Help - Random Computer shutdowns

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MBQ

Are you sure the BIOS settings are not corrupted due to a flat battery?

Have you tried resetting to defaults for the temp monitoring stuff?

MBQ

Mine shows both the target and actual temp in the BIOS page. So presumably the target would be wrong if the BIOS memory was suspect?

It does seem the logical way, given it's the temperature of the innards - not the heatsink - that really matters.

No, but I think you'll find recent and current PC class processors do it this way. That is what we were talking about, after all.

MBQ

In message , "Dave Plowman (News)" writes

It might be the logical way but not all chips offer the facility.

Unfortunately the Op was talking about an AMD chip which AFAIR, didn't.

Mine are both AMD chips and have no sign of an external sensor. So I assumed it's internal.

In message , "Dave Plowman (News)" writes

Some are, some aren't. AFAIR the Athlon chips didn't, the sensor was usually in the centre of the CPU socket. Sometimes it was a springy piece of mylar that held the sensor against the underside of the chip but plenty of times it was just a tiny bead device mounted on the board. Which was somewhat useless.

Look up "thermal diode" in the AMD data sheets.

MBQ

In message , Man at B&Q writes

Only added around the time of the OP's processor so there's a good possibility that his doesn't have one, certainly not before 2400+ chips and some of the 2600s. There's the matter of it not actually working on some of the early dies that were meant to incorporate it as well but your point is noted, the newer AMD chips do have one.