.in
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.IP
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or
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.in +4n
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.nf
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.BI ncr53c400= iobase,irq
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.fi
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.in
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.IP
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If the card doesn't use interrupts, then an IRQ value of 255 (0xff) will
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disable interrupts.
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An IRQ value of 254 means to autoprobe.
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More details can be found in the file
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.I Documentation/scsi/g_NCR5380.txt
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(or
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.I drivers/scsi/README.g_NCR5380
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for older kernels) in the Linux kernel source.
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.TP
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.B "NCR53C8xx configuration"
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Syntax:
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.in +4n
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.nf
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.BI ncr53c8xx= S
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.fi
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.in
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.IP
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where S is a comma-separated string of items keyword:value.
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Recognized keywords are: mpar (master_parity), spar (scsi_parity),
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disc (disconnection), specf (special_features), ultra (ultra_scsi),
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fsn (force_sync_nego), tags (default_tags), sync (default_sync),
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verb (verbose), debug (debug), burst (burst_max).
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For the function of the assigned values, see the kernel source file
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.IR drivers/scsi/ncr53c8xx.c .
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.TP
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.B "NCR53c406a configuration"
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Syntax:
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.in +4n
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.nf
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.BI ncr53c406a= iobase[,irq[,fastpio]]
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.fi
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.in
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.IP
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Specify irq = 0 for noninterrupt driven mode.
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Set fastpio = 1 for fast pio mode, 0 for slow mode.
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.TP
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.B "Pro Audio Spectrum configuration"
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The PAS16 uses a NC5380 SCSI chip, and newer models support
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jumperless configuration.
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The boot argument is of the form:
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.in +4n
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.nf
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.BI pas16= iobase,irq
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.fi
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.in
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.IP
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The only difference is that you can specify an IRQ value of 255, which
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will tell the driver to work without using interrupts, albeit at a
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performance loss.
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The iobase is usually 0x388.
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.TP
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.B "Seagate ST-0x configuration"
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If your card is not detected at boot time,
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you will then have to use a boot argument of the form:
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.in +4n
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.nf
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.BI st0x= mem_base,irq
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.fi
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.in
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.IP
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The
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.I mem_base
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value is the value of the memory-mapped I/O region that
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the card uses.
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This will usually be one of the following values:
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0xc8000, 0xca000, 0xcc000, 0xce000, 0xdc000, 0xde000.
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.TP
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.B "Trantor T128 configuration"
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These cards are also based on the NCR5380 chip, and accept the
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following options:
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.in +4n
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.nf
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.BI t128= mem_base,irq
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.fi
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.in
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.IP
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The valid values for
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.I mem_base
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are as follows: 0xcc000, 0xc8000, 0xdc000, 0xd8000.
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.TP
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.B "UltraStor 14F/34F configuration"
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The default list of I/O ports to be probed can be changed by
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.in +4n
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.nf
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.BI eata= iobase,iobase,... .
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.fi
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.in
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.TP
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.B "WD7000 configuration"
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Syntax:
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.in +4n
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.nf
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.BI wd7000= irq,dma,iobase
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.fi
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.in
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.TP
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.B "Commodore Amiga A2091/590 SCSI controller configuration"
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Syntax:
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.in +4n
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.nf
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.BI wd33c93= S
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.fi
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.in
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.IP
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where S is a comma-separated string of options.
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Recognized options are
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nosync:bitmask, nodma:x, period:ns, disconnect:x, debug:x,
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clock:x, next.
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For details, see the kernel source file
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.IR drivers/scsi/wd33c93.c .
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.SS Hard disks
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.TP
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.B "IDE Disk/CD-ROM Driver Parameters"
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