rethaw
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July 03, 2011, 05:49:01 PM |
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I'm not sure if this would work for you as I don't (yet) have a Sapphire card, but I was able to get my fanspeed pretty low (~30%) by affixing a case fan near the ports pulling air out. A twist-tie works fine, though if you have DVI ports sticking out you will want to space it with a small shim. Its similar to placing a fan on the other exhaust, except I found it much easier to attach it to the metal there. It seems to me the metal conducts quite a bit of heat so it effectively acts as a passive cooler, with the added fan it works even better. I think a single fan could assist with the cooling of two cards in this way. $:~$ fan0 Fan speed query: Query Index: 0, Speed in percent Result: Fan Speed: 29%
$:~$ ct
Adapter 0 - ATI Radeon HD 5800 Series Sensor 0: Temperature - 68.00 C
Edit: The fan I have is low CFM, and nearly silent. A high CFM fan would certainly do an even better job lowering temp and fan speed.
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chungenhung
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August 24, 2011, 05:33:20 PM |
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And my Sapphire 5850 fan just died.... 500rpm at 100% speed.
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pekv2
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August 25, 2011, 01:12:37 AM |
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Had anyone successfully peal the sticker back to find an oil well on the sapphire 5850/5830's?
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hdfxst
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August 25, 2011, 01:18:56 AM |
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when you pull the sticker back,pull the plug and put a drop of oil in
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pekv2
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August 25, 2011, 01:23:20 AM |
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when you pull the sticker back,pull the plug and put a drop of oil in
Yea that is what my question was, if it had an oil well, my xfx 5830 fan didn't, it seized long ago, since then I been using a huge 120mm x 38mm panaflo on the xfx 5830 hs. So, I am guessing the sapphire extreme fans do have an oil well? If, so, I gotta contact my seller, see if it is still under warranty or what not, if not, Ima give er some lube. From reading, removing/unscrewing the fan from the HS eliminates the warranty, if so, how stupid.
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hdfxst
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August 25, 2011, 01:38:46 AM |
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I had my 5850 xtreme all apart(i tried to mount an accelero on it),the heatsink off the fan out and i never looked to see how the fan came apart,the next time coins drop to 6 dollars and i shut my miners down and i'll strip it down and oil the fans.I'll take pictures
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ArtForz
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August 25, 2011, 02:11:20 AM |
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If they're anything like the fans on these: http://www.newegg.com/Product/Product.aspx?Item=N82E16814102873Once they start "growling" the single sleeve bearing (!) is totally shot. Takes about 3-5 months at 100%. And there's no way to lubricate them. Whoever decided to put a cheap-ass sleeve bearing fan right on top of the hottest part of the heatsink was a true genius.
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bitcoin: 1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz i0coin: jNdvyvd6v6gV3kVJLD7HsB5ZwHyHwAkfdw
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pekv2
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August 25, 2011, 02:15:36 AM |
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Whoever decided to put a cheap-ass sleeve bearing fan right on top of the hottest part of the heatsink was a true genius.
Agreed, xfx sent me three new fan units "in separate occasions", they all crapped out. I gave up on asking for new fans and did as I stated above with 120mm fan.
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mikeo
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Oikos.cash | Decentralized Finance on Tron
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August 25, 2011, 02:24:17 AM Last edit: August 28, 2011, 02:42:48 AM by mikeo |
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Had a reference 5850 fan failure recently. No warranty and I didn't want to toss the card so I bought a Scythe SCVSG-1000 for ~$40US and it works great, coolest GPU in my 5-card miner, You do need to use an adhesive thermal paste (not supplied by Scythe) on the VRM chips otherwise the little heatsinks in the kit fall off and could damage the fan.
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phelix
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August 27, 2011, 06:23:31 PM |
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Had anyone successfully peal the sticker back to find an oil well on the sapphire 5850/5830's?
did not work at all for me, I think it did not get through. waranty is officialy flawed as soon as you take off the fan.
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Transisto
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November 03, 2011, 07:38:38 AM |
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cheap-ass sleeve bearing fan
I had posted a rant on Sapphire's website about their fans. It got deleted, They simply don't want to hear about it. I'd say ~20% of their fan will die within 4 month. And I'd bet 95% will die within a year, (even running at 100% 24/7 it shouldn't happen)
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pekv2
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November 05, 2011, 11:49:05 PM |
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(even running at 100% 24/7 it shouldn't happen)
Agreed.
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goxed
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Bitcoin / Crypto mining Hardware.
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December 23, 2011, 08:38:12 AM |
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Take this with a grain of salt, but injecting 3ml Mobil 1 5W30 does wonders for my GPU fans, make sure you blot up any oil trickling out, so as not to attract dirt or fibers. I have had 3 First D fans crap out on me and with the Mobil 1 oil they have been running happily since last 6 months or so.
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Revewing Bitcoin / Crypto mining Hardware.
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epsillion
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December 26, 2011, 12:10:48 PM |
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BkkCoins
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December 26, 2011, 02:30:21 PM |
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Wow $40 ! You can pick up used 5830s now for $75. Check out this other thread where they're looking at what appears to be the same fan. There is an eBay link there for a seller who has it $16 from China.
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SlaveInDebt
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December 27, 2011, 07:34:55 AM |
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Remove top stick Drill a hole in the top off center some Add oil Reapply sticker/tape
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"A banker is a fellow who lends you his umbrella when the sun is shining, but wants it back the minute it begins to rain." - Mark Twain
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Transisto
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December 29, 2011, 09:04:15 AM |
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Remove top stick Drill a hole in the top off center some Add oil Reapply sticker/tape
Clever, Did you try it, did it work. ? I think I did and it didn't.
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SlaveInDebt
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December 29, 2011, 10:13:11 AM |
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Worked fine, several months since then without issue.
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"A banker is a fellow who lends you his umbrella when the sun is shining, but wants it back the minute it begins to rain." - Mark Twain
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carlo
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December 30, 2011, 03:53:26 PM |
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Does somebody have some pictures how i can disassembe the fan from a Sapphire 5850 Xtreme ?
Thanks
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