This manual is for IBM hardware maintenance manual, and it covers types 2254, 2256, 2257, 6336, 6337, 6339, 6341, 6342, 6346, 6347, 6348.
This Service Manual offers detailed service and reference information for IBM Personal Computer models 2254‑6348. It is aimed at trained servicers who are familiar with IBM PC products and includes safety notices, diagnostic procedures, and parts catalogs.
The manual is organized into chapters covering general checkout, system specifications, diagnostics, installation of options, FRU replacements, symptom‑to‑FRU indexing, parts lists, additional service information (security, BIOS, power management), and related safety and handling guidelines.
It contains service and reference information for the IBM computer Types 2254‑6348.
The manual is intended for trained servicers who are familiar with IBM Personal Computer products.
Readers are instructed to read all caution and danger statements before performing any instructions.