IBM 31L8518 OTTAWA I/O CPU System Board (part number 31L8518) is a legacy desktop motherboard designed for 160MHz processor operation. This refurbished unit features integrated I/O capabilities typical of early-generation IBM desktop platforms, supporting standard ISA/PCI slot architecture for expansion cards and peripherals. The board accommodates memory modules and CPU configurations common to 1990s-era IBM compatible systems. Typical applications include legacy system restoration, retro computing projects, and replacement component sourcing for vintage IBM desktop platforms. Compatible with original IBM cases, power supplies, and peripheral cards from the corresponding generation. Each unit has been tested and guaranteed to meet original specifications. Available via quote.
