IBM FDD and HDD Controllers

IBM PC AT Fixed Disk and Floppy Drive Adapter #1

 (first generation)

  • Not placed
  • IBM Part Number: 68X3756
  • Manufactured date: 43/86

IBM PC AT Fixed Disk and Floppy Drive Adapter #2

(first generation)

  • Placed in: IBM PC AT 5170 model 099
  • IBM Part number: 6480111
  • Manufactured date: 31/85



IBM PC AT Fixed Disk and Floppy Drive Adapter #3

(first generation)

  • Not placed
  • IBM Part Number: 68X3756
  • Manufactured date: 27/86

IBM PC AT Fixed Disk and Floppy Drive Adapter #4

(first generation)

  • Not placed
  • IBM Part Number: 55X9520 / 6480111
  • Manufactured date: 1985

IBM PC AT Fixed Disk and Floppy Drive Adapter #1

 (second generation)

  • Placed in IBM PC AT Model 319/339
  • IBM Part Number: 68X3948 rev.X4
  • Manufactured date: 05/88

IBM PC AT Fixed Disk and Floppy Drive Adapter #2

(second generation)

  • Placed in IBM PC XT-286
  • IBM Part Number: 62X1132 rev. X3
  • Manufactured date: 41/86

IBM PC AT Fixed Disk and Floppy Drive Adapter #3

(second generation)

  • Not placed
  • IBM Part Number: 62X0340
  • Manufactured date: 1986

IBM/Xebec HDD Controller #1

(first generation)

  • Placed in IBM PC XT 64-256k
  • IBM Part Number 1501492 / 5004403 (PCB)
  • Manufactured date: May 19, 1984 / 11/83 (PCB)

IBM/Xebec HDD Controller #2

(first generation)

  • Not placed
  • IBM Part Number 1501492 / 5004403 (PCB)
  • Manufactured date: October 16, 1983

IBM/Xebec HDD Controller #3

(first generation) 

  • Placed in IBM PC 5161 Expansion Unit
  • IBM Part Number 1501492 / 5004403 (PCB)
  • Manufactured date: November 16, 1983

IBM/Xebec HDD Controller #1

(second generation)

  • Not placed
  • IBM Part Number: 1501492 / 6135984 rev. A00
  • Manufactured date:  44/84

IBM/Xebec HDD Controller #3


  • Not placed
  • IBM Part Number: 59X7192YF / 6135984 rev. B00
  • Manufactured date: 02/85

IBM/Xebec HDD Controller #1

(third generation)

  • Placed in IBM PC XT 256-640kB
  • IBM Part Number: 62X0786, IBM 62X0776
  • Manufactured date: 25/86 



IBM/Xebec HDD Controller #2

(third generation)

  • Not placed
  • IBM Part Number: 62X0775, IBM 62X0776
  • Manufactured date: 19/86 

IBM/Xebec HDD Controller

(second / third generation)

  • Not placed
  • IBM Part Number: 59X7192YF (?) 6135984
  • Manufactured date: 25/85
  • Second gen. card with third gen. BIOS

IBM PC Floppy Drive Adapter #0

  • Not placed
  • IBM Part Number: 1809113 XM
  • Manufactured date: 07-82

IBM PC Floppy Drive Adapter  #1

  • Not placed
  • IBM Part Number: 1809121 XM 
  • Manufactured date: 18/82 - 39/82

IBM PC Floppy Drive Adapter #2

  • Placed in IBM PC 5150 rev. A
  • IBM Part Number: 1809113 
  • Manufactured date: 04-82

IBM PC/XT Floppy Drive Adapter #1

  • Not used
  • IBM Part Number: 6181682
  • Manufactured date: 17/85

IBM PC/XT Floppy Drive Adapter #2

  • Placed in IBM PC XT 64-256k
  • IBM Part Number: 6181682
  • Manufactured date: 39/84 - 19/85

IBM PC/XT Floppy Drive Adapter #3

  • Placed in IBM PC XT 256-640k
  • IBM Part Number: 6181682
  • Manufactured date: 20/86

IBM PC/XT Floppy Drive Adapter #4

  • IBM PC 5150 rev. B
  • IBM Part Number: 6181682
  • Manufactured date: 26/86

IBM PC/XT Floppy Drive Adapter #5

  • Placed in IBM Portable PC 5155
  • IBM Part Number: 6181682
  • Manufactured date: 42/83