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- 1b21b Lenovo ThinkPad T400s Lenovo Shinai MV VerPerDArchive · 1.36 MB · 22 Jan 2025Archive rar—1.36 MB
- 1b21b Lenovo ThinkPad T400s Lenovo Shinai MV VerPerDSchematic · 1.43 MB · 4 Aug 2019Schematic pdf—1.43 MB
- 1b21b Lenovo ThinkPad T400s Lenovo Shinai MV VerPerD SRGinfotechSchematic · 1.43 MB · 5 May 2025Schematic pdf—1.43 MB
- 1B21
Listed as a schematic, the 229 KB PDF titled 1B21 carries only a short code and no model, brand or revision, so its subject must be confirmed by opening it.
Schematic · 229 KB · 1 Aug 2026Schematic pdf—229 KB - 1B22
A 233 KB PDF named 1B22, catalogued as a schematic, whose short code gives no device, board number or brand.
Schematic · 233 KB · 1 Aug 2026Schematic pdf—233 KB