However, unlike the bit architecture of the G5, Intel's Core Duo is a bit processor; so if you found yourself making use of bit applications on the old iMac, this won't be possible on the new model. I don't think this is a big problem, though, since the main advantage of bit processing is being able to address a large amount of memory, and the first and second-generation iMac G5s only supported up to 2 and 2.
More importantly, to my knowledge there aren't yet any music or audio applications for OS X that have been optimised to address a bit memory space in any case. The after-purchase upgrade works out a little more expensive, especially if you install two 1GB cards and have to discard the original MB card.
Despite the bit and memory issues, the newer Core-Duo based architecture does offer performance improvements as we'll see in a moment , partly thanks to its 2MB Level 2 cache, up from the k cache supplied with the iMac G5's processor. Caches are used to store frequently accessed data, and it's much quicker for a processor to access an item of data from a cache instead of the main memory, so a larger cache helps to keep the processor busy instead of waiting for data from main memory.
The front-side buss speed of the system is now MHz, which is a little faster than the MHz of the previous inch model, and a little slower than the MHz of the previous inch model.
How to Tell if Your Mac is 32-bit or 64-bit
Although the G5's architecture had a bigger buss in terms of bandwidth, the Core Duo architecture's buss has slightly less latency, which means memory access is much faster. Here's a screenshot many Mac users never expected to see The inch iMac features a 1. Both models feature a slot-loading 8x speed Superdrive, which is also capable of burning dual-layer discs at 2. The Intel iMacs also inherit the connectivity improvements introduced with the second-generation iMac G5. On the first-generation iMac G5 the ports were located in a vertical line on the back of the right-hand side of the computer, which looked a little untidy once you started plugging in a large number of peripherals.
The newer machines now have the expansion ports running horizontally along the bottom of the computer also on the back of the case , allowing you to loop cables neatly through the circular hole provided on the iMac's stand. There are three USB 2. Gigabit Ethernet is provided, which is great for those using Logic Node, of course, along with built-in Airport Extreme and Bluetooth 2. Apple's wireless keyboard and mouse are optional extras, but a standard wired keyboard and Might Mouse are provided as standard.
I'm still not in love with the Mighty Mouse, but I do use one on a day-to-day basis since getting used to it. There's a built-in microphone which is useful, at least for the built-in iSight camera and built-in stereo speakers that, like previous models, are located on the bottom of the iMac and reflect the audio off the desk towards the listener.
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The new iMac was released at Macworld in January, and although I got one shortly after they became available, it didn't make sense to write a review until suitable software became available to give some kind of meaningful review for musicians and audio engineers. At the time of writing, the Universal Binary version of Logic 7. While the 'how many instances and voices'-style test using Logic is not perfect, I've used it to test many Macs over the past few years, so it should provide some kind of comparison with Power PC-based Macs running Logic. To keep the conditions somewhat consistent, as with other Macs we've tested, I used just the built-in sound hardware and a buffer size of samples.
Not bad; but notice how even though Logic's CPU meters are flat out, the 80 percent User CPU usage in Activity Monitor suggests there may still be even more potential for performance improvements. Staying with the reverb plug-ins, I next tried Space Designer , which produced some surprising results: I was able to run 30 simultaneous instances with about 90 percent User usage and around percent usage for the Logic Process.
This is surprising when you consider the benchmarks for reverb plug-ins on different Macs as shown in Figure 1, as you'll notice this is very close to the 34 instances I could run on my dual What's going on? We'll come back to this in just a moment. Moving onto the number of instrument voices that can be played simultaneously, I was able to get 88 Sculpture voices with the 'Attack Flute' preset, via 11 instances of the instrument each playing eight voices. The Logic Process used about percent of the system at this point and the User usage was around 87 percent.
This is an instrument I've substituted before for systems with not quite enough memory, and it seems to give the same results as a larger instrument. As usual, EXS24 's Virtual Memory option was disabled so as to provide the best performance capability. In original storage mode which, in this case is bit with the filter disabled, EXS24 was capable of playing stereo voices simultaneously with 85 percent User usage approximately percent for the Logic Process. With the filter enabled, it was possible to play voices with 88 percent User usage around percent for the Logic Process and with bit storage mode enabled and the filter disabled, voices could be played with 86 percent User usage about percent for the Logic Process.
Overall, these results are pretty interesting. Obviously, the new Intel iMac is more powerful than its Power PC-based predecessor, and pretty much lives up to Apple's claim of being twice as fast.
Review: Mac mini Core 2 Duo | Macworld
With the similarities in architecture between the new iMac and the Macbook Pro, you can see how much more powerful this new Mac portable will be compared to a Powerbook. Macbook white 2. It reboot but it could be just a bad avd configuration. Anyway really happy to finally see the android logo, thanks for the fix guys! Nevermind, tried again and it worked. Good job guys.
Quote: Alessio B. Skip to main content. Seth N. RSS Top. Last post. For more complete information about compiler optimizations, see our Optimization Notice. Log in to post comments. Ionel Mitel Intel. Try HAXM 5. It should work with Atom x86 system image. Matt G. I've got an app I need to take a variety of different-screen-sized screenshots in, and not being able to use HAXM is making it an extremely painful process : Thanks, Matt. Erroneous post removed. Thank you so much for getting back to me on this Matt! So the issue seems to be: HAXM 5.
Ricardo S. I'm experiencing the same exact problem. ARM images work, x86 and x images don't.
Why 64-bit Processors Matter in Your Mac
Intel: Help? Doug L. Same problem exists for me too. Yosemite Colleen C. Hi Colleen, Thanks for responding! Let me know if you need any more info. Cheers, Matt. This has been escalated within Intel as a bug and developers will be looking at the issue. Brad A.
What is a processor?
Chris C. Brian P. Another Core 2 Duo widow It used to work fine before the "upgrade" : Mac mini - Mid 2. John H. I'm having the same issue: Mac osx Mid MBP 2. Originally Posted by RandB. Find all posts by JFreak. Originally Posted by JFreak. I think you should already know that you will be self-supporting the system. You're welcome to try anything you like, but whatever is supported is guaranteed to work and Avid can help you with it -- everything else is at your own risk.
That is just my opinion but Avid has blessed some other configurations too. Anything less than that and God forbid less than 8GB memory will introduce you some kind of trouble eventually.
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Darryl Ramm. I have an older iMac Core2Duo 2. Thanks to those who responded.