Pentium/Celery on-die diode temp reading

[LJ5L]

Any ideas in what range the diode is accurate? Mine seems to give erratic readings when it goes below 18 or 19 Celsius. It would post readings ways below 0 and other number which are obviously incorrect. Works perfectly at 20 and up.

[It_The_Cow]

Since it's on-die, it's probably right on. It's probably your motherboard/chipset that can't read them properly

[LJ5L]

So, people with peltiers use internal diode too? Their temperatures drop way below freezing, yet the same diode can read up to 80C or so, that it a very very large operating range for a diode to be accurate in, especially with only +/- 1C error as the white sheet states. They don't state the operating range though, and that's what I'm really looking for.