Slow performance XP SP1

Hi list!

Wrote an app with VC++ (7.1) using latest MyODBC (3.51.12-2) that fetches a 
couple of thousands of records in less that half a second, tested on XP SP2, 
MDAC 8.1 running the latest server (5.0.16) on the same machine.

Tested on 2 other machines with exact same MyODBC, Server, and configuration 
options; but these 2 other have XP SP1 (MDAC 8.0) and do not have VStudio 
installed.

None of the 3 PCs area running any other software that could take resources 
such as cpu, memory or disk, and they all have equivalent capabilities (memory, 
cpu, ...).

The thing is: the same record fetching on the 2 SP1 machines area about 10 to 
20 times slower.

Why do you think this is happening? OS differences? Other system configs? VC++ 
library versions?

Anyone else compared performance between SP1 and SP2?

Thanks,
Fernando

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