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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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
5k 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
649 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?
12
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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 ...
9
votes
4answers
8k 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
753 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
607 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
582 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
625 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
668 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
472 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 ...
81
votes
16answers
76k 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
636 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
11k 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 ...
0
votes
1answer
526 views

8 GB on MacBook Pro (13", 2.26 ghz)

The Apple specs say the 13" MacBook Pro supports up to 8GB of RAM. I have a 2.26GHz 13" one, and would really want to use this. Has anyone tried this before? What is the maximum memory recommended, ...
3
votes
1answer
746 views

MacBook Pro Memory

This relates to my previous question regarding my MacBook Pro. http://apple.stackexchange.com/questions/1450/macbook-pro-will-not-start-or-quits I need to replace one of my 2G DIMMs and in shopping ...
4
votes
3answers
911 views

What is a trustworthy 2x4GB RAM for MacBook Pro 15" 2.4Mhz Core i5?

I'm looking to upgrade memory from 4GB to 8GB on my MacBook Pro 15" 2.4Mhz Core i5. I've been looking at Mushkin 8GB RAM on NewEgg, but it's been getting bad reviews lately for not working properly ...
35
votes
3answers
20k views

What's the difference between Real, Virtual, Shared, and Private Memory?

The different columns in Activity Monitor are a little confusing