IBM 27F4243 16-Bit ISA Riser Board for 8530 PS/2 System Board 33F8639
IBM 27F4243 16-Bit ISA Riser Board for 8530 PS/2 System Board 33F8639
This is a 16-bit ISA riser board designed for the IBM PS/2 Model 30 8530 system board. It provides vertical expansion slot access within the system chassis.
Specifications & What's Included
- Model: IBM 27F4243 (Secondary: 33F8639)
- Bus Type: 16-bit ISA
- Expansion Slots: 3x 16-bit ISA slots
- Form Factor: Riser Card
- Manufactured: United States, Week 39 1988
- Includes: Riser board only; no additional accessories
Applications
ISA riser boards were used in compact PS/2 systems to allow multiple expansion cards to be installed horizontally within limited chassis space. This board accommodates three standard 16-bit ISA cards typical of 1980s computing environments. Compatible with IBM PS/2 Model 30 systems using the 33F8639 motherboard.
This IBM 27F4243 16-bit ISA riser board has been inspected and appears to be in good used condition. The PCB is clean with no visible damage, cracked traces, or bent pins on the ISA slot connectors. The board shows light shelf wear consistent with storage. It was not bench-tested at our facility, but shows no signs of physical damage. Please view our photo set and contact us if you have any questions.
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