This hardware maintenance manual contains service and reference information for the ThinkPad X301, including safety instructions, FRU identification, and detailed part lists. It is intended for trained service technicians and covers procedures such as replacing hard‑disk drives, system boards, and other FRUs.
The manual also explains power‑management features, password handling, diagnostic tools like PC‑Doctor, and provides a symptom‑to‑FRU index with error codes and beep patterns to aid troubleshooting.
The ThinkPad X301 supports a power‑on password, a hard‑disk password, and a supervisor password.
Before servicing, read the “Safety information” on page 1 and the “Important service information” on page 17.
The manual’s part number is 43Y9441_01.