Memory normally refers to RAM. Temporary, high-speed storage used to keep frequently accessed information available for use and helps keep the computer running smoothly

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47 views

Should I reinstall the OS after restoring from time machine?

A while back, my MacBook Pro died. It was an older machine (2007 I think), with a Core 2 Duo processor. I was doing regular backups through Time Machine. I bought a I7 MBP, and re-staged the new ...
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1answer
127 views

sleepimage file size

I'm planning a clean install of my MacBook Pro with OS X 10.6 and I want to make a partition (among others) only for the sleepimage file. Here's the problem: the partition's size. I know that this ...
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1answer
363 views

2010 2.66 GHz 12 core Mac Pro not utilizing all 24 threads?

I just recently purchased a 2010 Mac Pro. I am wondering why all 24 threads never go past 50% usage when doing CPU intensive tasks. My coworker has a 2009 2.93 GHz 8 core Mac Pro and we both tried ...
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3answers
2k views

What kind of RAM should I use for my iMac?

My Specs are as follows: Model Name: iMac Model Identifier: iMac10,1 Processor Name: Intel Core 2 Duo Processor Speed: 3.06 GHz Number Of Processors: 1 Total Number Of Cores: 2 ...
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1answer
484 views

Latest OS X 10.8.3 Memory Leak [closed]

I have 8Gb memory installed. When I quit all of my programs i have free 500Mb. After purge command this value increased to 700Mb. Where is my 8Gb? It is marked as WIRED... Reboot helps but only for 1 ...
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2answers
467 views

MBP w/ OS X 10.8.3 Performing Quite Slowly Lately

My MBP (2.66 GHz i7, 4GB RAM, 500GB HDD) is about two or so years old. It's been running like a champ for most of its life. However, within the past few months, I've noticed a considerable degradation ...
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1answer
78 views

Can my iBook use any PC2700 DDR-SDRAM RAM?

My iBook currently has a stick of 256MB DDR PC2700 RAM installed. I want to bump this up to a gigabyte (because programs these days take a lot of RAM to link). I was wondering if an iBook G4 can use ...
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1answer
606 views

5Gb of RAM being used with NO software running?

My computer (brand new) was using 12 Gb of RAM so after I was done exporting my video I force-quit everything and 8 minutes later it's still using 5Gb or RAM, is this normal?! It seems like so much! ...
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2answers
464 views

Why my RAM runs at 800 MHz in 4 slots of my mac pro instead of 1066?

I've got a Mac Pro 4,1. I had two KVR1066D3Q8R7S/8G planks in it and it ran on 1066 Mhz. Now I've bought two planks of KVR1066D3Q8R7S/8GI (the same with "I" at the end - stands for intel ...
1
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1answer
847 views

Mac Mini has slowed to an unbearable crawl!

I've read a lot of other questions about speed, but my question does not seem to be answered anywhere. My Mac Mini is running so slow that I cannot see what I am typing. It takes up to 15 seconds to ...
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0answers
214 views

MacBook unusable due to kernel_task

I've disabled hibernation, and removed the sleep image file. I shutdown my Macbook Pro (15" retina), unticked the box to open windows on restart, and started my MacBook again. As soon as I'd logged on ...
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2answers
2k views

VirtualBox or Parallels: Great Visualization

I decide to choose two virtual machines. VirtualBox and Parallels. Issue: Which of them good enough for visualization tasks? (GPU, games) I want to install on my Macbook Pro 2011 more RAM: 4gb -> ...
2
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3answers
233 views

Transfer RAM from MacBook Mid 2010 to MacBook Pro 2008

I ruined my beloved mid 2010 MacBook and planning to get a used MacBook Pro 2008 (not unibody) now. Currently, I have 2x4GB memory units in my MacBook and I would like to now if I can use at least one ...
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0answers
297 views

Black Screen after installing RAM in MacBook (early 2008)

I've tried installing 2 x 2gb DDR2 PC2-6400 modules into an early 2008 MacBook. After installation the machine booted into a black screen, with no chime. I tried reseating the RAM, same problem. I ...
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5answers
134 views

Mac Pro 2007 crashes repeatedly

Yesterday my Mac Pro 1,1 (2007) running 10.7 started freezing up. It keeps on doing this after restart. Usually it will perform one task, but when asked to do a second, it freezes. The cursor will ...
2
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1answer
961 views

How can I disable the HD4000 integrated graphics card on a MacBook Pro?

HD 4000 on my MacBook Pro shared 512 MB RAM from my main memory, which is calculated as part of kernel_task. My question is simple, is there a way to disable it, stopping it from taking up 512 MB of ...
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1answer
1k views

16GB of RAM makes MacBook Pro's fans go wild before sleep?

