Schematic of the ThinkPad T30 notebook motherboard in PDF format, roughly 986 KB. The name gives only the model, with no board number or revision, so confirm the design version against the PCB before relying on specific values. Repair work on older ThinkPads typically uses this kind of document to map voltage regulators, follow enable and power-good signals, and find the components around a failed charging or standby circuit. Opens in any ordinary PDF reader.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @schematicslaptop. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)