3.5" Floppy Disk Drive Question


S

Scott H.

Hello,

I am looking for information on what the pins on a standard IDE 3.5" floppy
disk drive do. That is, I know that pin 20 is "Step Pulse", pin 22 is
"Write Data", pin 8 is "Index", etc., but I cannot find information on what
the pin's functions are. I need the information so I can build a circuit
that can read/write data from/to the drive. I've have looked all over the
place for the information, including the Internet and a major research
library but I have been unsuccessful. If anyone knows what the pins on a
standard IDE 3.5 inch floppy disk drive do or could offer any advice on any
resource to check, I would greatly appreciate it. Thank you in advance for
any help.

Thanks,
Scott H.
 
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S

Some One

Uhm...

Just get a controller chip and use that... it's why they exist.

BTW, most of the pin labels are pretty self explanetory. "Step Pulse"
is a pulse telling the drive to step the head. "Index" pulses when the
index hole makes one revolution, etc.
 
H

HiJaak!

Scott H. said:
Hello,

I am looking for information on what the pins on a standard IDE 3.5" floppy
disk drive do. That is, I know that pin 20 is "Step Pulse", pin 22 is
"Write Data", pin 8 is "Index", etc., but I cannot find information on what
the pin's functions are. I need the information so I can build a circuit
that can read/write data from/to the drive. I've have looked all over the
place for the information, including the Internet and a major research
library but I have been unsuccessful. If anyone knows what the pins on a
standard IDE 3.5 inch floppy disk drive do or could offer any advice on any
resource to check, I would greatly appreciate it. Thank you in advance for
any help.

Thanks,
Scott H.
This is what came out of google in less than a minute:

http://www.lysator.liu.se/amiga/hard/guide/A4000Hardware.guide?Internal Floppy Connector Pin-Outs

http://wonkity.com/~wblock/a4000hard/connpins.html

Good luck,

HiJaak!

PS: The Amiga interface is the same as the PC interface.
 
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