System Boards

IBM PC 5150 16-64kB System Board #1

  • Not placed
  • IBM Part Number: 1817030 XM 474
  • Manufactured Date 46/82
  • "Upgraded" with older 5700671 BIOS dated 10/19/81

IBM PC 5150 16-64kB System Board #2

  • Not placed
  • IBM Part Number: 1503388 536 XM
  • Manufactured Date 51/82
  • BIOS revision: 1501476 dated 10/27/82

IBM PC 5150 16-64kB System Board #3

  • Not placed
  • IBM Part Number: 1817030 XM 366
  • Manufactured Date 26/82 (IC's)
  • BIOS revision: 5700671 dated 10/19/81

IBM PC 5150 16-64kB System Board #4

  • Placed in IBM PC 5150 rev. A
  • IBM Part Number: 1802453
  • Manufactured Date 52/81, chips - early 1982
  • BIOS revision: 5700051 dated 04/24/81

IBM PC 5150 16-64kB System Board #5

  • Placed in IBM PC 5150 rev. A #2
  • IBM Part Number: 1802461
  • Manufactured Date 44/81, chips - very early 1982
  • BIOS revision: 5700671 dated 10/19/81

IBM PC 5150 64-256kB System Board #1

  • IBM PC 5150 rev. B
  • IBM Part Number: 6137403
  • Manufactured Date 25/86
  • BIOS revision 1501476 dated 10/27/82 

IBM PC 5150 64-256kB System Board #2

  • Not placed
  • IBM Part Number: 1501480 XM 557
  • Manufactured Date ?/83
  • BIOS revision 1501476 dated 10/27/82

IBM PC 5160 64-256kB System Board #1

  • Placed in IBM PC XT 64-256kB
  • IBM Part Number: 6323560, 6323362, 6181655
  • Manufactured Date 35/84
  • BIOS revision U18: 1501512 U19: 5000027 dated 11/08/82

IBM PC 5155 (5160) 64-256kB System Board #2

  • Placed in IBM Portable PC 5155
  • IBM Part Number 6320155 XM
  • Manufactured Date: late 1983
  • Intel C8087 NPU added
  • BIOS revision U18: 1501512 U19: 5000027 dated 11/08/82

IBM PC 5160 64-256kB System Board #3

  • Not placed
  • IBM Part Number 6323560 XM
  • Manufactured Date: 1985
  • Upgraded to 256-640KB system
  • BIOS revision U18: 1501512 , U19: 5000027 dated 11/08/82

IBM PC 5160 256-640kB System Board

  • Placed in IBM PC XT 256-640kB
  • IBM Part Number: 62X0770
  • Manufactured Date 20/86
  • Post-production modificated from 64-256kb system board
  • BIOS revision U18: 62X0852, U19: 62X0853 dated 01/10/86
  • Intel D8087-1 Coprocessor added

IBM PC 5170 256-512k System Board #1

  • Placed in IBM PC AT Model 099
  • IBM Part Number: 6133920
  • Manufactured Date: 24/85
  • Bios revision U27: 6181028, U47: 6181029 dated 01/10/84

IBM PC 5170 256-512k System Board #2


  • Not placed
  • IBM Part Number: 6480148APS
  • Manufactured Date: 1985
  • Bios revision U27: 6181028, U47: 6181029 dated 01/10/84 - added

IBM PC 5170 512kB System Board #1

  • Not placed
  • IBM Part Number: 62X0670
  • Manufactured Date: 26/87

IBM PC 5170 512kB System Board #2

  • Not placed
  • IBM Part Number: 68X3832
  • Manufactured Date: 14/88

IBM PC 5170 512kB System Board #3

  • Not placed
  • IBM Part Number: 6489940
  • Manufactured Date: ?/85

IBM PC 5170 512kB System Board #4

  • Placed in IBM PC AT Model 319/339 
  • IBM Part Number: 62X0670
  • Manufactured Date: 51/86

IBM PC 5162 640kB System Board #1

  • Placed in IBM PC XT-286
  • IBM Part Number: 62X1168
  • Manufactured Date: 50/86

IBM PC 5162 640kB System Board #2

  • Not placed
  • IBM Part Number: 62X1168
  • Manufactured Date: 47/86

IBM PC Convertible 5140 System board

  • Not placed
  • IBM Part Number: 60X5480
  • Completely reconstructed, heavily damaged from battery acid

IBM PC Convertible 5140 System board #2

  • Placed in non complete PC convertible
  • Full working

IBM 5161 Expansion Unit I/O Planar #2

  • Not placed
  • IBM Part Number: 5000548
  • Manufactured Date: 52/83

IBM 5161 Expansion Unit I/O Planar 

  • IBM PC Expansion Unit 5161
  • IBM Part Number: 5000548
  • Manufactured Date: 28/83