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External
Since: Jun 15, 2007
Posts: 4
|
(Msg. 1) Posted: Fri Jun 22, 2007 5:20 am
Post subject: Heatsink doesn't make contact with CPU
Archived from groups: alt>comp>hardware>overclocking (more info?)
|
|
|
Hello.
I had a C2D E4300 with a Abit QuadGT Motherboard.
I installed it with the stock heatsink using Arctic Silver thermal
paste (very sparingly). It didn't work. So I unplugged everything to
send motherboard back but I noticed the heatsink contact surface which
is circular seems to have hardly made any physical contact with the
CPU. The thermal paste on the CPU is mostly untouched except for a
circular ring which corresponds to the edges of the heatsink.
Anyway, I sent mobo back and got a exact replacement. This time I used
a Zalman 9700NT but I STILL get the same problem, the CPU and heatsink
barely seem to make any physical contatc, the thermal paste is not
disturbed very much and seems to be mostly untouched. What could be
the problem? The CPU? Surely not BOTH heatsinks? Both motherboards?
I've sent everything back except the Zalman and now got a new E4300
and Abit P5BE Plus motherboard, gonna try it this weekend, but a bit
unsure especially with the past experiences I've had. I've built
plenty of systems before and am pretty sure I'm not doing anything
obviously wrong. |
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|
 | |
External
Since: Jun 15, 2007
Posts: 4
|
(Msg. 2) Posted: Fri Jun 22, 2007 8:53 am
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
On 22 Jun, 15:49, "Phil Weldon" <not.disclo....TakeThisOut@example.com> wrote:
> 'peter' wrote:
>
> | it takes quite a bit of pressure to push those four pins down into their
> | locking sleeves.....and then turn to lock into place.
> | That is the 1st thing I would check.
> | Next I would check the bottom of the heatsink for contours........but if
> it
> | happened with 2 different models I suspect not locked in properly.
> _____
>
> I agree with your diagnosis completely. A good way to check for proper
> installation of the heatsink is to twist it around an axis perpendicular to
> the CPU heat spreader, and then to rock it gently back and forth. If the
> heatsink tilts then the push and twist pins are not properly inserted and
> locked.
>
> Phil Weldon
>
> "peter" <p....TakeThisOut@nowhere.net> wrote in message
>
> news:r0Rei.52656$1i1.17541@pd7urf3no...
> | it takes quite a bit of pressure to push those four pins down into their
> | locking sleeves.....and then turn to lock into place.
> | That is the 1st thing I would check.
> | Next I would check the bottom of the heatsink for contours........but if
> it
> | happened with 2 different models I suspect not locked in properly.
> | peter| "Burning_Ranger" <aziz....TakeThisOut@googlemail.com> wrote in message
>
> |news:1182514844.272482.264160@g4g2000hsf.googlegroups.com...
> | > Hello.
> | >
> | > I had a C2D E4300 with a Abit QuadGT Motherboard.
> | >
> | > I installed it with the stock heatsink using Arctic Silver thermal
> | > paste (very sparingly). It didn't work. So I unplugged everything to
> | > send motherboard back but I noticed the heatsink contact surface which
> | > is circular seems to have hardly made any physical contact with the
> | > CPU. The thermal paste on the CPU is mostly untouched except for a
> | > circular ring which corresponds to the edges of the heatsink.
> | >
> | > Anyway, I sent mobo back and got a exact replacement. This time I used
> | > a Zalman 9700NT but I STILL get the same problem, the CPU and heatsink
> | > barely seem to make any physical contatc, the thermal paste is not
> | > disturbed very much and seems to be mostly untouched. What could be
> | > the problem? The CPU? Surely not BOTH heatsinks? Both motherboards?
> | >
> | > I've sent everything back except the Zalman and now got a new E4300
> | > and Abit P5BE Plus motherboard, gonna try it this weekend, but a bit
> | > unsure especially with the past experiences I've had. I've built
> | > plenty of systems before and am pretty sure I'm not doing anything
> | > obviously wrong.
> | >
> |
The Zalman doesn't clip in but screws into a mounting bracket that
goes on the back of the motherbaord, I can't imagine it would be
difficult to get this wrong. And I even got a friend of mine who has a
very similar heatsink (Zalman 9500) to do it for me) so it's unlikely
we got it wrong. Is it possible the CPU surface wasn't flat? |
|
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External
Since: Feb 01, 2006
Posts: 62
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(Msg. 3) Posted: Fri Jun 22, 2007 2:28 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
it takes quite a bit of pressure to push those four pins down into their
locking sleeves.....and then turn to lock into place.
