Mac Pro :: Fans Revs Very Fast / ATI Radeon HD 4870
Apr 10, 2010
So, I got a flashed ATI Radeon HD 4870 off eBay. It's running fine, but it revs for every little thing I do. Every time I scroll on a webpage...It's revving for every letter I type. The faster I type, the louder it gets. If I watch a video, it runs at high speed. The X1900 XT was quiet compared to this thing.It's like it's set to run the fan as high as it can for every little thing that happens. What do I do?
I also just tested it in WoW, and it was getting about 12FPS in Shattrath at full graphics. I think I remember my x1900 getting the same, if not better. Something's gotta be wrong. Now it's just constantly running its fans, and I'm not even doing anything. I'm on my Macbook. My Mac Pro is just sitting there, nothing but the Finder.I'm also not happy with the speed it renders video compared to my dinosaur x1900 XT. Not worth the upgrade. Could the ROM they flashed it with be bad?
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Mar 19, 2009
Does anyone game on a Mac Pro with an ATI Radeon HD 4870? How is the performance? Can it play most games? I'd be gaming at 1920x1200.
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Mar 16, 2009
I installed the OEM Radeon HD 4870 in a First Generation "Clovertown" 3.0GHz 8-core Mac Pro. It's working. This is the model I mean (see right column). [URL]. I pulled the card from a Nehalem.) I booted from the drive that came with the Nehalem. (Easier than cloning the system or trying to get the drivers to copy over - which gave an error on boot.) It runs with no problems. I'm busily running 3D Game benchmarks which I will report back on later tonight or tomorrow morning.
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Jun 7, 2009
I only use my Mac Pro for Final Cut Studio not gaming.
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Jun 10, 2009
I bought the PC version of the ATI Radeon HD 4870 and flashed it with the mac ROM. Everything went fine. I then moved the original card to slot 2 and put the new ATI card into slot one. I connected the monitor to the new ATI card and booted up. I get the apple logo, but after that, my monitor loses signal. If i plug the monitor into the original card (which is now in slot 2), it works fine. The desktop shows up. Any ideas on what is going on here? Is there anyway to check what hardware is installed in the computer? Any utilities?
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Oct 11, 2009
This a secondary thread of the ATI Radeon 4890 Compatibility List [URL] The goal of this thread is the same as the original thread, to give a proper list of what cards will and will not work on a Mac Pro. A quick recap for those too lazy (or without enough time) to read through that entire thread (please correct me if I misunderstood or have provided incorrect information, thanks):
1) Flashing will only work on REFERENCE CARDS (and only some reference cards for that matter), NOT overclocked or modified cards.
2) Dual DVI seems to work fine under Snowy (10.6.1), but your mileage may vary on older versions of Leopard depending on the card you are using.
3) Older versions of Sapphire and XFX seem to work, but newer revisions are being problematic. I read one instance of success with an HIS card...Diamond did not seem to work for that person (so he tried a HIS and it worked).
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Oct 16, 2010
So I have a ATI Radeon HD 4870 on my Mac Pro and a 26" HDTV and I want to use it as my second display and utilize it's speakers (to watch movies while I work). Can I send audio through a mini display port to HDMI connector from this card or will i have to buy a secondary cable to plug into the audio out jack? Also are there syncing concerns with the two connections (hdmi and auto cable)
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Dec 1, 2009
I have a 1,1 Mac Pro. Am I going to see a good difference in performance? I mainly do motion graphics and Photoshop related tasks. Gaming is secondary. Just wondering what your guys' thoughts are and if it's worth the price upgrade.
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Apr 6, 2009
I recently just purchased one of the early 2008 Mac Pro Desktops, model number MA970LL/A and am trying to upgrade the video card in it. It comes standard with an ATI Radeon HD 2600 xt, and I would like to upgrade to an ATI Radeon HD 4870. I don't know that it will work though, I know that the NVIDEA that comes standard in the early 2009 Mac Pro does not work in the early 2008 Model. Does anyone have any information on this or know if that will work?
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Mar 31, 2009
The ridiculously long thread title pretty much says it all. Is it possible to buy one of Apple's ATI Radeon 4870 cards with the mini-display port connection, install them in a PC, and then use the LED Cinema Display with a PC?
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Oct 8, 2009
So I have an Early 2009 Octocore 2.93 and I have a flashed ATI Radeo HD 4870 video card that is supposed to work on a PC but its flashed so it works on a mac. I know its not officially supported but the issue im running into is that the operating system cannot recognize the full resolution the HP LP3065 30 inch display is capable of. The display can run up to 2560x1600 on any other system but not with my ten thousand dollar machine. The windows side can display at the full resolution but Snow Leopard can only run 1280x800 and it makes the OS look like a pile of dog **** on sunday.
