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Used IBM I/O planar board / system backplane assembly.
Visible markings from the board and connectors include IBM FRU P/N 81F7722, board/assembly code 71F0088, PCB code 59F3417 Back, and connector marking ADC 4860. Web search results match IBM 81F7722 / 71F0088 as an I/O planar board for IBM RS/6000 7013 systems.
Board features multiple long expansion/backplane slots, a large gold-pin card-edge/backplane connector, auxiliary edge connectors, numerous IBM custom logic ICs, and hand-added jumper wiring on the solder side. Suitable as a replacement service part for compatible IBM RS/6000 hardware, or for restoration, repair, and spare-parts use in legacy enterprise systems.
Compatibility/use cases:
- IBM RS/6000 7013 systems
- Commonly referenced online as 7013 I/O planar board
- Also associated in parts listings with 7013-520H / 7013-XXX / 7015-930 families
Condition: Used. Cosmetic wear and age present from prior service. No functional testing information is available from the photos alone.
- Item Type: I/O planar board / backplane PCB
- Brand: IBM
- FRU Part Number: 81F7722
- MPN / Board Number: 71F0088
- PCB Marking: 59F3417 Back
- System Family: IBM RS/6000
- Known Compatibility: 7013 series; parts sources also reference 7013-520H / 7013-XXX / 7015-930
- Board Color: Green
- Connector Style: Multi-slot planar/backplane with high-density gold-pin connector
- Condition: Used
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