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ItsJustMe
Guest
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 Posted: Tue Dec 16, 2003 5:34 pm Post subject: Temp drop of 25 degrees. Was it dust or super cheap mod? |
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I have an AMD 1400. Sorry, it's not overclocked so I'm probably off
topic but I can't think of a group of people who would know more about
cooling. And my super cheap mod could be slightly useful to someone.
After heatsink removal, and replacement, How critical is it to replace
the pad (looks like a small piece of double sided tape to me) between
the heatsink an the CPU <everytime> as recommended by AMD?
I read their website, I know the AMD answer is, yes, it must be replaced
everytime...
but has anyone ever just left the old one alone? If scraped off
clearly there would be nothing there, but if left alone it seems to me
that the remaining halves on the heatsink and cpu would line back up
(the hold down spring won't be right if the halves of the pad aren't
lined back up) and press back together. Maybe you couldn't get away with
it forever but I only did it once.
I got a 15 to 25 degree temp drop (depending on room temp) by cleaning 2
years worth of dust collection off the heatsink and putting a piece of
tape on the top and bottom of the heatsink where there is a large slot
that the hold down spring passes through. It seemed clear to me,
confirmed by feeling the airflow with my fingers, that most of the air
flow was passing through this larger slot, bypassing the cooling fins,
and doing little cooling. The two small pieces of tape that I applied to
each end (top and bottom) between the fan and the hold down spring
blocked most of the large center slot and forced the air from the
cooling fan through the smaller slots of the cooling fins. There is now
an airflow difference, through the cooling fins, that I can feel with my
fingers -- a lot :)
And the CPU temp, as registered in the CMOS PLUNGED!
Now, was it dust removal, or the tape that made the dif, or perhaps even
the way the heat sensor works in combination with the unreplaced heat
pad producing an unreliable reading??? I know that's reaching but these
little things worry me:)
Is it going to fry because I didn't use a new heat pad as recommended by
AMD?
Any thoughts appreciated.
IJM |
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Doughnut
Guest
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| Posted: Tue Dec 16, 2003 6:43 pm Post subject: Re: Temp drop of 25 degrees. Was it dust or super cheap mod? |
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My friends pc was crashing and his cpu temp was in the mid 70's, i cleaned
the dust out and now its in the low 50's so i think cleaning the dust has a
major impact on cooling.
doughnut
"ItsJustMe" <I.gotta.be.me@whoRU2ask.info> wrote in message
news:vttreo9tihle23@corp.supernews.com...
| Quote: | I have an AMD 1400. Sorry, it's not overclocked so I'm probably off
topic but I can't think of a group of people who would know more about
cooling. And my super cheap mod could be slightly useful to someone.
After heatsink removal, and replacement, How critical is it to replace
the pad (looks like a small piece of double sided tape to me) between
the heatsink an the CPU <everytime> as recommended by AMD?
I read their website, I know the AMD answer is, yes, it must be replaced
everytime...
but has anyone ever just left the old one alone? If scraped off
clearly there would be nothing there, but if left alone it seems to me
that the remaining halves on the heatsink and cpu would line back up
(the hold down spring won't be right if the halves of the pad aren't
lined back up) and press back together. Maybe you couldn't get away with
it forever but I only did it once.
I got a 15 to 25 degree temp drop (depending on room temp) by cleaning 2
years worth of dust collection off the heatsink and putting a piece of
tape on the top and bottom of the heatsink where there is a large slot
that the hold down spring passes through. It seemed clear to me,
confirmed by feeling the airflow with my fingers, that most of the air
flow was passing through this larger slot, bypassing the cooling fins,
and doing little cooling. The two small pieces of tape that I applied to
each end (top and bottom) between the fan and the hold down spring
blocked most of the large center slot and forced the air from the
cooling fan through the smaller slots of the cooling fins. There is now
an airflow difference, through the cooling fins, that I can feel with my
fingers -- a lot :)
And the CPU temp, as registered in the CMOS PLUNGED!
Now, was it dust removal, or the tape that made the dif, or perhaps even
the way the heat sensor works in combination with the unreplaced heat
pad producing an unreliable reading??? I know that's reaching but these
little things worry me:)
Is it going to fry because I didn't use a new heat pad as recommended by
AMD?
Any thoughts appreciated.
