IMac :: 4850 EFI Firmware Update To Fix Freeze Ups
May 2, 2009
It's avihappy again and I have another survey for you all. As you can see, there is now an iMac 4850 EFI firmware update available via software update. So can you: Find a test that will cause the iMac to freeze up. Do the update. (make sure you actually run the firmware updater tool, it may not run automatically when you install the update from Software Update.) Switch to WiFi. Do the test again. See if the iMac freezes!
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May 30, 2009
I got my wife the new iMac with a Radeon 4850 to replace her ancient PC (and I meant ANCIENT) and she had massive issues with lockups due to overheating, especially when playing fullscreen 3D games like World of Warcraft in Mac OSX or any of her Windows XP games in bootcamp.
After the EFI Firmware Update 1.4 she's had far less issues, but she's still had 1 lockup (playing Diablo 2 stangly enough, a very old low detail game) and graphical glitches in WoW which caused her to stop playing out of fear of a lockup before it could happen.
Her computer temps are still extremely high but our house temp is only 72degrees.
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Apr 28, 2009
do you think the issue with the radeon is the hardware or do you think a simple update in the future will fix it?
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Apr 21, 2012
I recently downloaded a firmware update from Apple both as a stand-alone software and using software update but everytime I restart, my computer makes one loud beeping sound and tries to boot three or four times unsuccessfully and maybe on the fifth or fourth, it finally comes on. When I go through software update after this, it still shows the same firmware and same version of it as an update I haven't downloaded. And another thing it freezes a lot since I downloaded this firmware update. This is how it shows on software update; Macbook Pro EFI Firmware Update version 2.7 size: 4.1 MB.
Info:
MacBook Pro, Mac OS X (10.7.3), 13 inches 2.3 GHz processor speed.
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Jul 29, 2010
I have an 2009 27inch imac with an ATI Radeon HD 4850 and was wondering if it is somehow possible to take the 5750 from a 2010 model and replace the 4850 with it?
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May 8, 2012
It seems that prior updates worked. However, when I update to 10.6.8 my system will freeze. The only that that moves is my cursor.I can be on the web, scrolling. It will happem when new email is being down loaded. I can be working on th PC side and will experence it. I ran the "Disk" repair. But even after the run is done the system will work for a short while and the freeze. Now I can reinstall 10.5 "Snow Lepoard" and not update to the latest "Package" update and all works well. So the main question is "What gives?". Its very troublesome. Is there any soulition to this?
Info:
iMac (20-inch Mid 2007), Mac OS X (10.6.8)
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Jan 29, 2009
Guess what i did? Yup , inserted the OSX disc without the firmware update. Got back into os 9 with the "sleep and wake" trick, But i do not know how i can install the firmware update. I have it download though.
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Jan 5, 2010
When given a video card update (esp from using windows) it almost always improves the video card. Apple releases the flicker fix update and I don't have a flicker issue. No screen issues at all really.
I feel like it's Russian roulette. Update or not? I know some people will say don't fix what ain't broke, but what exactly is IN the fix? Is it exclusively for the flicker issue or does it update/upgrade other aspects on the card? Mine has the ATI card in it.
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May 2, 2009
Just a quick silly question.iMac EFI Firmware Update popped up on the software update and I have now completed the update.It is okay to delete the iMac EFI Firmware Update from the Application Folder once you have updated the iMac?Also, if I have the Airport & Ethernet cable connected to my router, will my iMac use the Ethernet connection as default?
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Dec 21, 2009
Check software update.
Here's the official Apple link:[URL]
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Jan 2, 2010
A few months ago I upgraded my EFI Firmware on my Uni-MBP 13" to 1.7 and was getting constant Freeze and stalls. I then found out that it was because of the EFI firmware, so I went back to 1.6 and now its working fine.
Have apple fix this problem with a new upgrade like 1.8 of some sort? And if I was to Upgrade to SL would they have this problem as well?
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Jun 17, 2009
I know this affects iMac users than any other product so I thought it would be worth mentioning that Apple has released a Bluetooth firmware update found in Software Update: This update provides bug fixes and better compatibility with the Apple Wireless Mighty Mouse and Apple Wireless Keyboard. It installs on all Macintosh systems with Bluetooth based on the Broadcom chipset. Those who are having trouble, download and note any improvements for others who are having the same problem.
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Mar 12, 2012
After the firmware update yesterday, the finder on my MacBook Pro is no longer able to transfer files from my iMac to my MBP or vice versa. Most folders on my other mac are visible, but some crash the finder, transferring files gets part of them moved over, but then it stalls and crashes the finder.Seems like a serious bug. Or has the firmware update simply removed the file transfer possibility at all?Reinstalling Lion wasn't even possible as the recovery program stalled as well. It was not possible to choose a language.
Info:
MacBook Pro, iOS 5.0.1
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Apr 18, 2012
I have one of the original MacPros 1,1 2x266 currently running OS X 10.7.3. and indicating ROM Revision 3011. When I try to run this update, it fails saying I need OS X 10.6. Do I need the update (I presume yes since my ROM rev is lower), if so how can I install it?
Info:
Mac Pro, Mac OS X (10.7.3)
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Nov 16, 2007
I did a software update last night and the firmware update attempted to install. Unfortunately, it errors out with the message:
Necesary resources are missing, corrupt, or do not have the correct permissions. Delete the iMac Graphics Firmware Update and re-download it and run again.
