Hardware compatibility

The ThinkPad 80GB Hard Disk Drive is supported on the following Systems:
Description Machine Type Model
ThinkPad A30, A31 2652, 2653, 2654 All
ThinkPad R40 2681, 2682, 2683, 2722, 2723, 2724, 2896, 2897 All
ThinkPad R50/R50p 1829, 1830, 1831, 1832, 1833, 1836 All
ThinkPad T20, T21, T22, T23 2647, 2648 All
ThinkPad T30 2366, 2367 All
ThinkPad T40, T41 2373, 2374, 2378, 2379 All
ThinkPad X20, X21, X22, X23, X24 2660, 2661, 2662 All
ThinkPad X30, X31 2672, 2673, 2884, 2885 All

NOTE: The 80 GB Hard Disk Drive option is only supported on ThinkPad