I recently: installed 16 GB of RAM (1600 MHz); on my late-2011 15-inch MacBook Pro; running OS X 10.7, aka Lion; with an Apple SSD drive. According to Apple my MacBook Pro only supports a ...
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3answers
5k views

Can a 2009 MacBook Pro use more memory than Apple's 'maximum RAM' figure of 8 GB?

I have a 2009 MBP with 8GB of RAM. I run Windows under Parallels pretty much all the time (I use Visual Studio for work). I recently installed an SSD to speed it up a bit and its running beautifully. ...
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2answers
132 views

How accurate is System Report on RAM speed?

I have successfully replaced 2 * 4GB DDR3 1333 MHz RAM (Samsung) with 2 * 8GB DDR3 1600 MHz RAM (CnMemory). Everything runs fine and System Report is displaying the RAM is running at 1600 MHz. Now I ...
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1answer
243 views

Broken PowerBook G4

My PowerBook G4 is broken and has been for a couple of months now. I owned it while it was working for about 1 and a half years. When it broke originally, I was restarting it after changing the boot ...
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2answers
487 views

Macbook pro 13 2012 (HD4000) 8GB(1600 Mhz) single RAM stick issue

I have a Apple Macbook Pro 13" 2012 IvyBridge HD4000 Model which came with 2GB x 2GB RAM. I Recently bought a single stick of 8GB RAM 1600Mhz (which is compatible). Gskill 8GB DDR3 FA-1600C11S-8GSQ ...
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4answers
7k views

I run out of RAM on a 8GB MacBook Pro 15"

I'm a designer using Snow Leopard on a MacBook Pro 15" (i7) with 8GB Ram, 500GB (180GB free) (2010 model). I usually use Chrome (4/5 tabs), Firefox (1/2 tabs), Skype, VM Ware Fusion (with Win XP, ...
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3answers
794 views

How do I automatically kill processes that leak memory?

I have problems with processes that leak memory. They cause my hard drive to be filled with swap files in /private/var/vm. I would like leaking processes to be killed at sight by the OS. I’m not ...
3
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1answer
607 views

How to prevent OSX from allocating as much virtual memory as there is space available on the hard drive?

I recently had data loss because the hard drive was completely used up by virtual memory and some programs couldn’t handle zero free space on the hard drive. How can I prevent this from happening ...
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2answers
118 views

Would a late 2008 MacBook run with 8 GB or RAM if correctly purchased?

We've got a late 2008 MacBook (already upgraded to 4GB RAM), it's fine -speed wise, but when checking the activity monitor were very close to running out of space -RAM wise. What I would like to do ...
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1answer
447 views

How to delete files on iMac with no menus — Your startup disk is full

I have an iMac with the 10.4 OSX operating system installed. When I boot the computer it prompts me with this message: "Your startup disk is full. You need to make more space available on your disk ...
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2answers
488 views

Macbook Pro early 2011 16G Memory Upgrade

I just purchased a Corsair 16GB Memory upgrade for my 2.4GHz 13" MacBook Pro, but I have not been able to make it work. If I put both modules together or one of the modules alone the Mac wont bootup! ...
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0answers
670 views

OSX - How to find out which process eats up memory?

My MacBook Pro has 8G RAM. Recently memory leak offen happened. Page outs and swap used kept increasing. The last time it used ~8G swap space. But in Activity Monitor, I can't find any process has a ...
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0answers
169 views

How do I ensure smooth video and music playback without breaks?

I'm using a MacBook Pro from 2011 with 4 GB RAM and I'm experiencing problems with music playback in iTunes (music stops and starts periodically) and video playback does the same. I've read many ...
2
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1answer
305 views

Why does free + active + inactive + speculative + wired not equal total RAM?

When I run vm_stat on my 10.6.8 MacBook Pro with 2 GB of RAM I get the following: Mach Virtual Memory Statistics: (page size of 4096 bytes) Pages free: 90518. Pages active: ...
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1answer
72 views

Can I use memory taken from a Macbook Pro in a Mac Pro?

My Macbook Pro from around 2008 finally died. It has two 1 GB memory chips. (Specifically, two of this Samsung chip.) My question is: can I use these chips in my 2011 Mac Pro?
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1answer
941 views

Can one influence Mac OS X's / Darwin's filesystem caching behaviour?

I have the following problem: When I run processes that consume a lot of memory, Mac OS X seems to refuse to release a large portion of the filesystem cache: In fact, instead of letting go of the ~ ...
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1answer
69 views

What are the requisites for RAM in a MacBook?

I've just purchased my MacBook Pro (13-inch, Mid 2012) (it's not the retina model where RAM is fixed) and I'm considering more RAM. On the system information app, I found this info. BANK 0/DIMM0: 2GB ...
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2answers
177 views

Is there a technical reason not to upgrade a MacBook's RAM past its listed maximum?

