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- PLIP.DEVICE(1) PLIP.DEVICE(1)
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- NAME
- PLIP - A Parallel Line IP SANA2 Device Driver
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- OVERVIEW
- PLIP is a network device driver conforming to the SANA2
- standard. It allows linking of two Amigas using their
- parallel ports. Transfer speed is around 40 kbyte/sec.
- The complete low level transfer protocol is integrated in
- the device driver, including port arbitration handshaking
- and interrupt driven reads. Although the transfer process
- itself is cpu intensive, the device needs no cpu resources
- when no transfer is in progress.
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- PLIP is intended as a low-cost networking solution, since
- the capabilities of the parallel hardware are somewhat
- limited. However, it gives much better results than SLIP
- and leaves the serial port free.
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- REQUIREMENTS
- You will need at least kickstart and workbench V2.04
- (37.175) to use PLIP. Also some SANA2 compliant network-
- ing protocol (like Envoy or AS225R2) will come in handy
- :-).
-
- INSTALLATION
- Just copy plip.device to devs:networks. See the documen-
- tation of your networking package for further installation
- steps. If you are going to use both Envoy and AS225 over
- PLIP at the same time, be sure to first start Envoy, then
- AS225. If you've got problems with multiple protocol
- stacks you might try making the packet and host IDs for
- each protocol unique.
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- Since PLIP only allows two hosts to be linked together,
- addressing is limited to 1 Bit. One host uses
- plip.device, Unit 0, the other one plip.device, Unit 1.
- The device will not work if both machines use the same
- unit number.
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- PLIP looks for an environment variable called
- ENV:SANA2/PLIP.config. This should contain one line termi-
- nated with a newline, which will be parsed by ReadArgs
- according to the template
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- TIMEOUT/K/N,PRIORITY=PRI/K/N,MTU/K/N,BPS/K/N, where
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- TIMEOUT=num
- Packet receive timeout, default is 330000. Set to
- a higher value if you have problems with slow
- machines.
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- PRIORITY=num
- PLIP task priority, default is 15. Do not change
- this.
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- Version 38.7 Release 3 1
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- PLIP.DEVICE(1) PLIP.DEVICE(1)
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- MTU=num Maximum packet data size, default and maximum is
- 8192. If you change this, be sure to change it on
- both machines to the same value!
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- BPS=num The nominal bits per second rate returned from a
- device query. Default is 25000 which is much too
- low but works with beta Envoy.
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- An example PLIP.config is included. All recognized parame-
- ters will be printed into the startup window of PLIP.
-
- CABLE
- You will need male (A1000: female) DB25 connectors and
- some (up to 4 meters) parallel cable. Connect:
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- D0-D7/BUSY/POUT to D0-D7/BUSY/POUT
- ACK to STROBE
- STROBE to ACK
- GND to GND
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- You can look up the pin assignment in your Amiga User Man-
- ual, appendix A. Please note that this cable differs from
- ParNet! Double check before using!
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- There is a potential problem with the RI (ring indicator)
- line on the serial port. If you have problems running
- PLIP, first try to remove any device connected to the
- serial port. If that helps, you might try cutting the RI
- line in the serial connector.
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- COPYRIGHT
- PLIP is (C) Copyright 1993 Oliver Wagner & Michael Balzer,
- All Rights Reserved. You are granted a limited copying
- license to distribute this version of plip for private
- purposes only.
-
- Under no circumstances may PLIP be used on any machine
- which is used for the research, development, construction,
- testing or production of weapons or other military appli-
- cations. This also includes any machine which is used for
- training persons for any of the above mentioned purposes.
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- PLIP is SHAREWARE. You may test PLIP for two weeks. If you
- decide to use PLIP (regularly or irregularly) you have to
- pay the
-
- ---> SHAREWARE FEE of 10,- DM (or 10 US$) <---.
-
- Please send the money to
-
- Oliver Wagner
- Landsberge 5
- W-4322 (from July 1993 on: 45549) Sprockhoevel
- GERMANY
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- Version 38.7 Release 3 2
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- PLIP.DEVICE(1) PLIP.DEVICE(1)
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- Use PLIP at your own risk. Please send bug reports to:
- o.wagner@aworld-2.aworld.de / O.WAGNER@AWORLD-2.ZER
- or
- bilbo@bagsend.aworld.de / M.BALZER@AWORLD.ZER
-
- Please exactly state the machine configuration which
- causes PLIP to fail.
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- HISTORY
- V37.11
- - small speedups in transmission handshaking
- - now uses utility library for parsing the buffer
- management taglist
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- V37.14
- - optimized BPS and MTU
- - cleaned up the code
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- V38.5
- - fixed CRC check
- - added information window
- - some protocol fixes
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- V38.7
- - changed hardware type to 13 (official PLIP ID)
- - added configuration mechanism
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- Version 38.7 Release 3 3
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