FYI-

We've been experiencing much faster run times on the new Core i7 architecture (for both Mac and Linux machines), on the order of 16-18 hours for the entire recon-all ("-all') pipeline. Although your mileage may vary (depending on scan quality, amount of RAM, etc). The Radeon 4850 chip is more than enough to power visualization of tksurfer/tkmedit.

-Derin

On Oct 27, 2009, at 7:52 AM, Pedro Paulo de Magalhães Oliveira Junior wrote:

Hi,

This IMac is good for running up to 4 simultaneous recon-all

You can expect 30 hours for 4 simultaneous cases in this machine you described.

PPJ

Pedro Paulo de M. Oliveira Junior Diretor de Operações Netfilter & SpeedComm Telecom --- Novo Netfilter 3.2 www.Netfilter.com.br --- Novo Netfilter Small Business

2009/10/27 smithtro@comcast.net Hello,

I was wondering if the following specs on an IMac would meet the system requirements for FreeSurfer?

2.8GHz Quad-Core Intel Core i7 8GB 1066MHz DDR3 SDRAM - 2x4GB

1TB Serial ATA Drive ATI Radeon HD 4850 512MB 8x double-layer SuperDrive

We are an outpatient facility and perform a good bit of Brain imaging on an older population and my Radiologists are interested in performing Brain volume for MCI and Alzhiemer Dementia patients. From the preliminary information that I read on the FreesurferWiki, the software application is very intensive and tends to run the computer system pretty rough.

One of the biggest concerns would be the Graphics card? Is there a minimum memory spec (512mb or should it be higher)?

Any help would be greatly appreciated.

Regards,

Bill

William Smithtro RT(R)(MR) Chief MRI Technologist Laurel Highlands Advanced Imaging Johnstown PA www.LHAI.org

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