Mac Pro :: RAM Works Better When Evenly Divided Between Ports
Dec 29, 2010
I've finally managed to decide (and scrape enough together) to purchase my macpro. I've decided on the base 2.8 which comes with 3 x 1gb ram sticks. I've decided to add two x 4gb sticks from Crucial with the 2 x 1 single sticks in the other ports giving me a total of a 10Gb machine. My only question is I've been told that machines run faster (or RAM works better) when it has evenly portioned between ports. i.e. the same amount in each RAM port.
So in my proposed setup I'd have an uneven portioning of RAM. So my question is: is the RAM even RAM port thing true? And if so would I notice the effect? 10GB should be fine for my needs but if there is an effect with uneven division of RAM would I be better going for 3 x 4GB sticks giving me12GB and simply leaving the 4th port vacant?
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Feb 3, 2009
When I started up my iMac the USB ports stopped working. It didn't respond at all. The weird thing is that they work at the startup when you choose between Windows/Mac OS X when holding in ALT. They also work in Windows, but not in OS X. Does anyone know how to solve this problem?
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Mar 20, 2008
I've got a Powerbook G4 that has a booting issue. I will hear the startup "dong" a whirl of the drive, then it doesn't go to the grey screen with the Apple. It just sits there with a black screen.If I wait a few hours and try it, sometimes it starts up fine, or sometimes it will sit on the grey screen with the Apple symbol and do nothing.If it does boot correctly, none of the USB ports work. Any ideas on if its worth trying to repair since its 2 and a half years old and I didn't get the Apple Extended Service plan?
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Aug 20, 2014
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Jul 19, 2009
During a botched Linux install. The partition was 64 GB, but now there are two, one is 45 GB and the other is about 20 GB. No earthly idea how I did that. How to restore them back to one single 64 GB partition, preferably without having to reformat and reinstall OS X.
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Oct 2, 2009
If so, do you use them and what sound system do you have?
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Jun 27, 2009
I just installed a Seagate 500gb, 7200rpm hard drive in my 13" MBP that was updated to EFI Firmware Update 1.7. Clean install of OS X and iLife '09 & iWork '09 went fast. It's quite and fast compared to my old Samsung 500gb, 5400rpm hard drive. It was worth the $120 I spent on it!
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Apr 5, 2012
Like two months ago, my MBP started to work really slow when not plugged to electricity, but as soon as I plug it in, my MBP works perfectly. I already sent it to apple for they to fix it, but they solved other issued except for that one. Please, any idea what could it be.
Info:
MacBook Pro
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Apr 21, 2008
The Mac Pro only has 2 400 and 2 800 ports. and I was wondering if there was a way to get more, or split them. I have a lot of externals and an isight, etc. Or maybe a solution is daisy-chaining harddrives, does anyone know anything about this, or how to do it.. I'm afraid to experiment with my data.
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Oct 16, 2008
Since apple is now in fashion to reduce the amount of ports in laptops, what do you think will happen to next MP model?
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Will there also be proprietary graphics cards with miniDP?
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Mar 3, 2009
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Mar 17, 2009
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Dec 15, 2009
I'm having a NAT issue while sharing my internet via ethernet to my xbox360. I've opened the required ports except for 88 in my router because it uses that for services (friggin belkin). I'm still getting a strict NAT on my xbox and I should have a Moderate NAT if I have every port but 88 open. I know that Tiger had a setting for port forwarding in system preferences, but for the life of me I cant find it in snow leopard. Does anyone know how I could forward the necessary ports?
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Feb 15, 2012
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Info:
MacBook Air, Mac OS X (10.7.1)
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Dec 11, 2006
My usb ports in my c2d macbook don' t seem to be working. When I plug in my digital camera (sony) or itunes phone (motorola), nothing happens. I tried both of these devices on my 2 old powerbooks and they sync fine. Anyway I can check whether my macbook usb ports are functioning?
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Jun 13, 2007
would it be possible to solder any wires to get power onto the USB ports on a G3 iMac? I have a blue 500Mhz model, if that would make any difference. the reason that I want to do this is because all of the iPods use USB now, and I would like to be able to charge mine while I am syncing it.
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Apr 24, 2008
Hi, i have a 24" intel core 2 duo 2.4GHz imac aluminum 1 gb ram.
I first noticed this problem when i plugged in my ipod, it would not open itunes, appear in itunes, the desktop or finder. i managed to resolve this problem by reinstalling itunes and plugging in my ipod before i turned on the computer, but i can not change anything as it gets stuck while syncing with my ipod and says that my ipod is disconnected, i reconnect but the ipod not not appear on the screen.
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Aug 5, 2008
All of a sudden a few days ago, I realized that my keyboard was not working. It was plugged into my 23" ACD. So I unplugged it and put it into my Mac Pro. It worked. So I decided that my ACD's USB ports were not working. A phone call to AppleCare and he told me to take the display for repair to the Apple Store. I just did that, and the USB's worked fine in the store. I take it home, still does not work. So I thought my USB ports on my Mac Pro must be bad. But everything else I plug into all three of the back ones works just fine; but my ACD does not. In the store, he used all of my own cables / power adapter. Why is my USB not working for my ACD but it is for everything else?
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Sep 2, 2008
I just moved into a new apartment with my roommate and we got a new router - a Dlink DIR 615. For some reason, I can't seem to open the necessary ports for Transmission. I've been forwarding ports for Transmission forever now, and it always works. I've never done it, however, on a Dlink router - it's always been Linksys. Is there any difference between the two? Included is a screenshot of the settings. And to avoid all the obvious (I think) questions, I do have a static IP address, I have indeed set the right ports on both the settings and Transmission, and I have enabled everything (again, I think). I'm obviously missing something, but I have no idea what it is.
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Sep 21, 2008
I have two memory sticks (loads of space on both of them.)
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Dec 21, 2008
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The iMac does go to sleep a few minutes after I leave it, but sleep has never precluded an iPhone battery charge on my MacBook, and most of the time it works on the iMac.
Is there anything, besides shutting down a computer, that causes a USB port to unpower while the iMac is sleeping? Does it matter whether I am logged in or simply at the login screen?
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Dec 27, 2008
Does anyone know how to
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Feb 1, 2009
I recently went away for the weekend and when I came back my USB ports don't work. When I first start my 24" iMac the mouse lights up but then goes off later on when it's booting up. I really don't know what to do and i'm not even sure if I got any discs with my iMac as it had Leopard preloaded...
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Jul 21, 2009
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Oct 2, 2009
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Basically, I am trying to troubleshoot a slow Transmission torrent download, and the one thing I can't do is 'check the ports' -- because I don't even know what that means.
I have a MBP and am running OS 10.4.11...
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May 14, 2010
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May 15, 2010
i am looking for a specific Macbook pro verticale stand.The computer sits in it vertically, lengthways (sideways) and with the ports down that plug into the stand.There are ports on the back of the stand that you can use to plug the comp into an external monitor and usb and whatnot.I saw it on here a while ago but cannot remember where to find it
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May 15, 2010
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Nov 27, 2008
I brought my 3-year old ibook to the Mac store a few weeks ago because my USB ports stopped working. The kind genius behind the bar rebooted the ports during start up.
My ports stopped working again and wanted to try and reboot the ports. Can anyone tell me how to do that?
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Jan 21, 2009
Im trying to use Vuze (the old Azureus) to run some torrents. What do i have to do to maximize my d/l and u/l speeds?
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