That is the 1st thing I would check.
Next I would check the bottom of the heatsink for contours........but if it
happened with 2 different models I suspect not locked in properly.
peter
"Burning_Ranger" <aziz001.RemoveThis@googlemail.com> wrote in message
news:1182514844.272482.264160@g4g2000hsf.googlegroups.com...
> Hello.
>
> I had a C2D E4300 with a Abit QuadGT Motherboard.
>
> I installed it with the stock heatsink using Arctic Silver thermal
> paste (very sparingly). It didn't work. So I unplugged everything to
> send motherboard back but I noticed the heatsink contact surface which
> is circular seems to have hardly made any physical contact with the
> CPU. The thermal paste on the CPU is mostly untouched except for a
> circular ring which corresponds to the edges of the heatsink.
>
> Anyway, I sent mobo back and got a exact replacement. This time I used
> a Zalman 9700NT but I STILL get the same problem, the CPU and heatsink
> barely seem to make any physical contatc, the thermal paste is not
> disturbed very much and seems to be mostly untouched. What could be
> the problem? The CPU? Surely not BOTH heatsinks? Both motherboards?
>
> I've sent everything back except the Zalman and now got a new E4300
> and Abit P5BE Plus motherboard, gonna try it this weekend, but a bit
> unsure especially with the past experiences I've had. I've built
> plenty of systems before and am pretty sure I'm not doing anything
> obviously wrong.
> >> Stay informed about: Heatsink doesn't make contact with CPU |
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| Back to top |
|
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External
Since: Feb 10, 2007
Posts: 140
|
(Msg. 4) Posted: Fri Jun 22, 2007 2:49 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
'peter' wrote:
| it takes quite a bit of pressure to push those four pins down into their
| locking sleeves.....and then turn to lock into place.
| That is the 1st thing I would check.
| Next I would check the bottom of the heatsink for contours........but if
it
| happened with 2 different models I suspect not locked in properly.
_____
I agree with your diagnosis completely. A good way to check for proper
installation of the heatsink is to twist it around an axis perpendicular to
the CPU heat spreader, and then to rock it gently back and forth. If the
heatsink tilts then the push and twist pins are not properly inserted and
locked.
Phil Weldon
"peter" <peter RemoveThis @nowhere.net> wrote in message
news:r0Rei.52656$1i1.17541@pd7urf3no...
| it takes quite a bit of pressure to push those four pins down into their
| locking sleeves.....and then turn to lock into place.
| That is the 1st thing I would check.
| Next I would check the bottom of the heatsink for contours........but if
it
| happened with 2 different models I suspect not locked in properly.
| peter
| "Burning_Ranger" <aziz001 RemoveThis @googlemail.com> wrote in message
| news:1182514844.272482.264160@g4g2000hsf.googlegroups.com...
| > Hello.
| >
| > I had a C2D E4300 with a Abit QuadGT Motherboard.
| >
| > I installed it with the stock heatsink using Arctic Silver thermal
| > paste (very sparingly). It didn't work. So I unplugged everything to
| > send motherboard back but I noticed the heatsink contact surface which
| > is circular seems to have hardly made any physical contact with the
| > CPU. The thermal paste on the CPU is mostly untouched except for a
| > circular ring which corresponds to the edges of the heatsink.
| >
| > Anyway, I sent mobo back and got a exact replacement. This time I used
| > a Zalman 9700NT but I STILL get the same problem, the CPU and heatsink
| > barely seem to make any physical contatc, the thermal paste is not
| > disturbed very much and seems to be mostly untouched. What could be
| > the problem? The CPU? Surely not BOTH heatsinks? Both motherboards?
| >
| > I've sent everything back except the Zalman and now got a new E4300
| > and Abit P5BE Plus motherboard, gonna try it this weekend, but a bit
| > unsure especially with the past experiences I've had. I've built
| > plenty of systems before and am pretty sure I'm not doing anything
| > obviously wrong.
| >
| >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Feb 10, 2007
Posts: 140
|
(Msg. 5) Posted: Fri Jun 22, 2007 7:41 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
'Burning Ranger' wrote:
| The Zalman doesn't clip in but screws into a mounting bracket that
| goes on the back of the motherbaord, I can't imagine it would be
| difficult to get this wrong. And I even got a friend of mine who has a
| very similar heatsink (Zalman 9500) to do it for me) so it's unlikely
| we got it wrong. Is it possible the CPU surface wasn't flat?