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Feb 4, 2010
I was reluctant to update my 27inch i5 iMac with the new graphics card firmware update since I wasn't having any flickering issues. I finally caved in and did it thinking that nothing bad will happen, well of course something did. Ever since I updated it yesterday my computer makes a distinct and random popping sound from the speakers, it is soft but audible in my quiet room when I am working and it is driving me crazy.
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Mar 3, 2012
Superdrive Firmware Update 3.0 fails each time, /Applications/Utilities/SuperDrive Update.app asks me to quit all apps and try again which I did but of no. I also retried with a reboot.
Info:
MacBook, Mac OS X (10.6.8)
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Oct 30, 2010
I installed it 2 times with the software update e 1 time manually..
What's wrong? This is from the system profiler
Quote:
Versione Boot ROM:MP51.007F.B01
Version SMC (sistema):1.39f11
Versione SMC (slot processore):1.39f11
is the 1.39f11 the correct version?
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Apr 16, 2009
Has it frozen more than once since the time you've received it. Hopefully we can get some idea of what's going on. specify what CPU your system is running (2.93 or 3.06 ghz), along with info when you ordered the system, and when it was shipped.
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Apr 17, 2009
so I have decided to get a new iMac 24inch 3.06. The question at hand is do I need to upgrade to the ATI Radeon HD 4850?
I dont play video games. I do edit large raw photo files with CS4 and I do use Final Cut Express for my video editing. What do you think. Thanks again in advance for your input.
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Apr 24, 2009
If 10.5.7 does not fix the belief that wifi is causing freezes (or whatever it might be), we will be further down Apple's care list.
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Mar 10, 2009
I thought I would post this as the pc used in this review is very close to the top of the line imac. I included the pc specs below used in the review. Assuming the card in the imac is not the mobile version and the one listed in this review, those who wait are in for an amazing machine.
[URL]
Mainboard
nVIDIA nForce 680i SLI (eVGA) (1)
Intel X48 (ASUS) (2)
Processor
Core 2 Duo X6800 Extreme (2.9 ghz)
Graphics Cards
ati 4850 and 4870
Memory
2048 MB (2x1024MB) DDR2 CAS4 @ 1142 MHz Dominator Corsair
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Mar 17, 2009
I wrote it in another thread, but maybe I went OT, so...Does anyone know for sure if the ATI 4850 is the desktop version or the laptop version? I'm going to order the iMac24 but I want to be sure that the ATI card worth the money.
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Apr 15, 2009
this is my first posting but I am desperate and need some help Apple could not provide. Here is my situation:
- new iMac 9,1 2,93 GHz, 4 GByte, ATI Radeon 4850
- pre-installed OS: Leopard 10.5.6
I have access to a MBP and an older iMac. The MBP had a defective logic board some months ago so I decided to copy its content (after repair) to an external hard drive. I used this hard drive as my primary OS and used it with the MBP or iMac and did have the same data all the time - excellent time-saver for me. Now the new iMac was shipped yesterday. I tried to boot it from the very same external hard drive as well. It worked but there are some annoying facts I need some help to deal with: I cannot activate sleep mode with the new iMac. The graphics card seems not to work well: stuttering screen saver, slow high definition video playback, slow spaces etc. I cannot dim the monitor's backlight with F1/F2 keys nor the monitor setup. All these problems disappear when I boot from the internal HDD but that is not an option for me. It looks like the "old" Leopard installations lacks of some drivers. Is there a way to add them, is there another solution or will an update of Leopard 10.5.7 - at least most likely - solve the problem? Apple support did not feel the need to help for "exotic configurations". I was told a fresh installation of a retail Leopard copy on an external hard drive COULD work (no guarantee) but it would take me too much time to re-configure and I don't feel the desire to set up my system fresh and new like in old Windows days.
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Apr 27, 2009
Has anyone done some sort of a comparison?
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Jul 13, 2009
Is there much difference from a stock iMac with Nvidia GT 130 vs ATI HD 4850 for gaming? It would be nice to be able just to buy a stock machines rather than a custom with the ATI for $50.
My real concern is overall gaming proformance and heat produced by the two cards. Current iMac has the ATI 2600 HD Pro, which I think is pretty slow compared.
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Jul 27, 2010
correct me if I'm wrong but the 4850 has 800 pipelines and a 256 mb bus width as apposed to the 400 pipelines and 128 mb bus width in the 5750?
step backwards in terms of graphics?
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Jul 27, 2010
Who are well aware of the difference but video cards is something that i am not familiar with. I'm deciding between i5 refurb or the new i3 i am more interested in graphics power than cpu btw
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Mar 3, 2009
I'm going to be ordering my new iMac within the next couple days but need a little advice first.
Obviously, the 4850 is more powerful, but if these two cards had the exact same specs, would ATI or nVidia be the better choice?
Which company is Apple leaning towards, which company produces better Mac drivers, how will OpenCL play into this, etc.
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Apr 17, 2009
Those of you with the ATi 4850 card, is there any who have completed a reinstall and then still suffered with the freezing problem afterwards.
If so I am going to get back on to Applecare and demand a replacement.
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