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EMUFDD Floppy Emulator : USB & TCP/IP Network


The most reliable and configurable Universal Floppy HW Emulator
Retrofit services for the industry, from the machinery to the solution


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EMUFDD & MITSUBISHI Jumpering


MF353B MITSUBISHI drives


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 IU 

 Front LED controlled by the Ready signal 

 IS 

 Front LED controlled by the Drive Select signal 

 MS 

 Drive Select controls motor on 

 MM 

 Motor ON controls motor on 

 SR 

 Ready output on Pin 34 

 DC 

 Disk Change output on Pin 34 

 (DC) 

 Disk Change output on Pin 2 

 FG 

 Short between FDD frame and DC 0V  

 DS0 

 Drive select 0 

 DS1 

 Drive select 1 

 DS2 

 Drive select 2 

 DS3 

 Drive select 3 

 MX 

 Multiplex Drive Select 


MF353 MITSUBISHI drives


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 SR 

 Ready output on Pin 34 

 DC 

 Disk Change output on Pin 34 

 MM 

 Motor ON controls motor on 

 MS 

 Drive Select controls motor on 

 DS0 

 Drive select 0 

 DS1 

 Drive select 1 

 DS2 

 Drive select 2 

 DS3 

 Drive select 3 

 1X 

 

 MX 

 Multiplex Drive Select 


MF355 MITSUBISHI drives


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mitsubishi_MF355F_jumper.jpg

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 LD+HD 

 Automatic Density control 

 LD 

 Low Density input: HI=2M, LO=1M 

 HD 

 High Density input: HI=1M, LO=2M 

 DS0 

 Drive select 0 

 DS1 

 Drive select 1 

 DS2 

 Drive select 2 

 DS3 

 Drive select 3 

 SR34 

 Ready output on Pin 34 

 DC34 

 Disk Change output on Pin 34 

 SR2 

 Ready output on Pin 2 

 DC2 

 Disk Change output on Pin 2