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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2
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2answers
878 views

Upgrading a 2006 MacBook Pro to 3 GB Ram, is this a good idea?

I'm considering upgrading my end of 2006 MacBook Pro RAM. Yet I'm hesitating: it will not support 4GB of RAM, but only 3GB (I have 2x 1GB at the moment). This means that each slot will have a ...
0
votes
1answer
140 views

How do I list the plugged memory sticks on Mac OS

How can I list all the currently memory devices on MacOS X? I need to do this by command, because I have an Java application that needs this information. Thanks
0
votes
1answer
449 views

iMac and MacBook Pro Memory Specifications

i am about to purchase an iMac mid 2011 2.7 i5 that comes with 4 GB of ram preinstalled. I also have an mid 2009 macbook pro 13.3 2.26 computer. I wonder if i can install the 4gb ram of the iMac to ...
7
votes
4answers
22k views

Startup disk has no more space available for application memory?

I purchased a new Macbook Pro (8,3) last April, and have been using it heavily for xcode development, and little else. This morning a message popped up: "Your Mac OS X startup disk has no more space ...
1
vote
1answer
724 views

Can my MacBook use PC2-5300S RAM from my HP laptop?

I have a MacBook with PC2-5300S memory in it. I have an HP laptop with F2-5300CL5S in it. I'd like to take my 2GB modules from my HP and move them into the MacBook. Are these memory modules ...
5
votes
1answer
1k views

Intel Mac mini - maximum RAM Upgrade

I have a Mac mini with a Core 2 Duo processor (2.4 Ghz). I plan to upgrade the RAM in my Mac mini. Currently, it has 2GB right now, 1GB per slot (2 slots total). I would like to buy a new 4GB for a ...
1
vote
1answer
143 views

Hard drive on latest macbook pro 17 accessed too often

I have the latest macbook pro 17 and it seems no matter what I do, particularly noticeable when I simply scroll up and down on a window, I hear the hard drive tapping away like it's being accessed or ...
3
votes
3answers
1k views

RAM Disk gets unmounted when coming out of sleep

I have a script set up to create a RAM Disk at login. But I have now noticed that the RAM Disk (And sometimes other networked disks) get unmounted when I put the laptop to sleep and wake it up again. ...
7
votes
2answers
1k views

How can virtual memory be greater than the total available space?

Why does my MBP sometimes report VM Size: 300+ GB in Activity Monitor under System Memory tab, when my hard disk size is only 250 GB (total) and RAM is 4GB? I know it can't magically get that extra ...
1
vote
2answers
172 views

Is there a way to send a growl notification when an application reaches a certain memory threshold?

I've been noticing that Safari skyrockets in terms of memory usage. I've been getting some results by restarting it, but I'm wondering if there is an app or some easy script to run that would send a ...
2
votes
2answers
2k views

Is it a problem if kernel_task is routinely above 130MB on mid 2007 white MacBook?

In trying to get the best performance possible out of this old guy, I've been looking into Activity Monitor more and more. kernel_task is usually above 130MB (142.9MB right now). Is this abnormal? If ...
0
votes
2answers
320 views

What memory to buy for macbook pro 17" early 2011?

What brand/model of memory do I need to buy for a macbook pro 17" early 2011 model? On Apple's memory page, they just say DDR3 1333mhz SODIMM. So I went to purchase some from Newegg and happened to ...
0
votes
2answers
308 views

command line ps has stopped working correctly after an update

I use to be able to run this ps command from the terminal: ps -u whoami -o pid,rss,command But recently the RSS size returned are all 0! ps -u `whoami` -o pid,rss,command 158 0 ...
4
votes
4answers
676 views

Does it make sense to Quit apps before Sleep?

Will quitting (Cmd+Q) large apps before closing the MacBook lid make getting up and running again faster? I have the impression that my MacBook needs more time to recover from sleep if I have large, ...
6
votes
4answers
29k views

Is it ok to mix 2 GB and 4 GB DIMMS in an iMac (mid 2011)?

I've been told it is important to use matching DIMMs when installing memory to take advantage of the 128 bit throughput. I'm looking to buy a new 27" iMac (mid 2011) which has 4 memory slots. If I put ...
3
votes
2answers
477 views

Macbook Ram Speed Question (1033 or 1333 MHZ)

I have two 4GB modules of ram for a Macbook Pro (1033MHZ). I have a new Macbook pro that came with two 2GB modules (1333MHZ) Would it be best if I left the 4GB faster ram in? Or would it really be ...
0
votes
1answer
55 views

Site for checking so-dimm memory for MacBooks

Is there any website, where I can check which memory (RAM) is suitable for any MacBook or Apple computer?
1
vote
1answer
386 views

Activity Monitor not showing correct memory usage?

