RS480M2 - environmentals - have I got a problem?

Hi,
Well what a MB to pick for my first build ;-) Thanks for all the great advice on this site.
After a problem that turned out to be RAM based (not compatible although passed memtest86 for over 20 hours; replacement seems fine now) I'm wondering if things are actually ok.
Spec is:
MB: RS480M2-IL (BIOS v3.8)
PSU: Ez Cool 550W
CPU: A64 939 3000+ (Venice) + ARCTIC COOLING SUPER SILENT
RAM: 2x512MB DDR400 Corsair ValueRAM
HD: 200 Gb Seagate Barracuda SATA
When I go into the BIOS I can get readings for temp and fan speed of around:
CPU temp 57C; system temp 33C; system fan speed variable (as per cooler) but working fine; CPU fan speed; no reading
However in Windows (XP Pro SP2) if I start MSI PC Alert 4 it warns of a CPU temp of 129C and wants to shut the system down.
Trying Sandra 2005 gives the message 'no environment monitors detected'
Finally Speedfan 4.26 gives ambient 33C; remote1 55C; remote2 114C & HD 25C
So I guess PC Alert is registering whatever 'Remote2' is.
Also I can't 'see' most of the voltages. Speedfan will show a couple (12V & 3.3V I think) but all the others show 0. Sandra & PC Alert don't register any voltages.
Given all of this the system appears stable. I can run Sandra tests for hours with no (apparent) problems.
I have a suspicion that I may not have the SM Bus driver installed correctly (I think I got a message during the chipset driver install) but it appears to be happy in device manager.
I'm also aware that BIOS 3.95 is around and that it fixes temperature sensing issues with Venice cores.
Well done if you've read this far. I'd appreciate any advice on how to check the system is ok and will remain so.
Thank in anticipation & apologies for the rambling nature of the post; I'm pretty confiused really.
John

Temps and volts are about the same as on my setup, so we both have the same problem - which I suspect very strongly is the motherboard giving temperatures that are far too high and keeping voltages a secret.
Also, try plugging the CPU fan into the other fan header and see if you get a RPM reading.
I'm waiting for bios 3.95 to be officially released before I upgrade from 3.8

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