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Old February 7th 06, 04:18 PM posted to alt.sys.pc-clone.compaq
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Default Compaq Deskpro EN 6266 CPU Upgrade

Ben Myers wrote:
On Tue, 7 Feb 2006 00:27:15 -0000, "Nick Le Lievre"
wrote:

SNIP

One last thing before I take the plunge and get a PIII 600 slot 1
100mhz with standard heatsink to run without connecting the FAN
(should be ok only hotter) I want to know what the wire from the
heatsink to the motherboard is on this Compaq. Its not a CPU fan
wire but whats it for - somebody told me this needs to be connected
for the PC to boot I havent tested that out yet but its connected to
the heatsink and I`ve never seen it on a PIII Heatsink before.


The wire from the heat sink to the motherboard is a temperature
sensor. If it is not connected to the motherboard, the system will
complain and (*** I THINK, IIRC ***) not boot. In other words, you
need it.

Do NOT run the P3 CPU without its cooling fan. This is a pretty sure
recipe for overheating. Instead, is it possible to graft the old
heat sink onto the new processor? The old heat sink is large enough
that it will dissipate the heat. Most any heat sink/fan combo
attached to a Slot 1 P3 cannot dissipate the heat unless the fan is
working... Ben Myers


I did a bit more research the thermal sensor will display an error message
but you can press F1 to bypass it also there is a way to trick it so it
doesn't display the error http://tinyurl.com/b6elj with regard to the
running the CPU without fan it shouldn't be the problem esp if its a
coppermine http://tinyurl.com/chcs2 if its a katmai at 2.0v might be
something to worry about.

--
And to all those opposed...
Hmm...well