Anyone else run into this issue?
Heres the link btw to where this guy shows how to flash the card.
[URL]
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Jul 29, 2009
I bought HIS Radeon HD4870 512MB DDR5 for my Mac Pro 2006 1.1. The first problem I've found it that card will not fit to slot 1, because of too long screws. So I installed it in slot 2, leaving 7300GT in slot 1. The next problem was how to get rid of these power cables - I've tried the more elegant way taking that molex adapter under HDD trays, but cables where too short So I installed them on the right of Superdrive's tray. Now on Mac OS X I got kernel panic (probably the injector thing). On Windows Vista card is detected, but automatically disabled (probably not enough power or just PCI-EX 1x slot is not compatible). Here are photos from the operation. I'll try to install Accelero S1 rev. 2 with Noctua 120 mm fan and will see how things go I've also ordered two special Apple PCI-EX power connectors from Austria.
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Apr 26, 2009
I just picked up a G4 MDD off ebay. Everything seems to be working fine, and it passed tech tools tests for whatever that is worth. The only thing I noticed is that for about 2 or 3 seconds during boot the fans seem to rev up pretty high, then settle back to normal. Does anyone else with this computer have this issue or has anyone heard of it?
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Jul 28, 2009
The fans on my G5 Pro are running at close to 3000rpm most of the time. I have read other forums and do not think this is normal at all. I started looking into the fans because I am getting frequent kernel panics (black screen crashes) and thought it might be the machine over heating. My CPUs are at about 50C to 52C and the fans are constantly running that fast.
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Jul 31, 2009
For the last couple of days my fans have been going crazy, spinning at 6200RPM non stop. I installed fan control last month but the issues just started. When I open up fan control it says my fan should be spinning at 4000RPM. I had smcFanControl installed before and its still installed. My bluetooth module over heated yesterday so I used SMC to rev up the fans. I don't know if that is the issue because it isn't running now. I'll try uninstalling that now.
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Aug 3, 2009
Anyone here know if the fans run less now? My Macbook 2.2Ghz fans run a lot and this things HOT a lot of times. Have the computers become cooler running now vs. then? I am interesting in upgrading, but my main concern is the heat. I just don't enjoy a private space heater here in the desert...
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Sep 20, 2010
I just started a video chat on Skype and my MacBook fans started going and are now really loud. Just checked my processes and it said this: Fans are currently at 4550rpm but are now much quieter than when I started writing this.
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Jul 13, 2010
This problem just started happening on my 2005 Power Mac G5 Dual 2.3Ghz Processors.
I activate sleep, and it refuses to wake up again. Then after a few minutes the fans slowly increase in speed until the computer begins to sound like an aeroplane taking off, at which point I'm forced to perform a forced shutdown.
I've resetted the PMU and it doesn't seem to have worked. It is fully up-to-date in Software Update and is running the latest version of OS X Leopard.
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Sep 7, 2010
I'm worried about too much heat and wearing out fans in both the card and my Mac.Below are the conditions, but first:
-Is it normal for this kind of card to run ALL the time? How do I know if it's acting correctly?
-Given the heat and fan speed info below, are my Mac and internal drives OK?
-Am I risking any breakdowns? Due to heat or fans running too much... or?
-Do all graphics cards cause the fans to run like this? Is there a cooler card out there?
-Suggestions to lessen the heat effects... or for another alternative?
Condition:
MacPro Xeon / Dual 2.66 processor / 4 GB RAM
Radeon HD3870 Card in Bottom slot
E-Sata card in top slot.
No other cards installed
4 Terabyte Internal Drives
Temperatures (in fahrenheit): (via iStat widget)
HardDrives: 110 / 104 / 108 / 97
CPU A: 95
CPU B: 92
Expansion Slots: 95
Ambient: 76
Fan Speeds:
Exhaust: 599
CPU Fan: 499
Power Supply: 599
HD/Expansion: 501
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Jan 1, 2011
Sometimes when I put the display to sleep, my imac's fans will spin really fast until I restart the computer.
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Dec 16, 2008
Originally my iMac G5 (1.6 GHz 17 inch) was failing to boot up. It would get to the grey screen and the apple and it would just stay there and pretend to be a rocket ship with it's little fan whirring as fast as it could after five minutes. So I reset the SMU, fan stopped, still wouldn't boot. Booted it off the 10.5 install cd (which it was running fine until it wouldn't start up). It wouldn't see the Macintosh HD for a while unless you went to disc utility > partitions and changed it from current to one and instead of applying just let it sit there before switching it back to current. Took about 10 minutes of sitting there.