I have a strange memory issue: I've been running out of free memory for months now, which I thought was OK, since I use the Creative Suite apps and Xcode regularly, all of them is quite memory ...
3
votes
1answer
348 views

Buying a new imac, which memory should i get?

For the new imacs that just came out, which memory upgrade should I get? This: http://www.newegg.com/Product/Product.aspx?Item=N82E16820226095 or: ...
1
vote
1answer
2k views

Early 2011 MacBook Pro Memory Upgrade - What are the SO-DIMM memory specs?

What are the exact specs when shopping for early 2011 MacBook Pro SO-DIMM memory? I'll be uprading to the maximum of 8GB.
1
vote
3answers
1k views

How can I know if my MacBook pro supports 8 gb or not?

Here is my serial number:
3
votes
3answers
5k views

Kernel panics; Apple hardware test error codes… Bad memory?

My MacMini, which I bought new around Thanksgiving 2010 from Amazon, has been having quite a few kernel panics. They aren't consistent in any way, but they have become more frequent and now many apps ...
1
vote
1answer
1k views

Advice to minimize memory usage in iPod Touch 2G with iOS 4.2.1

Since I updated from iOS 4.0 to iOS 4.2.1 my iPod Touch consumes less memory but still would like to hear some more advices about how to reduce memory leak in my device? Usually I use Free Memory ...
3
votes
2answers
4k views

Can the mid-2010 Macbook support more than 4GB of RAM?

I know of sites that sell 8GB sets for the MacBook. Apple states that they can have up to 4GB. One of my co-workers got her first gen MacBook to 6GB. Can anyone confirm that 8GB is recognized in last ...
7
votes
3answers
6k views

How do I check how many RAM slots I have in use?

I own a 2010 13" macbook, and I'd like to do a RAM update from 2gb to 4gb. Before I buy brand new 2x2gb ram, I'd like to make sure that my macbook has 2x1gb or 1x2gb ram slots. I mean, if both slots ...
8
votes
2answers
1k views

Trouble Understanding Inactive Memory in MacOSX

I thought that I understood how MacOSX manages memory, but recently I’ve become baffled by its performance. Here is the situation: I have a brand new Core i7 system with 8GB of physical memory ...
2
votes
1answer
678 views

Memory in early 2008 Mac Pro

I have an early 2008 Mac Pro. It currently has 6G of ram (2x1G and 2x2G sticks). I've been swapping with some programs for a while, and just got around to buying more ram. (4x4G). My question ...
6
votes
4answers
3k views

Can I install 16GB RAM on quad-core MacBook Pro?

I'm planning to buy a new MacBook Pro with quad-core. And I want to install 16GB on it. But there is only 8GB options on Apple's website. Is this possible?
13
votes
2answers
4k views

Can I force my Mac to make better use of the inactive memory?

I use mysql and it takes up to 2.5 GB of my ram. I checked activity monitor and saw that I have 1GB of inactive memory but it never changes even if I have only 10MB active free memory. Is there any ...
3
votes
2answers
4k views

Will upgrading to 4GB RAM on a white MacBook work?

I've seen discussions about upgrading memory but it was only for the MacBook Pro. I have a white 13" MacBook with 2GB memory, I'm considering about upgrading the memory to 4GB. Is it possible to ...
10
votes
4answers
9k views

MacOSX cpu/mem monitor in system tray (menu bar)

I would like to monitor cpu/mem usage realtime with charts in MacOSX system tray (menu bar). Is there any utility that provide such functionality?
3
votes
2answers
755 views

If I install more RAM should I boot into 64bit Kernel? Does it matter?

I've got an Early-2009 Unibody Mac Book Pro 17". It came with 4 GB RAM and by default it boots into 32-bit Kernel. I've just upgraded to 8 GB RAM and my main concern is getting maximum performance ...
2
votes
2answers
610 views

Apple RAM for MacBook Pro vs other brands [duplicate]

Possible Duplicate: Apple-Certified RAM? Apple RAM for the unibody MacBook Pro's typically has a large markup to it. I am wondering if it's different than Crucial or other brands in ...
0
votes
2answers
597 views

Can I use the RAM from my new MacBook Pro in my 4-year-old MacBook Pro?

I just bought an i7 MBP with 4GB RAM. I'm upgrading it to 8GB with this: http://www.crucial.com/store/mpartspecs.aspx?mtbpoid=8C4DD5E1A5CA7304 So I'll have the brand-new 4GB RAM I'm removing. Can I ...
5
votes
2answers
630 views

Did they increase RAM in iPad 2?

