Up for sale is a vintage Apple Macintosh IIsi NuBus Expansion Adapter Card bundled with an Apple Ethernet NB Card.Because Macintosh IIsi motherboards do not feature standard NuBus slots out of the box, this 90-degree adapter board is required to install standard NuBus expansion cards (like Ethernet, video, or accelerator cards). It also features the integrated Motorola 68882 FPU (Math Coprocessor) chip.Included in this listing:- Apple Macintosh IIsi 90-Degree NuBus Adapter Board (P/N 820-0305-01) with built-in 68882 FPU- Apple Ethernet NB Card (P/N 820-0417-C) with attached metal mounting bracketCondition:Removed from a vintage Apple Macintosh IIsi unit. The board and card are in solid cosmetic condition with no broken connectors or burnt traces visible. Untested beyond initial system power-on, so this assembly is being sold AS-IS / For Parts or Repair due to the age of vintage electronics.Please inspect all high-resolution photos carefully for exact cosmetic condition.Shipping:Ships quickly and securely via USPS Ground Advantage or Priority Mail. Will be packaged in anti-static materials and heavily padded for safe delivery.