IBM PC 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
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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
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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
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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
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IBM PC 5150 64-256kB System Board #1
Placed in IBM PC 5150 rev. B
IBM Part Number: 6137403
Manufactured Date 25/86
BIOS revision 1501476 dated 10/27/82Â
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
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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
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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
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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
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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
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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: 1985
IBM PC 5170 512kB System Board #4
Placed in IBM PC AT Model 319/339Â
IBM Part Number: 62X0670
Manufactured Date: 51/86
IBM PC 5170 512kB System Board #5
Placed in IBM PC AT Model 339-72
IBM Part Number: 6489940
Manufactured Date: 49/86
IBM PC 5162 640kB System Board #1
Placed in IBM PC XT-286
IBM Part Number: 62X1168
Manufactured Date: 50/86
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IBM PC 5162 640kB System Board #2
Not placed
IBM Part Number: 62X1168
Manufactured Date: 47/86
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IBM PC Convertible 5140 System board #1
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 #1
IBM PC Expansion Unit 5161
IBM Part Number: 5000548
Manufactured Date: 28/83
IBM 5161 Expansion Unit I/O Planar #2
Not placed
IBM Part Number: 5000548
Manufactured Date: 52/83