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Author Topic: Bitcoin Contraption of the week  (Read 5780 times)
P4man
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February 02, 2012, 08:59:50 PM
 #1

So what do you do when a 5870 fan fails, when the card is still under warranty, when there are warranty seals on the screws and you havent gotten an RMA number yet?

Simple, take a fan, a hot glue gun and fix it!

Except, one fan didnt do it. The original broken fan is still in there, and its not moving and blocking the airflow. So it overheated. Badly.

So you take a second fan. Better but still not good enough.

So you do the obvious thing and find whatever fans you have of roughly the right size and you end up with this beauty:





Now its back to 60C Cheesy.

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DeathAndTaxes
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February 02, 2012, 09:00:49 PM
 #2

Wow.....

I think just "wow" is enough.
Kluge
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February 02, 2012, 09:03:30 PM
 #3

Next, attach the nozzle of a ShopVac.  Shocked  Tongue

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P4man
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February 02, 2012, 09:04:59 PM
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Next, attach the nozzle of a ShopVac.  Shocked  Tongue

I would have, if I had one. I considered a hairdryer too!

ZodiacDragon84
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The king and the pawn go in the same box @ endgame


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February 02, 2012, 09:08:32 PM
 #5

them dang bitminter guys are resourceful  Wink

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DeathAndTaxes
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February 02, 2012, 09:57:51 PM
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them dang bitminter guys are resourceful  Wink

"Those coins aren't going to mint themselves so grab that blowtorch. I got an idea ..."
scifimike12
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February 02, 2012, 10:29:54 PM
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Takes a whole new meaning to 5-slot cooler.   Cheesy
P4man
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February 02, 2012, 10:54:56 PM
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Laugh all you want. It does work.... and better than the stock one :p




... provided you only have 1 per rig lol.

jake262144
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February 02, 2012, 11:00:33 PM
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Nicely done Cheesy
I see you're staying true to your DIY spirit...
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February 03, 2012, 12:02:09 AM
 #10

Nicely done Cheesy
I see you're staying true to your DIY spirit...

+1 nice, a support on the side just in case Cheesy
dunno why i have the feeling that i lose money every time i have to RMA a card, hmm

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cypherdoc
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February 03, 2012, 01:17:18 AM
 #11

Laugh all you want. It does work.... and better than the stock one :p




... provided you only have 1 per rig lol.

wait, thats a 5870 and you're getting 456.22 MH/s?
ZodiacDragon84
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February 03, 2012, 01:21:35 AM
 #12

Laugh all you want. It does work.... and better than the stock one :p




... provided you only have 1 per rig lol.

wait, thats a 5870 and you're getting 456.22 MH/s?

Not that far fetched

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ssateneth
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February 03, 2012, 02:40:33 AM
 #13

Laugh all you want. It does work.... and better than the stock one :p




... provided you only have 1 per rig lol.

wait, thats a 5870 and you're getting 456.22 MH/s?

I get 503 on my 5870 @ 1090/330. P4's 456mhash @ 1000mhz has a small room for improvement; I can do 461.47 at 1000/330.

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February 03, 2012, 03:27:55 AM
 #14

Laugh all you want. It does work.... and better than the stock one :p




... provided you only have 1 per rig lol.

wait, thats a 5870 and you're getting 456.22 MH/s?

I get 503 on my 5870 @ 1090/330. P4's 456mhash @ 1000mhz has a small room for improvement; I can do 461.47 at 1000/330.

how would you get your self down to 330 in Windows?
jake262144
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February 03, 2012, 04:24:44 AM
 #15

how would you get your self down to 330 in Windows?

Perhaps an uninformed question as I'm not doing Windows mining, can't you just request 330MHz in cgminer?
Does the card refuse to set memory that low?
If cgminer fails on Windows, I'd try Afterburner/Trixx. Something's bound to work.
cypherdoc
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February 03, 2012, 04:26:07 AM
 #16

Perhaps an uninformed question as I'm not doing Windows mining, can't you just request 330MHz in cgminer?
Does the card refuse to set memory that low?
If cgminer fails on Windows, I'd try Afterburner/Trixx. Something's bound to work.

it doesn't work.
Starlightbreaker
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February 03, 2012, 04:29:01 AM
 #17

clocktweak.

i drop my 58xxs to 150mhz or whatever's optimal with it.


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ZodiacDragon84
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February 03, 2012, 04:43:34 AM
 #18

Run the ATI Bios hacker to drop clocks so low.

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P4man
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February 03, 2012, 08:09:51 AM
 #19

Perhaps an uninformed question as I'm not doing Windows mining, can't you just request 330MHz in cgminer?
Does the card refuse to set memory that low?

Works fine here. Though my dedicated miners run linux, my main PC is also used for mining and runs both windows and linux. I have no problem letting cgminer set the memory clock to 300 on any OS.

If it helps, on windows I do not use catalyst other then enabling the overdrive (it still shows default clocks btw). I dont use any of the other trix/whatever apps. Just wait until catalyst has fully loaded before launching cgminer, and it will set 300 Mhz with no problems.

P4man
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February 03, 2012, 08:17:28 AM
 #20

+1 nice, a support on the side just in case Cheesy
dunno why i have the feeling that i lose money every time i have to RMA a card, hmm

Because you do, lol.
Im wondering if I should RMA the card. Its only a fan, and I fear it might take weeks and end up getting something completely different in return, like a *shrug* 6870 or something. This card also happens to be my best overclocker, it will do almost 1.1Ghz at stock voltage.

OTOH,  just replacing the fan will void warranty, and I still have ~18 months of warranty on it. Its not unthinkable it will actually break in that time.

To complicate matters more, Im going to oil cool these cards in a few weeks. I, pretty sure that will void warranty anyhow, as the stickers wont survive that, and I am not going to be able to clean it without taking it apart. So this would be my last opportunity to get a "free fan"

decisions, decisions,...  Tongue

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