According to this page, Macbooks are expandable to memories larger (and, in one case, faster) than those released by Apple. Search for "expandable" in that page to see the many cases. But Apple is ...
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2answers
808 views

Is it possible to reduce memory usage by iTunes 11 on Mac?

I have iTunes 11.0.1 running on Mac OS 10.8.2 with quite a large music library, some podcasts and my iPhone connected. According to Activity Monitor, the iTunes process is taking 1.6 GB real memory, ...
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3answers
810 views

Would Upgrading to 16GB RAM be Beneficial?

I'm running on an i3 processor, 2010 model, 3.06 GHz. I'm currently have 4GB of RAM, but if I were to upgrade to 16GB, would: Applications open quicker? FPS increase in game? Overall performance ...
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0answers
401 views

How to down-clock RAM?

My Mac (Mid 2009- MacBookPro5,5) laptop installing OS 10.8.2. Currently, it is using 2 x 1GB (1066 Mhz). My friend gave me 2 x 2GB (1600 Mhz) of his 2012 Mac. After installing 2 x 2GB (1600 Mhz) on ...
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2answers
1k views

8GB 1333mhz SODIMM in Macbook Pro 13" 2010 (7,1) alongside original 2GB stick

I understand that 8gb modules are not officially supported in this MBP. However, this indicates that they are, as long as they are 1067mhz modules: Can I use 16 GB RAM with my MacBook Pro 7,1? I ...
4
votes
1answer
1k views

find what's producing inactive memory

First of all i'd like to ask politely for all of those who feel the need to explain it to me how perfect apple's memory management is to ignore this thread. A little background: The theory goes that ...
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1answer
65 views

Can I run 533 MHz RAM in original Mac Pro?

I have an original Mac Pro with 2 GB of RAM in it. Running Mountain Lion on it is a bit painful - lots of paging. I happen to have 4 GB of PC2-4200 ECC FB-DIMMs kicking about. What I wanted to know is ...
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2answers
458 views

Macbook Air 2012 memory upgrade

I've won a 4gb RAM Macbook Air yesterday. I know that the RAM is soldered to the motherboard, so therefore non user upgradeable. I was wondering whether my nearest Apple Store could perform an ...
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3answers
1k views

New Corsair ram beeping on late 2008 MacBook

I purchased Corsair RAM memory (2x4GB) CMSA8GX3M2A1066C7 from Amazon.com. According to the description it "Works with any Mac computer that supports 4GB DDR3 SODIMMs". My MacBook supports 6GB ...
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1answer
631 views

RAM upgrade – iMac Mid 2011

I’ve got an iMac Mid 2011 with 4GB RAM preinstalled (2 x 2GB) and want to upgrade to 12GB. Is it ok to add a single 8GB RAM or is it better to add 2 x 4GB?
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1answer
230 views

How do I monitor the total physical and virtual memory usage of a process and all of its descendants?

From the command line, how would I get the total physical and virtual memory usage of a process and all of its descendants (not just 1st-level children)? This is useful when you want to monitor the ...
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4answers
245 views

Complete Specs for Mid-2010 iMac & Early-2011 MacBook Pro?

OK, so here I am. I've searched anywhere I could but definitely couldn't find what I was looking for. I'm thinking of performing some sort of upgrade (e.g. SSD or memory or CPU) and I'm trying to ...
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1answer
133 views

Productive use for old SO-DIMMs?

Being the local geek, friends and family turn to me for upgrading RAM in their computers. They provide the new sticks and I keep the old ones. As such, I have accumulated quite the collection of DDR3 ...
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1answer
119 views

Macbook Pro unresponsive while opening applications

I have had an 240gb Corsair SSD in my 2.53 GHz Intel Core i5 Macbook Pro (OSX 10.6.8) for about 8 months. The computer has 8gb RAM. It has been great for most of that time, but in the last month or ...
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1answer
355 views

What are the consequences of using DDR3 RAM in DDR2 MBP4.2?

I'm supposed to use DDR2 5300 (667MHz) RAM for my MacBookPro 4,2. The max is 6GB, and I already have 4GB (2 x 2GB), so I only need a single stick of 4GB. So far it looks like this spec RAM runs about ...
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1answer
244 views

MacBook Pro has to recover from Safe Sleep after 50% of all sleeps, although power is connected

When I wake my MacBook Pro from sleep it sometimes has to recover from Safe Sleep, even though the power is connected. I have installed 16 GB (2x8) RAM myself on my MacBook, however 8 GB is the max ...
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1answer
195 views

Mac has enough memory, but still pages in, is that a problem?

I recently upgraded my memory, but I notice that while the OS does NOT page out at all (from what I see in Activity Monitor), the machine pages in regardless. Why does that happen? Is that a problem? ...