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Whenever I've done any hardware or software tweaking of my 701C, I've run Windows Magazine's Wintune 2.0 benchmark suite to evaluate the change. While my disk, video, and memory benchmarks have changed as result of new BIOS, more memory, etc., my cpu and fpu marks have stayed fairly constant (as one would expect). Recently, my machine took a trip to EZ-serve. On its return I reran Wintune, and was shocked to see a 90% improvement in the cpu and fpu scores! I suspect that part of the (attempted) repair was a new system 'top' board, so now I wonder: were there 2 (or more) versions of this board produced, with different performance? (I should add that I have one of the DX4-75 models, and neither the BIOS setup menu nor qconfig have changed which chip they report - so, its not like I was secretly upgraded from a DX2-50 to a DX4-75.) Here are the numbers: 18 December 1996: 4.0 Whetstone MFlops, 16.7 Dhrystone MIPS 7 January 1997: 7.7 Whetstone MFlops, 33.6 Dhrystone MIPS Absolutely no change in BIOS or software configuration between tests. The first set of scores is comparable to scores from last March, soon after I bought the machine. Can anyone help explain this? If others have run Wintune 2.0 on their 701, I'd like to see the results. (*Not* Wintune 95, which uses different precisions and so isn't comparable, but Wintune 2.0 under Win-OS2 should give similar Whet/Dhrystones.) If you email these to me directly I can collate and save bandwidth on the list.