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+Comtrol(tm) RocketPort(R)/RocketModem(TM) Series
+Device Driver for the Linux Operating System
+This driver provides a loadable kernel driver for the Comtrol RocketPort
+and RocketModem PCI boards. These boards provide, 2, 4, 8, 16, or 32
+high-speed serial ports or modems. This driver supports up to a combination
+of four RocketPort or RocketModems boards in one machine simultaneously.
+This file assumes that you are using the RocketPort driver which is
+integrated into the kernel sources.
+The driver can also be installed as an external module using the usual
+"make;make install" routine. This external module driver, obtainable
+from the Comtrol website listed below, is useful for updating the driver
+or installing it into kernels which do not have the driver configured
+into them. Installations instructions for the external module
+are in the included README and HW_INSTALL files.
+RocketPort ISA and RocketModem II PCI boards currently are only supported by
+this driver in module form.
+The RocketPort ISA board requires I/O ports to be configured by the DIP
+switches on the board. See the section "ISA Rocketport Boards" below for
+information on how to set the DIP switches.
+You pass the I/O port to the driver using the following module parameters:
+board1 : I/O port for the first ISA board
+board2 : I/O port for the second ISA board
+board3 : I/O port for the third ISA board
+board4 : I/O port for the fourth ISA board
+There is a set of utilities and scripts provided with the external driver
+( downloadable from http://www.comtrol.com ) that ease the configuration and
+setup of the ISA cards.
+The RocketModem II PCI boards require firmware to be loaded into the card
+before it will function. The driver has only been tested as a module for this
+RocketPort/RocketModem PCI cards require no driver configuration, they are
+automatically detected and configured.
+The RocketPort driver can be installed as a module (recommended) or built
+into the kernel. This is selected, as for other drivers, through the `make config`
+command from the root of the Linux source tree during the kernel build process.
+The RocketPort/RocketModem serial ports installed by this driver are assigned
+device major number 46, and will be named /dev/ttyRx, where x is the port number
+starting at zero (ex. /dev/ttyR0, /devttyR1, ...). If you have multiple cards
+installed in the system, the mapping of port names to serial ports is displayed
+in the system log at /var/log/messages.
+If installed as a module, the module must be loaded. This can be done
+manually by entering "modprobe rocket". To have the module loaded automatically
+upon system boot, edit the /etc/modprobe.conf file and add the line
+"alias char-major-46 rocket".
+In order to use the ports, their device names (nodes) must be created with mknod.
+This is only required once, the system will retain the names once created. To
+create the RocketPort/RocketModem device names, use the command
+"mknod /dev/ttyRx c 46 x" where x is the port number starting at zero. For example:
+>mknod /dev/ttyR0 c 46 0
+>mknod /dev/ttyR1 c 46 1
+>mknod /dev/ttyR2 c 46 2
+The Linux script MAKEDEV will create the first 16 ttyRx device names (nodes)
+ISA Rocketport Boards
+You must assign and configure the I/O addresses used by the ISA Rocketport
+card before installing and using it. This is done by setting a set of DIP
+switches on the Rocketport board.
+SETTING THE I/O ADDRESS
+Before installing RocketPort(R) or RocketPort RA boards, you must find
+a range of I/O addresses for it to use. The first RocketPort card
+requires a 68-byte contiguous block of I/O addresses, starting at one
+of the following: 0x100h, 0x140h, 0x180h, 0x200h, 0x240h, 0x280h,
+0x300h, 0x340h, 0x380h. This I/O address must be reflected in the DIP
+switiches of *all* of the Rocketport cards.
+The second, third, and fourth RocketPort cards require a 64-byte
+contiguous block of I/O addresses, starting at one of the following
+I/O addresses: 0x100h, 0x140h, 0x180h, 0x1C0h, 0x200h, 0x240h, 0x280h,
+0x2C0h, 0x300h, 0x340h, 0x380h, 0x3C0h. The I/O address used by the
+second, third, and fourth Rocketport cards (if present) are set via
+software control. The DIP switch settings for the I/O address must be
+set to the value of the first Rocketport cards.
+In order to destinguish each of the card from the others, each card
+must have a unique board ID set on the dip switches. The first
+Rocketport board must be set with the DIP switches corresponding to
+the first board, the second board must be set with the DIP switches
+corresponding to the second board, etc. IMPORTANT: The board ID is
+the only place where the DIP switch settings should differ between the
+various Rocketport boards in a system.
+The I/O address range used by any of the RocketPort cards must not
+conflict with any other cards in the system, including other
+RocketPort cards. Below, you will find a list of commonly used I/O
+address ranges which may be in use by other devices in your system.
+On a Linux system, "cat /proc/ioports" will also be helpful in
+identifying what I/O addresses are being used by devics on your
+Remember, the FIRST RocketPort uses 68 I/O addresses. So, if you set it
+for 0x100, it will occupy 0x100 to 0x143. This would mean that you
+CAN NOT set the second, third or fourth board for address 0x140 since
+the first 4 bytes of that range are used by the first board. You would
+need to set the second, third, or fourth board to one of the next available
+blocks such as 0x180.
+RocketPort and RocketPort RA SW1 Settings:
+ | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ | Unused| Card | I/O Port Block|
+DIP Switches DIP Switches
+7 8 6 5
+On On UNUSED, MUST BE ON. On On First Card <==== Default
+ On Off Second Card
+ Off On Third Card
+ Off Off Fourth Card
+DIP Switches I/O Address Range
+4 3 2 1 Used by the First Card
+On Off On Off 100-143
+On Off Off On 140-183
+On Off Off Off 180-1C3 <==== Default
+Off On On Off 200-243
+Off On Off On 240-283
+Off On Off Off 280-2C3
+Off Off On Off 300-343
+Off Off Off On 340-383
+Off Off Off Off 380-3C3
+For technical support, please provide the following
+information: Driver version, kernel release, distribution of
+kernel, and type of board you are using. Error messages and log
+printouts port configuration details are especially helpful.
+ Phone: (612) 494-4100
+ FAX: (612) 494-4199
+ email: email@example.com
+ Phone: +44 (0) 1 869 323-220
+ FAX: +44 (0) 1 869 323-211
+ email: firstname.lastname@example.org