_____
|It is possible that the CPU heat spreader is not completely flat, but
chances are you got it wrong. What are the temperatures you get for the
CPU? Can you get the CPU temperature in a 'System Health' page in the BIOS?
It is easy to do a rough check for flatness; use a single edge razor blade
edge on to the heat spreader - check at several angles around the axis
perpendicular to the spreader. If that doesn't show a gap then check the
surface of the heatsink in the same way.
Phil Weldon
"Burning_Ranger" <aziz001.DeleteThis@googlemail.com> wrote in message
news:1182527615.012798.265240@m36g2000hse.googlegroups.com...
| On 22 Jun, 15:49, "Phil Weldon" <not.disclo....DeleteThis@example.com> wrote:
| > 'peter' wrote:
| >
| > | it takes quite a bit of pressure to push those four pins down into
their
| > | locking sleeves.....and then turn to lock into place.
| > | That is the 1st thing I would check.
| > | Next I would check the bottom of the heatsink for contours........but
if
| > it
| > | happened with 2 different models I suspect not locked in properly.
| > _____
| >
| > I agree with your diagnosis completely. A good way to check for proper
| > installation of the heatsink is to twist it around an axis perpendicular
to
| > the CPU heat spreader, and then to rock it gently back and forth. If
the
| > heatsink tilts then the push and twist pins are not properly inserted
and
| > locked.
| >
| > Phil Weldon
| >
| > "peter" <p....DeleteThis@nowhere.net> wrote in message
| >
| > news:r0Rei.52656$1i1.17541@pd7urf3no...
| > | it takes quite a bit of pressure to push those four pins down into
their
| > | locking sleeves.....and then turn to lock into place.
| > | That is the 1st thing I would check.
| > | Next I would check the bottom of the heatsink for contours........but
if
| > it
| > | happened with 2 different models I suspect not locked in properly.
| > | peter| "Burning_Ranger" <aziz....DeleteThis@googlemail.com> wrote in message
| >
| > |news:1182514844.272482.264160@g4g2000hsf.googlegroups.com...
| > | > Hello.
| > | >
| > | > I had a C2D E4300 with a Abit QuadGT Motherboard.
| > | >
| > | > I installed it with the stock heatsink using Arctic Silver thermal
| > | > paste (very sparingly). It didn't work. So I unplugged everything to
| > | > send motherboard back but I noticed the heatsink contact surface
which
| > | > is circular seems to have hardly made any physical contact with the
| > | > CPU. The thermal paste on the CPU is mostly untouched except for a
| > | > circular ring which corresponds to the edges of the heatsink.
| > | >
| > | > Anyway, I sent mobo back and got a exact replacement. This time I
used
| > | > a Zalman 9700NT but I STILL get the same problem, the CPU and
heatsink
| > | > barely seem to make any physical contatc, the thermal paste is not
| > | > disturbed very much and seems to be mostly untouched. What could be
| > | > the problem? The CPU? Surely not BOTH heatsinks? Both motherboards?
| > | >
| > | > I've sent everything back except the Zalman and now got a new E4300
| > | > and Abit P5BE Plus motherboard, gonna try it this weekend, but a bit
| > | > unsure especially with the past experiences I've had. I've built
| > | > plenty of systems before and am pretty sure I'm not doing anything
| > | > obviously wrong.
| > | >
| > |
|
| The Zalman doesn't clip in but screws into a mounting bracket that
| goes on the back of the motherbaord, I can't imagine it would be
| difficult to get this wrong. And I even got a friend of mine who has a
| very similar heatsink (Zalman 9500) to do it for me) so it's unlikely
| we got it wrong. Is it possible the CPU surface wasn't flat?
| >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Sep 28, 2004
Posts: 398
|
(Msg. 6) Posted: Sat Jun 23, 2007 12:16 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
"Phil Weldon" <not.disclosed.DeleteThis@example.com> wrote in message
news:ZBVei.36$tj6.21@newsread4.news.pas.earthlink.net...
> 'Burning Ranger' wrote:
> | The Zalman doesn't clip in but screws into a mounting bracket that
> | goes on the back of the motherbaord, I can't imagine it would be
> | difficult to get this wrong. And I even got a friend of mine who has a
> | very similar heatsink (Zalman 9500) to do it for me) so it's unlikely
> | we got it wrong. Is it possible the CPU surface wasn't flat?
