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x68000:adding_an_fdx68_to_x68000 [2018/11/30 14:00]
leonk
x68000:adding_an_fdx68_to_x68000 [2020/06/25 12:29] (current)
leonk [Connection Method]
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 Original web site:  (http://www.geocities.jp/kugimoto0715/fdx68/index.html) Original web site:  (http://www.geocities.jp/kugimoto0715/fdx68/index.html)
 +
 +New web site: (http://retropc.net/gimons/fdx68/index.html)
  
 ====== Background Information ====== ====== Background Information ======
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 ====== Setup and Usage ====== ====== Setup and Usage ======
  
-The original author has great instructions found here: http://www.geocities.jp/kugimoto0715/fdx68/index.html+The original author has great instructions found here: http://retropc.net/gimons/fdx68/index.html
 Use google translate to get the details.  The rest of this page was a result of edited google translate of original page (pulled 11/26/2018) Use google translate to get the details.  The rest of this page was a result of edited google translate of original page (pulled 11/26/2018)
  
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 ===== Connection Method ===== ===== Connection Method =====
  
-The external FDD connecter is labelled "EXTERNAL FDD" on the back of the X68000. This is a very unusual port known as the "miniature delta ribbon (MDR) 40 position female connector". In order to connect an external device to this port an MDR 40 position male connector is necessary. The FDX68 author made a cable for converting this port to a standard 34-pin ribbon cable connector. One should be able to purchase the MDR 40 position male connector at many online retail stores. You will also need to purchase matching enclosure shell for the connector.+The external FDD connecter is labelled "EXTERNAL FDD" on the back of the X68000. This is a very unusual port known as the "miniature delta ribbon (MDR) 40 position female connector". In order to connect an external device to this port an MDR 40 position male connector is necessary. The FDX68 author made a cable for converting this port to a standard 34-pin ribbon cable connector. One should be able to purchase the MDR 40 position male connector at many online retail stores. You will also need to purchase matching enclosure shell for the connector. The 3M part number for the connector is 10140-3000PE and matching shell is 10340-3210-000
  
 {{:x68000:fdx68_xvi_fd_connector.png?nolink&200|}} {{:x68000:fdx68_xvi_fd_connector.png?nolink&200|}}
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 ===== Connection Method ===== ===== Connection Method =====
  
-The external floppy disk drive connecter is labelled "EXTERNAL FDD" on the back of the X68000. This is a pretty common connector known as the "D-SUB 37 pin female connector". In order to connect an external device to this port a D-SUB 37 pin male connector is necessary. One should be able to purchase a D-SUB 37 pin male connector at many online retail stores. You will also need to purchase the matching enclosure shell for the connector. Lastly, you will require a way to connect this to the FDX68.  A standard floppy disk drive cable (ribbon or round) will work well.+The external floppy disk drive connecter is labelled "EXTERNAL FDD" on the back of the X68000. This is a pretty common connector known as the "D-SUB 37 pin female connector" or DB37. In order to connect an external device to this port a Db37 pin male connector is necessary. One should be able to purchase a DB37 pin male connector at many online retail stores. You will also need to purchase the matching enclosure shell for the connector. Lastly, you will require a way to connect this to the FDX68.  A standard floppy disk drive cable (ribbon or round) will work well.
  
 +{{:x68000:external_floppy_socket.jpg?300|}}
 {{:x68000:fdx68_dsub37.png?nolink&200|}} {{:x68000:fdx68_dsub37.png?nolink&200|}}
 {{:x68000:fdx68_floppy_cable.jpg?nolink&200|}} {{:x68000:fdx68_floppy_cable.jpg?nolink&200|}}
 {{:x68000:fdx68_floppy_cable_2.jpg?nolink&300|}} {{:x68000:fdx68_floppy_cable_2.jpg?nolink&300|}}
  
-When making your own cable to convert from D-SUB 37 to the 34-pin connector found on the FDX68, the following conversion table should be referenced. The pin assignment for creating the conversion cable is as follows. After soldering the pins, one should confirm they cable is soldered correctly using a voltmeter.+When making your own cable to convert from DB37 to the 34-pin connector found on the FDX68, the following conversion table and FDX68 pinout should be referenced; match the description of the pins and solder accordingly. After soldering the pins, one should confirm they cable is soldered correctly using a voltmeter. 
 + 
 +NOTE: The DB37 connector should have numbers on them.  Follow those numbers.  Don't get confused by the picture below as the pin numbers are different depending if you look at the front or the back of the connector. 
 + 
 + 
 +{{http://www.gamesx.com/grafx/db37.gif}} 
 + 
 +^  Ext. Pin  ^Signal  ^  Dir.  ^Description 
 +|  1  |/Disk Type Select|Out|Disk type selection signal| 
 +|  2  |NC|  -  |Not connected| 
 +|  3  |/Drive Select 3|Out|Drive selection signal 3| 
 +|  4  |/Index|  In  |Disk index signal| 
 +|  5  |/Drive Select 0|Out|Drive selection signal 0| 
 +|  6  |/Drive Select 1|Out|Drive selection signal 1| 
 +|  7  |/Drive Select 2|Out|Drive selection signal 2| 
 +|  8  |/Motor On|Out|Motor starting signal| 
 +|  9  |/Direction|Out|Head moving direction signal| 
 +|  10  |/Step|Out|Head movement signal| 
 +|  11  |/Write Data|Out|Write data signal| 
 +|  12  |/Write Gate|Out|Write gate signal| 
 +|  13  |/Track 00|  In  |Back to track 0| 
 +|  14  |/Write Protect|  In  |Write protect signal| 
 +|  15  |/Read Data|  In  |Read data signal| 
 +|  16  |/Side Select|Out|Head switching signal| 
 +|  17  |/Ready|  In  |Drive ready signal| 
 +|  18  |NC|  -  |Not connected| 
 +|  19  |NC|  -  |Not connected| 
 +|  20  |/Option Select 0|Out|Option select 0| 
 +|  21  |/Option Select 1|Out|Option Select 1| 
 +|  22  |/Option Select 2|Out|Option select 2| 
 +|  23  |/Option Select 3|Out|Option Select 3| 
 +|  24  |/Eject|Out|Eject signal| 
 +|  25  |/Eject Mask|Out|Eject mask signal| 
 +|  26  |/LED Blink|Out|LED flashing signal| 
 +|  27  |/Disk In|  In  |Disk insertion signal| 
 +|  28  |/ERR Disk|  In  |Disk insertion error signal| 
 +|  29  |/FDD INT|  In  |Disk interrupt signal| 
 +|  30  |Ground|Out|Ground| 
 +|  31  |Ground|Out|Ground| 
 +|  32  |Ground|Out|Ground| 
 +|  33  |Ground|Out|Ground| 
 +|  34  |Ground|Out|Ground| 
 +|  35  |Ground|Out|Ground| 
 +|  36  |Ground|Out|Ground| 
 +|  37  |NC|  -  |Not connected|
  
-... to do ...+{{:x68000:fdx68_pinout.png?nolink&400|}}
  
 ===== Internal FDD are drives 0,1 and FDX68 are drives 2,3 ===== ===== Internal FDD are drives 0,1 and FDX68 are drives 2,3 =====
x68000/adding_an_fdx68_to_x68000.1543550415.txt.gz · Last modified: 2019/08/27 20:44 (external edit)