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-README file for the dc395x SCSI driver
-==========================================
-
-Status
-------
-The driver has been tested with CD-R and CD-R/W drives. These should
-be safe to use. Testing with hard disks has not been done to any
-great degree and caution should be exercised if you want to attempt
-to use this driver with hard disks.
-
-This is a 2.5 only driver. For a 2.4 driver please see the original
-driver (which this driver started from) at
-http://www.garloff.de/kurt/linux/dc395/
-
-Problems, questions and patches should be submitted to the mailing
-list. Details on the list, including archives, are available at
-http://lists.twibble.org/mailman/listinfo/dc395x/
-
-Parameters
-----------
-The driver uses the settings from the EEPROM set in the SCSI BIOS
-setup. If there is no EEPROM, the driver uses default values.
-Both can be overridden by command line parameters (module or kernel
-parameters).
-
-The following parameters are available:
-
- - safe
- Default: 0, Acceptable values: 0 or 1
-
- If safe is set to 1 then the adapter will use conservative
- ("safe") default settings. This sets:
-
- shortcut for dc395x=7,4,9,15,2,10
-
- - adapter_id
- Default: 7, Acceptable values: 0 to 15
-
- Sets the host adapter SCSI ID.
-
- - max_speed
- Default: 1, Acceptable value: 0 to 7
- 0 = 20 Mhz
- 1 = 12.2 Mhz
- 2 = 10 Mhz
- 3 = 8 Mhz
- 4 = 6.7 Mhz
- 5 = 5.8 Hhz
- 6 = 5 Mhz
- 7 = 4 Mhz
-
- - dev_mode
- Bitmap for device configuration
-
- DevMode bit definition:
- Bit Val(hex) Val(dec) Meaning
- *0 0x01 1 Parity check
- *1 0x02 2 Synchronous Negotiation
- *2 0x04 4 Disconnection
- *3 0x08 8 Send Start command on startup. (Not used)
- *4 0x10 16 Tagged Command Queueing
- *5 0x20 32 Wide Negotiation
-
- - adapter_mode
- Bitmap for adapter configuration
-
- AdaptMode bit definition
- Bit Val(hex) Val(dec) Meaning
- *0 0x01 1 Support more than two drives. (Not used)
- *1 0x02 2 Use DOS compatible mapping for HDs greater than 1GB.
- *2 0x04 4 Reset SCSI Bus on startup.
- *3 0x08 8 Active Negation: Improves SCSI Bus noise immunity.
- 4 0x10 16 Immediate return on BIOS seek command. (Not used)
- (*)5 0x20 32 Check for LUNs >= 1.
-
- - tags
- Default: 3, Acceptable values: 0-5
-
- The number of tags is 1<<x, if x has been specified
-
- - reset_delay
- Default: 1, Acceptable values: 0-180
-
- The seconds to not accept commands after a SCSI Reset
-
-
-For the built in driver the parameters should be prefixed with
-dc395x. (eg "dc395x.safe=1")
-
-
-Copyright
----------
-The driver is free software. It is protected by the GNU General Public
-License (GPL). Please read it, before using this driver. It should be
-included in your kernel sources and with your distribution. It carries the
-filename COPYING. If you don't have it, please ask me to send you one by
-email.
-Note: The GNU GPL says also something about warranty and liability.
-Please be aware the following: While we do my best to provide a working and
-reliable driver, there is a chance, that it will kill your valuable data.
-We refuse to take any responsibility for that. The driver is provided as-is
-and YOU USE IT AT YOUR OWN RESPONSIBILITY.