Original IBM 5100 / 5110 / 5120 Field Service Documentation Binder (1978–1979).

This is an original IBM binder containing mixed small-system support and infrastructure documentation from the late 1970s. Materials appear to be field/service level rather than standard end-user manuals.

Contents include:

• IBM 5120 Computing System – General Information and Site Preparation Manual

First Edition, December 1979 (GA34-0130-0)

• IBM 5110 Customer Support Functions Reference Manual

Second Edition, October 1978

• IBM Technical Newsletters – January 1979

Base publication SA21-9311-1

• IBM 5100 BASIC Reference Handbook (pamphlet format)

All materials are housed in an original IBM binder. Pages show normal age and handling wear consistent with use in a business or technical environment. No major damage or water exposure observed. Sold as found and kept intact as a complete period support binder.

A scarce and desirable collection of late-1970s IBM small system field documentation covering the 5100, 5110, and 5120 platforms.