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Someone asked if anyone besides PEP does CPU upgrades for 701s? Evergreen Technologies does, plus they'll install larger hard drives. The latest issue of PC World has a feature piece on urading PCs. Mostly they foucus on desktop units, and mention only in passing some some aftermarket folks will do notebook upgrades. Their stats seem to show that Intel upgrade CPUs do better than either AMD or Cyrix models if all one is doing is swapping CPU chips. Speed improvements in the 20-30 percent range seemed normal. But then, the price for most of these is somewhere around $200. About upgrading 486s? The PC World article sugggestions were very straightforward: Swap out motherboards for pentiums. Soooo. Does the article lead one to reconsider wisdom of not wanting to pay @$400 to upgrade a vintage TP701 486/75 DX4 (with a 25mzh clock) to a 486/100 DX4 (still with a 25mhz clock)? Alas, probably not. It's still a whole bunch of money for a what would appear to be a marginal improvement. That clock speed is a real impediment to making major improvements in throughput. Someone called for conducting a test - Upgrade a 701 and see (measure) what the improvement actually would be. Sounds good to me. - And sorry I do not reply individually to people here; I have a digest subscription to the Thinkpad list. BobM Penn State Harrisburg