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

learn more… | top users | synonyms (1)

1
vote
1answer
58 views

CPU upgrade on MacBook Pro

I'm thinking about upgrading the CPU in my MacBook Pro from its current 3210M dual core processor to a 3632QM quad core processor. Is there any reason why this wouldn't be a good idea? The socket, ...
0
votes
0answers
59 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 ...
-1
votes
2answers
93 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
votes
3answers
78 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 ...
-1
votes
1answer
95 views

Why won't Macbook Pro list the spec to be able to use 16GB instead of 8GB? [closed]

I had a mid 2012, 15 inch Macbook Pro (non-Retina), and the specs says it can support maximum 8GB: http://support.apple.com/kb/sp649 But my coworker had a 4GB version and he was able to have the ...
0
votes
0answers
44 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 ...
0
votes
5answers
52 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 ...
0
votes
0answers
56 views

how do I select proper memory for a specific Mac? [closed]

I'm going to upgrade my Mac Mini late 2012 Ram's to 16 gb. I'm undecided between cheaper KingSton KVR16S11/8 (www.kingston.com/dataSheets/KVR16S11_8.pdf), KingSton KTA-MB1600/8G suggested from ...
1
vote
1answer
65 views

Disabling HD4000 on 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 ...
2
votes
1answer
529 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 ...
0
votes
3answers
159 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. ...
1
vote
2answers
52 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 ...
1
vote
1answer
72 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 ...
0
votes
1answer
243 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 ...
0
votes
2answers
525 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, ...
8
votes
3answers
332 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 ...
2
votes
1answer
135 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 ...
2
votes
2answers
80 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 ...
1
vote
1answer
91 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 ...
1
vote
2answers
242 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! ...
1
vote
0answers
212 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 ...
1
vote
0answers
56 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 ...
1
vote
1answer
68 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: ...
2
votes
1answer
50 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?
1
vote
1answer
97 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 ~ ...
1
vote
1answer
38 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 ...
1
vote
2answers
95 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 ...
0
votes
2answers
192 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, ...
0
votes
0answers
85 views

Spilled Milk on my Macbook Air

I spilled milk on my MacBook Air about 2 months ago. I just took out the SSD and it works fine, though my macbook is still malfunctioning. (It doesn't start.). What potential issues do I have? I know ...
2
votes
2answers
271 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 ...
1
vote
0answers
116 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 ...
-1
votes
2answers
357 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 ...
3
votes
1answer
142 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 ...
1
vote
1answer
45 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 ...
1
vote
0answers
329 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 ...
1
vote
3answers
444 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 ...
1
vote
1answer
301 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?
2
votes
0answers
61 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 ...
0
votes
3answers
162 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 ...
1
vote
1answer
65 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 ...
0
votes
1answer
89 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 ...
1
vote
1answer
94 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 ...
0
votes
0answers
170 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 ...
0
votes
1answer
74 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? ...
1
vote
1answer
111 views

Memory for iMac12.1 (mid-2011)

I've found here that imac12.1 (mid-2011) unofficially will support 32 GB of RAM. Questions: Can I mix 2x2 GB with 2x8 GB of memory to get 20 GB of RAM? Will this model work with imac12.1? Thank ...
0
votes
1answer
169 views

Will this RAM work for me? (Late 2009 iMac)

I have a 27-inch iMac late 2009 desktop computer and i'm looking to upgrade my ram. The best RAM I can find is a Kingston 2GB, DDR3-1066, PC3-8500, CL7, DIMM. What I currently have is 4GB 1067 MHz ...
1
vote
2answers
514 views

Can a RAM module not be compatible with Macs?

There are DDR3 RAM modules sold on Amazon (branded by KomputerBay) where it is specified that they are "PC only" and not for Mac. They cost around £41.99 ($68). The same company has modules with the ...
4
votes
1answer
1k views

Reliability of cheaper RAM like Komputerbay, or unbranded?

Online stores sell DDR3 memory from companies like Komputerbay for a fraction of the price that Kingston, Samsung, Crucial, OWC, etc. charge (not mentioning Apple OEM). Most reviews are good, but ...
1
vote
2answers
891 views

iMac 2012 RAM upgrade with mixed voltages

Variation of already asked question: I now understand that I can add two matched 8 GB sticks of RAM into the two empty slots, even though the other two slots are filled with two 4 GB modules. But is ...
3
votes
1answer
843 views

Are all four SO-DIMM slots user-accessible in the 27 inch iMac (Late 2012)?

I'm going to buy a new 27" iMac, but I think that the RAM on the Apple Store is really too expensive. My plan is to buy with minimum (2x4GB) RAM and replace everything with 4x8GB. Are all 4 slots ...

1 2 3 4 5