> _____
>
> |It is possible that the CPU heat spreader is not completely flat, but
> chances are you got it wrong. What are the temperatures you get for the
> CPU? Can you get the CPU temperature in a 'System Health' page in the
> BIOS?
>
> It is easy to do a rough check for flatness; use a single edge razor blade
> edge on to the heat spreader - check at several angles around the axis
> perpendicular to the spreader. If that doesn't show a gap then check the
> surface of the heatsink in the same way.
>
> Phil Weldon
>
I recently read an article (maybe on Tom's Hardware.....forget) that showed
how the 775 processor holder mechanism can prevent full contact with the
heatsink. Just removing the CPU and reseating it, making sure that the clamp
is fully secure can fix this problem. I guess that sometimes the CPU doesn't
always seat evenly when it is clamped down. I haven't seen this problem
myself, but I can see how it could happen.
Ed >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Feb 10, 2007
Posts: 140
|
(Msg. 7) Posted: Sat Jun 23, 2007 1:52 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
'Ed Medlin' wrote:
| I recently read an article (maybe on Tom's Hardware.....forget) that
showed
| how the 775 processor holder mechanism can prevent full contact with the
| heatsink. Just removing the CPU and reseating it, making sure that the
clamp
| is fully secure can fix this problem. I guess that sometimes the CPU
doesn't
| always seat evenly when it is clamped down. I haven't seen this problem
| myself, but I can see how it could happen.
_____
Yep, I see how that could happen. Improper installation seems the most
likely culprit ( it took me a good three or four tries to get it right. I
don't consider the twist-lock plastic push-pins a very good design. When I
go to CPU water cooling I'll take a good look at the mechanism.
Phil Weldon
"Ed Medlin" <ed RemoveThis @edmedlin.com> wrote in message
news:5a8fi.3420$Rw1.621@newssvr25.news.prodigy.net...
|
| "Phil Weldon" <not.disclosed RemoveThis @example.com> wrote in message
| news:ZBVei.36$tj6.21@newsread4.news.pas.earthlink.net...
| > 'Burning Ranger' wrote:
| > | The Zalman doesn't clip in but screws into a mounting bracket that
| > | goes on the back of the motherbaord, I can't imagine it would be
| > | difficult to get this wrong. And I even got a friend of mine who has a
| > | very similar heatsink (Zalman 9500) to do it for me) so it's unlikely
| > | we got it wrong. Is it possible the CPU surface wasn't flat?
| > _____
| >
| > |It is possible that the CPU heat spreader is not completely flat, but
| > chances are you got it wrong. What are the temperatures you get for the
| > CPU? Can you get the CPU temperature in a 'System Health' page in the
| > BIOS?
| >
| > It is easy to do a rough check for flatness; use a single edge razor
blade
| > edge on to the heat spreader - check at several angles around the axis
| > perpendicular to the spreader. If that doesn't show a gap then check
the
| > surface of the heatsink in the same way.
| >
| > Phil Weldon
| >
| I recently read an article (maybe on Tom's Hardware.....forget) that
showed
| how the 775 processor holder mechanism can prevent full contact with the
| heatsink. Just removing the CPU and reseating it, making sure that the
clamp
| is fully secure can fix this problem. I guess that sometimes the CPU
doesn't
| always seat evenly when it is clamped down. I haven't seen this problem
| myself, but I can see how it could happen.
|
| Ed
|
| >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Sep 28, 2004
Posts: 398
|
(Msg. 8) Posted: Sun Jun 24, 2007 9:50 am
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
"Phil Weldon" <not.disclosed.TakeThisOut@example.com> wrote in message
news:WA9fi.139$Od7.52@newsread1.news.pas.earthlink.net...
> 'Ed Medlin' wrote:
> | I recently read an article (maybe on Tom's Hardware.....forget) that
> showed
> | how the 775 processor holder mechanism can prevent full contact with the
> | heatsink. Just removing the CPU and reseating it, making sure that the
> clamp
> | is fully secure can fix this problem. I guess that sometimes the CPU
> doesn't
> | always seat evenly when it is clamped down. I haven't seen this problem
> | myself, but I can see how it could happen.
> _____
>
> Yep, I see how that could happen. Improper installation seems the most
> likely culprit ( it took me a good three or four tries to get it right. I
> don't consider the twist-lock plastic push-pins a very good design. When
> I
> go to CPU water cooling I'll take a good look at the mechanism.
