Yes, they do. Just google "thinkpad nnnnn hmm" for the Hardware Maintenance Manu...

		Stratoscope on Sept 10, 2017 \| parent \| context \| favorite \| on: Restoring a Soviet-era analog synthesizer Yes, they do. Just google "thinkpad nnnnn hmm" for the Hardware Maintenance Manual, or "thinkpad nnnnn psref" for the "tbook-style" datasheet, where nnnnn is the model number.