super overheating problem

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biagrin

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Jan 1, 2006
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ive just built a pc with a foxconn NF4SK8AA-8EKRS and athlon64 3800+

everything is connected fine and all fans are running and the psu is suppling correct voltage.

can anybody tell me why my cpu is hitting 78C. ive not let it go higher than this because i know it isnt supposed to get that hot anyway so ive set 78 as the auto shuttoff temp. This happens when it is sat idle in BIOS.

the heat sink is sat firmly with arctic silver 5

also the cpu fan doesnt increase or decrease speed. ive tried the cpu on another mobo and it was fine.

is the mobo faulty?
 
Joined
Mar 16, 2002
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13,404
biagrin said:
ive just built a pc with a foxconn NF4SK8AA-8EKRS and athlon64 3800+

everything is connected fine and all fans are running and the psu is suppling correct voltage.

can anybody tell me why my cpu is hitting 78C. ive not let it go higher than this because i know it isnt supposed to get that hot anyway so ive set 78 as the auto shuttoff temp. This happens when it is sat idle in BIOS.

the heat sink is sat firmly with arctic silver 5

also the cpu fan doesnt increase or decrease speed. ive tried the cpu on another mobo and it was fine.

is the mobo faulty?
if youre certain the hsf is installed correctly then yeah bad MB or CPU
 

crjdriver

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Jan 2, 2001
Messages
43,580
Yes, there is a chance you have a board with a bad sensor on the board. Foxconn is not noted as a quality maker of boards.

Before getting another board, I would check your mounting of the hsf. You posted you used AS. How did you install the AS compound?
 

biagrin

Thread Starter
Joined
Jan 1, 2006
Messages
140
i applied it evenly in a not-too-thin-not-too-thick layer and gave the heat sink a good wiggle to to make sure. the heat sink is sat rock solid so its highly unlikely to be a heat sink problem.
 
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