Since there was no hint about more RAM during the presentation yesterday, did anyone find out if they stay with 256 or (like iPhone 4) increased it at least up to 512?
0
votes
3answers
6k views

How to make a KVR1333D3S9 work with a MacBook Pro 7.1?

I recently bought a couple of memory modules from Kingston to be used on my MacBookPro 13" 7.1, they are KVR1333D3S9/4G which should work fine with the computer as the frequency and latency is ...
6
votes
1answer
3k views

Does the iPhone support TRIM for flash memory?

I'm asking if TRIM is enabled on iOS because, ever since I ran out of memory on my iPhone (have since cleared a few GB back), it seems to be slower than it was before. My suspicion being that, with ...
3
votes
2answers
4k views

Mac Pro Memory - Should I use 8 RAM slots in dual-channel mode or 6 RAM slots in triple-channel mode?

I have a Mac Pro tower with a 2 x 2.66 GHz 6-Core Intel Xeon chipset, and 8 RAM slots. I have been told because of the processor's triple-channel memory capability that I should be installing RAM ...
0
votes
2answers
689 views

My MacBook Pro uses an extraordinary amount of RAM

I bought my MacBook Pro about 1.5 years ago (with 4 GB RAM) but these days I think it uses an extraordinary amount of memory; when I open Firefox & Adium & Thunderbird & iTunes & ...
2
votes
2answers
480 views

MacBook Pro running Linux - only 3.6 GB RAM available

(This is a repost of my question on SuperUser.com, hopefully it's better suited here ). I've happily installed Linux on my MacBook Pro with 4 GB of RAM, but I only get 3.6 GB available: ...
3
votes
4answers
2k views

Where are good places to buy RAM (memory) for a Mac?

What reputable stores exist for purchasing RAM for a Mac?
3
votes
1answer
5k views

Why is DashboardClient taking so much memory on MBP?

In recent days, the DashboardClient process is taking more memory on my MBP. It's a real memory of 144 MB as seen in Activity Monitor. I have never seen this process occupying memory like this ...
18
votes
5answers
11k views

What does it mean if I have lots of “Inactive” memory at the end of a work day?

After a day's of work at my MacBook Pro running Mac OS X 10.6.5, Activity Monitor shows that the majority of my computer's 8 GB of memory is "Inactive", and only a tiny sliver of the pie chart is ...
83
votes
16answers
83k views

Is there a Mac OS X Terminal version of the “free” command in Linux systems?

On Linux, I often use the free command to see the current amount of free and used memory in the system. For example: $ free total used free shared buffers cached ...
5
votes
1answer
652 views

My iPhone 4 only shows 256 MB of RAM?

I just received my iPhone 4 and Activity Monitor Touch and SYSTEM lite only show 247 MB of hardware memory. But the iPhone 4 is supposed to have 512 MB (of which 503 MB are actually available). I ...
3
votes
0answers
1k views

Anyone have any experience installing Corsair CM3X4GSD1066 memory on a Macbook Pro mid 2009? [closed]

Is the memory compatible for use in the mid-2009 aluminum unibody MBP? Reference: http://www.corsair.com/products/valueselect/default.aspx#notebook The specification is compatible, but from my ...
1
vote
1answer
1k views

What Are The Signs of RAM (Slot) Failure?

I've recently attempted to install 2 sticks of 2GB RAM into my MacBook Pro, but unfortunately had jammed one stick in the lower RAM compartment (Apparently I forgot to enter it at 45°) and had a rough ...
6
votes
3answers
3k views

Apple-Certified RAM?

I'm planning to upgrade my RAM in my MacBook Pro (Late 2008) from the base 2GB to 4GB. I'm planning to buy RAM from Kingston. There's two types of Kingston 1066 2GB RAM here. (Laptop-sized RAM) ...
11
votes
4answers
12k views

Safari is using too much RAM. How can I reduce its memory footprint?

I'm finding Safari (Latest - v5.0.2) to be even more of a memory hog than usual. (Currently using 465mb of RAM with only this tab open, but having been running for a while) Closing it and ...
5
votes
3answers
11k views

Why can Mac OS X 32-bit access all 4GB of memory, while Windows 32-bit can't?

I don't understand why Mac OS X 32-bit kernel can access all 4GB of memory (and even more) while Windows 32-bit can only work with ~ 3,3 GB, and for using more than 4GB you need 64-bit Windows. Even ...