This document is the user manual for IBM PC Type 6266, 6270, 6276, 6279, 6280, and 6286. It describes the features and characteristics of these products.
This manual covers safety information for the IBM PC, including grounding requirements, handling of power and communication cables, and precautions when working with hardware components. It also includes specific warnings for lithium batteries, CD‑ROM/DVD‑ROM laser units, and screen terminology.
Installation steps describe how to connect the computer to a grounded outlet, attach peripherals, and safely disconnect the system for service. Additional sections address laser safety, battery handling, and a glossary of display terms.
Do not charge, disassemble, burn, or expose the lithium battery to heat.
Turn off the computer and any external devices that have their own power switches.