Removing an Alpha PAL 8045?

MonstaThrilla

Golden Member
Sep 16, 2000
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Hey all,

I was attempting to clean the dust from my HSF today, and in the process I think I may have dislodged or moved my Alpha PAL 8045 away from the CPU (a Tbird) and burned the poor thing. I get no video signal anymore when I boot up and my mouse and keyboard don't get powered either. However I get the "FF" signal on my Epox board (which means the machine has successfully POSTed) but there's no beep to signify its turned over to the OS.

I've concluded that my CPU is burnt, but the bad part is I can't figure out how to get the damn Alpha off of it. It doesn't use the clip like other heatsinks, rather its bolted onto the mobo through the little holes at each corner of the CPU socket. Its been 2 years since I installed it and can't remember how I did it. I've lost the installation instructions and can't find anything on removal online. Anyone got any ideas?

Thanks.
 

MangoTBG

Diamond Member
Apr 28, 2003
3,101
0
76
You are going to have to take the mobo out of the case. In the back there should be 4 nylon nuts, unscrew them and the thing is removed :)! Goodluck! You could try unscrewing the thing from the top, but I've found that I ended up stripping the damn nylon nuts.
 

mechBgon

Super Moderator<br>Elite Member
Oct 31, 1999
30,699
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For reference, to remove the PAL8045 from the top, slip a 1/4-inch open-end wrench under the base of the heatsink and hold the aluminum standoffs while removing the springbolts gradually with a screwdriver.

Sorry about the ol' Tbird :(
 

neutralizer

Lifer
Oct 4, 2001
11,552
1
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Why would you want an Alpha PAL 8045, those things are huge and not quite as good as some the Thermalright's out there right now.
 

odog

Diamond Member
Oct 9, 1999
4,059
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Originally posted by: mechBgon
For reference, to remove the PAL8045 from the top, slip a 1/4-inch open-end wrench under the base of the heatsink and hold the aluminum standoffs while removing the springbolts gradually with a screwdriver.

Sorry about the ol' Tbird :(

i have these near 90 degree angle plyers that are perfect for that!

 

ethebubbeth

Golden Member
May 2, 2003
1,740
5
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There are valid reasons for using something other than a thermalright heatsink. For instance, I want to use a 90mm panaflo L1A on my heatsink to get decent airflow/noise. However, the slk900 is too big for my moboard... i'd have to bend the capacitors around the socket pretty far in order to get it to fit. However, the slk800 cant use an 80-->90 fan adaptor because it doesn't use screws to keep the fan attached. Therefore a pal8045 was my best option. It's a great heatsink in its own right
 

MonstaThrilla

Golden Member
Sep 16, 2000
1,652
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I bought that Alpha 2 years ago, when it was the best on the market.

Anyway, I'm researching new CPUs for my board. It looks like the AMD 2400+ Thoroughbred is the last Athon at 266 Mhz? Would that be compatible with the AMD761 chipset (my Epox 8K7A mobo)? The Epox site says Athlon XPs are compatible with my board, but I'm guessing the 333 Mhz Athlons are a no go.

Its only $80 at Newegg, which seems like a steal.
 

Megatomic

Lifer
Nov 9, 2000
20,127
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Originally posted by: mechBgon
Originally posted by: neutralizer
Why would you want an Alpha PAL 8045
How about "It's already paid for" :D
The Alpha PAL 8045 is still a nice, very high end cooler for AMD chips. I am using one to cool my overclocked Barton 2500+ and the temps are low. And because the heatsink is so big and efficient I can use a quiet Vantec Stealth fan giving me a quiet computer. To sum up, there is absolutely NOTHING wrong with the Alpha PAL 8045 (unless you were shortsighted and bought a mobo with no bolt holes around the CPU socket).
 

MangoTBG

Diamond Member
Apr 28, 2003
3,101
0
76
There are valid reasons for using something other than a thermalright heatsink. For instance, I want to use a 90mm panaflo L1A on my heatsink to get decent airflow/noise. However, the slk900 is too big for my moboard... i'd have to bend the capacitors around the socket pretty far in order to get it to fit. However, the slk800 cant use an 80-->90 fan adaptor because it doesn't use screws to keep the fan attached. Therefore a pal8045 was my best option. It's a great heatsink in its own right

Word to yo motha! I had an 80mm to 120mm adapter on my Alpha Pal 8045. It's a damn good heatsink.

I bought that Alpha 2 years ago, when it was the best on the market.

Anyway, I'm researching new CPUs for my board. It looks like the AMD 2400+ Thoroughbred is the last Athon at 266 Mhz? Would that be compatible with the AMD761 chipset (my Epox 8K7A mobo)? The Epox site says Athlon XPs are compatible with my board, but I'm guessing the 333 Mhz Athlons are a no go.

Its only $80 at Newegg, which seems like a steal.

Couldn't you get a 2500+ and via the bios run it at 266MHz? If so I'd grab one of those instead that way whenever you decide to upgrade your mobo/ram you'll be ready to hit 3200+ speeds :). 2500+s are what? $13 more expensive? Throw another $83 down for an Epox 8RDA+ and if you have PC2700 you'd be set until you were ready to overclock.