IBM PS2 3.5in Floppy Drive

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For more information, see this article's corresponding Wikipedia page: IBM_PS/2.
IBM PS/2
Preliminary Information
Release Year 1987
Leak Risk Medium
Batteries Yes, BR-P2 6V Lithium for RTC and CMOS
Mounting Technology Through Hole, SMD, Sockets
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic
Destructive Entry No

The IBM PS/2 Range was a mostly PC compatible line of computer by IBM after the PC,XT, & AT that uses MCA and other proprietary interfaces for standard hardware.

Known Issues

Floppy Drive Won't Work

Causes

  • Capacitors on floppy drive leaking

Solutions

  • Recap floppy drive

Disassembly Notes

  • Computer is mostly toolless to work on
  • Be careful with plastic pegs that need to be lifted, use a plastic fork claw tool (a trim pop tool) if they are stuck, to pry it up from underneath

Original Parts

Drive DFP732D12A - Floppy Drive Motor Board

YASKAWA ELECTRIC, YG-F2, GP8383118, REV A

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Type
6C 1 10 µF 16V SMD Can 4mm 5.75mm Aluminum Electrolytic
1C 1 4.7µF 25V SMD Can 4mm 5.75mm Aluminum Electrolytic
8C, 9C, 10C 3 4.7µF 16V SMD Can 4mm 5.75mm Bipolar Aluminum Electrolytic*
  • No stripe visible on cans and no polarity marking on PCB

Replacement Parts

Drive DFP732D12A - Floppy Drive Motor Board

Capacitors
RefDes Qty Compatible Part Number Order Links
6C 1 UCL1E100MCL1GS / EMVE160ARA100MD55G Digikey 🔎 Mouser LCSC
1C 1 UWD1V4R7MCL1GS / UWF1E4R7MCL1GB / 50SEV4R7M4X5.5 Digikey 🔎 Mouser LCSC
8C, 9C, 10C 3 UWP1C4R7MCL1GB / EEE-1CA4R7NR Digikey 🔎 Mouser
Full BOM Digikey

Related Links

References