Word Processor Expansion Bus Interface Board from Mexico

Printed circuit assembly providing proprietary bus slots for peripherals in 8472.90.50 word processing machines. Enables add-ons like modems, under HTS 8473.40.21.00 as a core part. Supports NuBus or similar legacy architectures.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Provide bus protocol documentation (e.g

pinouts, timings)

Confirm no ISA/PCI compatibility to maintain classification

Ship with compatibility list for specific models