I did disk repair said there was no problem. Disk permission repair said there was a few problems and said it repaired them. To be safe I backed everything up using target disk mode (where the fan tried to play rocket again even though I reset the SMU), erased my hard drive and reinstalled. Now it shuts down randomly when it goes idle, and takes 10 minutes to start up past loading the dock to load the apple bar Mac HD icon and whatever is on the desktop (which is a single empty folder).
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May 7, 2008
just received my new MP and noticed the same thing with the 08 Modell which is that the door sits slightly offset on the case meaning theres a little gap about 0,5mm between the closed door and the outer case.
Second my fans "boostA & boostB" are spinning at 1100rpm at idle I thought they should normally idle at around 800rpm? (I read at least)
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Aug 23, 2009
I have an older imac - 2Ghz PowerPC G5 that constantly sounds like the hard drive or some kind of drive is revving up and down. This especially happens when attempting to watch video or bring anything up with lots of graphics on the page.
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Jul 27, 2009
the other day i wake up and open my macbook pro and immediately heard the fan making noises ive never heard it make before. i checked istat pro. the fans were going at 2000rpm. this is when i started to get concerned since i would never hear the fans at that speed before. the difference was day and night. it sounds like the one or both of the fans are hitting something. i always hear the noise when i start up or wake up from sleep and after a while (30 minutes to an hour) it usually goes away but has come back once without me turning off or putting the computer to sleep. its a refurbished less than a little more than a month ago. im hoping its just some dirt that made it through keyboard and will eventually go away because i dont want to send my machine in to get manhandled by apple repair. has anyone had something like this happen before?
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Mar 19, 2009
Can the Mac mini with 4GB of RAM run VMFusion 2.02 with Windows XP Home properly without any problems? Is 2.0GHz fast enough, or even 2.26GHz fast enough for VMFusion? Does the Mac mini have enough horse power to run Windows XP?
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Sep 21, 2009
Can a 06 Mac Pro run it?
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Oct 6, 2008
Just bought a couple weeks ago, 2.8ghz 8-core Mac Pro. My only complaint is the wimpy 2600 XT that it came with.
I know I could put in the 3870 or 8800GT but that would be a step down from my windows pc that I just switched from, which was running 4850.
I've heard the rumors that Mac will soon support the 4800 series ATI cards but my question is will the card work on my current Mac Pro or would this upgrade only be for the new Mac Pros that everyone is guessing will come out in January?
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Jun 10, 2009
When I say I'd want the power of the 4870, I mostly mean gaming with that card. Now that I've typed this out, it sounds less and less like it would work.
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Aug 23, 2009
I need some help getting some facts straight. I am considering upgrading from the 4870 to the 285. It's a fine idea except that the 285 is very expensive, but at least I could try and sell the 4870 and maybe get $300CAD for it. Then I thought, what about just getting a second 4870 and crossfiring them?
I have read through a good 3 or 4 threads on these forums about powering the second card, flashing PC cards and working with crossfire... that was a freaking long 3 hours of reading non-stop.
So I have these questions which I hope someone here can answer with reasonable certainty.
1) When doing crossfire, do the cards have to be very similar for them to work? If 1 card is 512 and the other 1GB will there be any advantage over just getting a card with 512?
2) If other cards of the same family work, would a crossfiring of the apple 4870 with a 4870X2 perform similar to 3 X 4870 in crossfire?
3) Could someone explain the cables and/or hardware needed to power the second card from the second optical drive slot? I think the best way to go is 1 cable from each card to the regular spot and 1 cable from each card going to the same connector in the optical bay.
4) Apparently 2 X apple 4870s don't work with crossfire. But does this apply to combining an apple 4870 with an unflashed PC 4870?
5) I thought I read about some attempts to modify the ROM of the apple card to enable crossfire with some success. Is that true and if so where is this ROM and does it negatively impact the apple 4870 in OSX?
6) If have read in the past (I think with the PC 3870s) that if you connect a second unflashed card to an apple card with the crossfire link that the card behaves in OSX (doesn't spin it's fans wildly). I don't need it to do anything in OSX except not blow up, I only care about it working in windows. I'd like to avoid flashing the PC card if I can.
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Feb 22, 2010
guys would a flashed 4870 from this tutorial
[URL]
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