IJM
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Roger M
Guest
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| Posted: Wed Dec 17, 2003 8:02 am Post subject: Re: Temp drop of 25 degrees. Was it dust or super cheap mod? |
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ItsJustMe wrote:
| Quote: | I have an AMD 1400. Sorry, it's not overclocked so I'm probably off
topic but I can't think of a group of people who would know more about
cooling. And my super cheap mod could be slightly useful to someone.
After heatsink removal, and replacement, How critical is it to replace
the pad (looks like a small piece of double sided tape to me) between
the heatsink an the CPU <everytime> as recommended by AMD?
I read their website, I know the AMD answer is, yes, it must be replaced
everytime...
but has anyone ever just left the old one alone? If scraped off
clearly there would be nothing there, but if left alone it seems to me
that the remaining halves on the heatsink and cpu would line back up
(the hold down spring won't be right if the halves of the pad aren't
lined back up) and press back together. Maybe you couldn't get away with
it forever but I only did it once.
I got a 15 to 25 degree temp drop (depending on room temp) by cleaning 2
years worth of dust collection off the heatsink and putting a piece of
tape on the top and bottom of the heatsink where there is a large slot
that the hold down spring passes through. It seemed clear to me,
confirmed by feeling the airflow with my fingers, that most of the air
flow was passing through this larger slot, bypassing the cooling fins,
and doing little cooling. The two small pieces of tape that I applied to
each end (top and bottom) between the fan and the hold down spring
blocked most of the large center slot and forced the air from the
cooling fan through the smaller slots of the cooling fins. There is now
an airflow difference, through the cooling fins, that I can feel with my
fingers -- a lot :)
And the CPU temp, as registered in the CMOS PLUNGED!
Now, was it dust removal, or the tape that made the dif, or perhaps even
the way the heat sensor works in combination with the unreplaced heat
pad producing an unreliable reading??? I know that's reaching but these
little things worry me:)
Is it going to fry because I didn't use a new heat pad as recommended by
AMD?
Any thoughts appreciated.
IJM
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Yeah the tape thing on the heat sink works wonders. I felt the same way
about the air bypassing the cooling fins on my amd hsf on my barton. I put
the tape over the two slots where the clip sticks out and the temp dropped
about ten degrees on mine. It dropped the temp enough I upped the core
voltage .5V and raised the fsb up to 212mhz. I'm now running much faster and
at a lower temperature than before. Neat trick. I use a commercial heat sink
compound for auto electronics.
Roger |
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Neil
Guest
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| Posted: Fri Dec 19, 2003 3:50 am Post subject: Re: Temp drop of 25 degrees. Was it dust or super cheap mod? |
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ItsJustMe wrote:
| Quote: | I have an AMD 1400. Sorry, it's not overclocked so I'm probably off
topic but I can't think of a group of people who would know more about
cooling. And my super cheap mod could be slightly useful to someone.
After heatsink removal, and replacement, How critical is it to replace
the pad (looks like a small piece of double sided tape to me) between
the heatsink an the CPU <everytime> as recommended by AMD?
I read their website, I know the AMD answer is, yes, it must be replaced
everytime...
but has anyone ever just left the old one alone? If scraped off
clearly there would be nothing there, but if left alone it seems to me
that the remaining halves on the heatsink and cpu would line back up
(the hold down spring won't be right if the halves of the pad aren't
lined back up) and press back together. Maybe you couldn't get away with
it forever but I only did it once.
I got a 15 to 25 degree temp drop (depending on room temp) by cleaning 2
years worth of dust collection off the heatsink and putting a piece of
tape on the top and bottom of the heatsink where there is a large slot
that the hold down spring passes through. It seemed clear to me,
confirmed by feeling the airflow with my fingers, that most of the air
flow was passing through this larger slot, bypassing the cooling fins,
and doing little cooling. The two small pieces of tape that I applied to
each end (top and bottom) between the fan and the hold down spring
blocked most of the large center slot and forced the air from the
cooling fan through the smaller slots of the cooling fins. There is now
an airflow difference, through the cooling fins, that I can feel with my
fingers -- a lot :)
And the CPU temp, as registered in the CMOS PLUNGED!
Now, was it dust removal, or the tape that made the dif, or perhaps even
the way the heat sensor works in combination with the unreplaced heat
pad producing an unreliable reading??? I know that's reaching but these
little things worry me:)
Is it going to fry because I didn't use a new heat pad as recommended by
AMD?
Any thoughts appreciated.
IJ
|
you'd see even better temps removing the old pad and using some thermal
paste compared to the old TIM that was on there.
Neil |
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