The IBM 59G8681 is an ISA riser card designed for IBM 4694 point-of-sale systems. This adapter card enables ISA slot expansion and peripheral connectivity within the 4694's form factor, supporting legacy ISA-based expansion cards and devices commonly used in retail POS environments. The card facilitates integration with barcode scanners, receipt printers, magnetic stripe readers, and other standard ISA peripherals typical of retail checkout systems from the 1990s-2000s era. Compatibility is limited to IBM 4694 systems; verify motherboard revision and available expansion slots before ordering. This refurbished component has been tested and guaranteed to function as specified; available via quote.