This manual supports ThinkPad T40/T40p,T41/T41p,T42/T42p ThinkPad Dock II (MT 2877) (MT 2373/2374/ / ) 2375 2376/2378/2379, and introduces maintenance methods for these products.
This Service Manual contains detailed service and reference information for the ThinkPad T40/T40p, T41/T41p, T42/T42p laptops and the ThinkPad Dock II. It includes safety notices in multiple languages, FRU replacement procedures, error‑code diagnostics, and a complete parts list.
The manual also presents product specifications, status indicators, and troubleshooting guides such as the Symptom‑to‑FRU index and numeric error codes, helping trained technicians diagnose and repair hardware issues efficiently.
| Processor (T40/T40p) | Intel Pentium M 1.3 GHz, 1‑MB L2 cache |
|---|---|
| Processor (T41/T41p) | Intel Pentium M 1.4 GHz, 1‑MB L2 cache |
| Processor (T42/T42p) | Intel Pentium M 1.5 GHz, 2‑MB L2 cache |
Before replacing a FRU, install all diskette fixes, then replace FRUs one at a time, reinstalling the original part if the problem persists.
BIOS and device driver fixes are posted on the Lenovo customer support site at http://www.lenovo.com/support.
Safety notices appear in English, French, German, Hebrew, Italian, and Spanish.
Start diagnosis with the first displayed error code; if multiple codes appear, the first one is likely the root cause.