>
> Phil Weldon
>
The water block that was supplied by Swiftech in my case is a bolt through
mount. It is a 'diamond' something or other that has a lot of little facets
inside that supposedly gives more surface area to exchange heat to the
liquid. It is very easy to install before mounting the MB in the case, but
any change will require removing the MB if your case does not allow access
to the rear of the MB in the processor area. The twist lock pins are
probably the worst design I have ever seen for HS mounting. Intel actually
reccomends replacing the HS if you ever remove it and I can see why.
Ed >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Jun 16, 2007
Posts: 11
|
(Msg. 9) Posted: Sun Jun 24, 2007 12:29 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
Ed Medlin wrote:
> "Phil Weldon" <not.disclosed RemoveThis @example.com> wrote in message
> news:WA9fi.139$Od7.52@newsread1.news.pas.earthlink.net...
>> 'Ed Medlin' wrote:
>> | I recently read an article (maybe on Tom's Hardware.....forget)
>> | that showed
>> | how the 775 processor holder mechanism can prevent full contact
>> | with the heatsink. Just removing the CPU and reseating it, making
>> | sure that the clamp
>> | is fully secure can fix this problem. I guess that sometimes the
>> | CPU doesn't
>> | always seat evenly when it is clamped down. I haven't seen this
>> | problem myself, but I can see how it could happen.
>> _____
>>
>> Yep, I see how that could happen. Improper installation seems the
>> most likely culprit ( it took me a good three or four tries to get
>> it right. I don't consider the twist-lock plastic push-pins a very
>> good design. When I
>> go to CPU water cooling I'll take a good look at the mechanism.
>>
>> Phil Weldon
>>
>
> The water block that was supplied by Swiftech in my case is a bolt
> through mount. It is a 'diamond' something or other that has a lot of
> little facets inside that supposedly gives more surface area to
> exchange heat to the liquid. It is very easy to install before
> mounting the MB in the case, but any change will require removing the
> MB if your case does not allow access to the rear of the MB in the
> processor area. The twist lock pins are probably the worst design I
> have ever seen for HS mounting. Intel actually reccomends replacing
> the HS if you ever remove it and I can see why.
>
> Ed
Cheap high-volume installation wins out over enthusiast convenience and
precision.
--
Phil >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Feb 10, 2007
Posts: 140
|
(Msg. 10) Posted: Sun Jun 24, 2007 5:26 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
'Phil' wrote:
| Cheap high-volume installation wins out over enthusiast convenience and
| precision.
_____
Yet they make CPUs that consitently overclock by 50% or better B^) I'll
take that any day.
Phil Weldon
"Phil" <nice RemoveThis @try.to> wrote in message
news:467e9bd2$0$31271$4c368faf@roadrunner.com...
| Ed Medlin wrote:
| > "Phil Weldon" <not.disclosed RemoveThis @example.com> wrote in message
| > news:WA9fi.139$Od7.52@newsread1.news.pas.earthlink.net...
| >> 'Ed Medlin' wrote:
| >> | I recently read an article (maybe on Tom's Hardware.....forget)
| >> | that showed
| >> | how the 775 processor holder mechanism can prevent full contact
| >> | with the heatsink. Just removing the CPU and reseating it, making
| >> | sure that the clamp
| >> | is fully secure can fix this problem. I guess that sometimes the
| >> | CPU doesn't
| >> | always seat evenly when it is clamped down. I haven't seen this
| >> | problem myself, but I can see how it could happen.
| >> _____
| >>
| >> Yep, I see how that could happen. Improper installation seems the
| >> most likely culprit ( it took me a good three or four tries to get
| >> it right. I don't consider the twist-lock plastic push-pins a very
| >> good design. When I
| >> go to CPU water cooling I'll take a good look at the mechanism.
| >>
| >> Phil Weldon
| >>
| >
| > The water block that was supplied by Swiftech in my case is a bolt
| > through mount. It is a 'diamond' something or other that has a lot of
| > little facets inside that supposedly gives more surface area to
| > exchange heat to the liquid. It is very easy to install before
| > mounting the MB in the case, but any change will require removing the
| > MB if your case does not allow access to the rear of the MB in the
| > processor area. The twist lock pins are probably the worst design I
| > have ever seen for HS mounting. Intel actually reccomends replacing
| > the HS if you ever remove it and I can see why.
