IBM PS2 3.5in Floppy Drive: Difference between revisions

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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.
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==
==Known Issues==
===Floppy Drive Won't Work===
===Floppy Drive Won't Work===
====Causes====
====Causes====
*Capacitors on floppy drive leak
*Capacitors on floppy drive leaking
====Solutions====
====Solutions====
*Recap floppy drive
*Recap floppy drive
==Disassembly Notes==
==Disassembly Notes==
 
* Computer is mostly toolless to work on
* Computer is mostly tool less 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
* Be careful with plastic pegs that need to be lift, use a plastic fork claw tool (a trim pop tool) if they are stuck to pry it up from underneath  
 
==Original Parts==
==Original Parts==
===Drive DFP732D12A - Floppy Drive Motor Board===
===Drive DFP732D12A - Floppy Drive Motor Board===
''YASKAWA ELECTRIC, YG-F2, GP8383118, REV A''
''YASKAWA ELECTRIC, YG-F2, GP8383118, REV A''<gallery>
File:Ibmps2-floppypcb.JPG|Floppy drive motor PCB
</gallery>
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 67: Line 64:
|Bipolar Aluminum Electrolytic*
|Bipolar Aluminum Electrolytic*
|}
|}
* No stripe visible on cans and no polarity marking on PCB
* No stripe visible on cans and no polarity marking on PCB
 
== Replacement Parts ==
=== Drive DFP732D12A - Floppy Drive Motor Board ===
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
! colspan="4" |Order Links
|-
|6C
|1
|UCL1E100MCL1GS / EMVE160ARA100MD55G
|[https://www.digikey.com/en/products/detail/nichicon/UCL1E100MCL1GS/2300280?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ATBQAwQC6hADgC5QgDKzATgJYB2AcxABfQnACciECkgYcBYmRAxq4gMzqQDECzadegkYTABWatSky5eQiUjkw8AOwmQxmOKeTjZ8Qm26kBzc-EKiIDQelmhYNor24NQABACtAGJaTKxBAKp8PMwA8qgAsrjo2ACuXLhGEdRe0bKxCnYOcEkAam71XT0UJn2EFAAcQyBqyd2EaoPdAdkgeQXFZRXVteFUcBbQ0jHytkpgO0kAtgCCSQACSWDmSQDWABIAXpk6iwDCRJWMmLgACbLIqlcpVGp1AC0FCa3EqrSUrjowlRQA Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ATBQAwQC6hADgC5QgDKzATgJYB2AcxABfQnACciECkgYcBYmRAxq4gMzqQDECzadegkYTABWatSky5eQiUjkw8AOwmQxmOKeTjZ8Qm26kBzc-EKiIDQelmhYNor24NQABACtAGJaTKxBAKp8PMwA8qgAsrjo2ACuXLhGEdRe0bKxCnYOcEkAam71XT0UJn2EFAAcQyBqyd2EaoPdAdkgeQXFZRXVteEAtBRN3JWtSq50wqdAA 🔎]
|[https://www.mouser.com/ProductDetail/Nichicon/UCL1E100MCL1GS?qs=ZkOCJBwOl24A148JYCca2w%3D%3D Mouser]
|[https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-SMD_NCC-Nippon-Chemi-Con-EMVE160ARA100MD55G_C709453.html LCSC]
|-
|1C
|1
|UWD1V4R7MCL1GS / UWF1E4R7MCL1GB / 50SEV4R7M4X5.5
|[https://www.digikey.com/en/products/detail/nichicon/UWD1V4R7MCL1GS/2550637 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ATBQAwQC6hADgC5QgDKzATgJYB2AcxABfQnACciECkgYcBYmRAxq4gMzqQDECzadegkYTABWatSky5eQiUjkw8AOwmQxmOKeTjZ8Qm26kBzc-EKiIDQelmhYNor2ygB0TgAEAK0AYlpMrEEAqnw8zADyqACyuOjYAK5cuEYR1F7RsrEKduQUJikAam4gat19AbkgBUWlFVW19eEAtBQt3NXtSq50wptAA 🔎]
|[https://www.mouser.com/ProductDetail/Nichicon/UWF1E4R7MCL1GB?qs=RnQUGDXuF1dWhKRqlt4C5w%3D%3D Mouser]
|[https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-SMD_Rubycon-50SEV4R7M4X5-5_C88822.html LCSC]
|-
|8C, 9C, 10C
|3
|UWP1C4R7MCL1GB / EEE-1CA4R7NR
|[https://www.digikey.com/en/products/detail/nichicon/UWP1C4R7MCL1GB/2550788 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ATBQAwQC6hADgC5QgDKzATgJYB2AcxABfQgFYKiECkgYcBYmRABmMAE4A7GoAcIBiBZtOvQSMJgx1alJly8hEpHJh4GsSHMwxa9%2BdUaNPSZWSA5ufiFREBoYNRs0LHtFJxAYADoNAAIAVoAxIIMQkABVPh5mAHlUAFlcdGwAVy5cM2jqLXjZRIVHZzhMgDUPNsHhijFRwgptSZVqWeUJof1DUNLyqtr6ppaogFpJaGkobgaepXc6YWugA 🔎]
|[https://www.mouser.com/ProductDetail/Panasonic/EEE-1CA4R7NR?qs=dPWvNUObvppGJBPtp%252BQ1aA%3D%3D Mouser]
|
|-
| colspan="3" |'''Full BOM'''
| colspan="2" |[https://www.digikey.com/short/nbpqjv4j Digikey]
|
|
|}
== Related Links ==
* [https://www.youtube.com/watch?v=7A_D9DbRcHk Video on disassembly and capacitor information]
==References==
==References==
<references />
<references />
[[Category:1980s]]
[[Category:1990s]]
[[Category:Computer]]
[[Category:IBM]]

Latest revision as of 12:56, 22 July 2024

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

  • Floppy drive motor PCB

    Floppy drive motor PCB

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

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