Imsai Floppy Disk

Imsai Floppy Disk

Imsai Eight Inch Floppy Disk Drive SubSystem with two Calcomp 142M disk drives. See also Imsai 8080

Wanted to Buy Imsai FIF floppy disk controller board set consisting of an FIB & IFM card please contact me July 2018 I acquired a set in an ePay purchase. Can you help me restore it to functionality? I now have two Imsai FDD sub systems.

I am looking for manual for Imsai FIF FDC board set please contact me

Computerworld February 14, 1977 Calcomp 142M Announcment

Gallery

• 
  Imsai Computer and Imsai disk drive
• 
  Imsai Floppy Disk Drive Sub System
• 
  Cover removed
• 
  Read Decoder Board
• 
  CalComp 142M disk drive
• 
  CalComp 142M disk drive top view
• 
  CalComp 142M disk drive top view track gauge detail
• 
  Cabinet width detail
• 
  Calcomp Shugart width detail

Resources

Found at http://www.autometer.de/unix4fun/z80pack/ftp/imsai/

• Imsai FIB Firmware.pdf
• Does anyone have a manual for the FIF board set? please contact me

Other nifty stuff...

• Calcomp 142M Brochure
• some comments from Todd Fischer in google groups comp.os.cpm proprietary chips and reliability.

Exploration / build notes

• 1/9/2018 I thought about swapping in some Shugart 8" floppies. Check the width they're to wide even with the perpendicular cabinet support brackets removed. About 1.5mm. Qume Trak 842 drives are not as wide but still to wide.