| >
| > Ed
|
| Cheap high-volume installation wins out over enthusiast convenience and
| precision.
|
| --
| Phil
|
| >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Feb 10, 2007
Posts: 140
|
(Msg. 11) Posted: Sun Jun 24, 2007 5:30 pm
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
'Ed Medlin' wrote:
| I recently read an article (maybe on Tom's Hardware.....forget) that
showed
| how the 775 processor holder mechanism can prevent full contact with the
| heatsink. Just removing the CPU and reseating it, making sure that the
clamp
| is fully secure can fix this problem. I guess that sometimes the CPU
doesn't
| always seat evenly when it is clamped down. I haven't seen this problem
| myself, but I can see how it could happen.
_____
I remember attaching heatsinks to Slot II CPUs with tie-wraps B^)
Phil Weldon
"Ed Medlin" <ed RemoveThis @edmedlin.com> wrote in message
news:5a8fi.3420$Rw1.621@newssvr25.news.prodigy.net...
|
| "Phil Weldon" <not.disclosed RemoveThis @example.com> wrote in message
| news:ZBVei.36$tj6.21@newsread4.news.pas.earthlink.net...
| > 'Burning Ranger' wrote:
| > | The Zalman doesn't clip in but screws into a mounting bracket that
| > | goes on the back of the motherbaord, I can't imagine it would be
| > | difficult to get this wrong. And I even got a friend of mine who has a
| > | very similar heatsink (Zalman 9500) to do it for me) so it's unlikely
| > | we got it wrong. Is it possible the CPU surface wasn't flat?
| > _____
| >
| > |It is possible that the CPU heat spreader is not completely flat, but
| > chances are you got it wrong. What are the temperatures you get for the
| > CPU? Can you get the CPU temperature in a 'System Health' page in the
| > BIOS?
| >
| > It is easy to do a rough check for flatness; use a single edge razor
blade
| > edge on to the heat spreader - check at several angles around the axis
| > perpendicular to the spreader. If that doesn't show a gap then check
the
| > surface of the heatsink in the same way.
| >
| > Phil Weldon
| >
| I recently read an article (maybe on Tom's Hardware.....forget) that
showed
| how the 775 processor holder mechanism can prevent full contact with the
| heatsink. Just removing the CPU and reseating it, making sure that the
clamp
| is fully secure can fix this problem. I guess that sometimes the CPU
doesn't
| always seat evenly when it is clamped down. I haven't seen this problem
| myself, but I can see how it could happen.
|
| Ed
|
| >> Stay informed about: Heatsink doesn't make contact with CPU |
|
| Back to top |
|
| |
External
Since: Jun 15, 2007
Posts: 4
|
(Msg. 12) Posted: Mon Jun 25, 2007 5:59 am
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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External
Since: Sep 28, 2004
Posts: 398
|
(Msg. 13) Posted: Mon Jun 25, 2007 8:28 am
Post subject: Re: Heatsink doesn't make contact with CPU [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
"Phil Weldon" <not.disclosed.TakeThisOut@example.com> wrote in message
news:wSxfi.512$tj6.402@newsread4.news.pas.earthlink.net...
> 'Ed Medlin' wrote:
> | I recently read an article (maybe on Tom's Hardware.....forget) that
> showed
> | how the 775 processor holder mechanism can prevent full contact with the
> | heatsink. Just removing the CPU and reseating it, making sure that the
> clamp
> | is fully secure can fix this problem. I guess that sometimes the CPU
> doesn't
> | always seat evenly when it is clamped down. I haven't seen this problem
> | myself, but I can see how it could happen.
> _____
>
> I remember attaching heatsinks to Slot II CPUs with tie-wraps B^)
>
> Phil Weldon
>
I have done that recently...  I had a I-815 (S 478) MB and had a heavy TT
brass HS attached. One of the four uprights flat out broke off so I took a
tie-wrap and ran it under the HS mount and around the HS/Fan assembly and
tightened the sucker down and it worked fine. Hell, it is still working that
way today down in S. Texas AFAIK. I think it was a P4 2.53ghz @ about 3ghz
IIRC. On the Slot IIs, I used some kind of two part epoxy on a 'cut to fit'
HS. It was a one time deal though. Once it was on, it was
permanent...... . The HS would get pretty hot, so I guess the epoxy stuff
was fairly good HS compound........
Ed >> Stay informed about: Heatsink doesn't make contact with CPU |
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