DC Mixing RAMs on E7205. Will it work?

I have 2X512mb DDR266 kingston value ram. 2.5-3-3-7.
Could I use Kingston 1.0GB ( 512 x 2 ) PC3200 DDR-400 TWINS Hyper X/ CL I don't know.
Will Dual channel work with the 2 pairs of different RAM speed? Or the PC would not boot at all?

It's always not recommended to mix the RAMs though you may want to try.

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New ram...will this work?

was looking to buy a new 1 gb memory card. ive heard that kingston is a compatible brand. i found one for $67 and was wondering if anyone knew if it would work. all the numbers are correct.
Kingston Technologies 1GB 200-Pin DDR SODIMM Laptop Memory
Model #: KGT KVR333SO1GR
General features
Amount 1GB
Speed DDR PC-2700 (333 MHz)
Type DDR SDRAM
UPC 740617081008
Manufacturer's part number KVR333SO1GR
has anyone used this???

what about PNY brand? i read on here that other people used it successfully...it fits all the specs and is at compUsa
You can try PNY memory, and it may work fine. You should be sure that you can return it for 100% cash back if it doesn't work.
The problem with memory, and why our Powerbooks are sensitive souls, is that the Apple architecture uses memory bus slewing to help conserve battery power and reduce heat. Typically cheaper memory may meet the printed specs and still not work in a Powerbook. eww gave you good advice on brands that do work reliably.

I have a late 2008 Macbook Pro, I am trying to run MW3 but it will not work without crashing a few minuets into the game. The general specs on my computer are a dual processor 2.53 ghz. 4 gb ram and a NVIDIA geforce 9400 (9600 is the alternate card)

I have a late 2008 Macbook Pro, I am trying to run MW3 but it will not work without crashing a few minuets into the game. The general specs on my computer are a dual processor 2.53 ghz. 4 gb ram and a NVIDIA geforce 9400 (9600 is the alternate card).
Things to note:
I have been unable to update firmware on this computer for about a year now. Im not sure why.
I am running a bootleg copy of Windows XP on this computer, I would not like to spend $149 to get Windows 7 if possible.
any thoughts on the matter would be greatly appreciated, thank you.

Why don't you take your 'old' MBP into your local Apple Store and have them check out everything that's wrong with it - and I mean everything? Then, when you get an estimate about how much it would cost to get the machine completely repaired, ask about the Apple flat-rate repair pricing?
It's worth a shot - and with what you may save, you can put in the bank for a new MBP.
Clinton

This 27th December Call of Duty Black Ops came out on apple app store for mac. I was wondering if i buy it WILL IT WORK ON MY BACBOOK AIR 2010 11'' i5 2gb Ram VRAM 288MB Intel HD Graphics 3000

this 27th December Call of Duty Black Ops came out on apple app store for mac. I was wondering if i buy it WILL IT WORK ON MY BACBOOK AIR 2010 11'' i5 2gb Ram VRAM 288MB Intel HD Graphics 3000

It may be best to check with the developer's forms.

I have a mac book pro i7 2.00Ghz and 4Gb RAM. I want to run at the same time Omnisphere,Trilian and BFD 2. Will it work fine? Anybody that has some experience? Thanks

I have a mac book pro i7 2.00Ghz and 4Gb RAM. I want to run at the same time Omnisphere,Trilian and BFD 2. Will it work fine? Anybody that has some experience? Thanks

Well this is not a problem I have already bought one, my great worry is the processor and the memory..

Thinkpad S440 i7 - ram upgrade to 1866 MHz or 2133 MHz will it work?

Did anyone try replace the 8 gig 1600 mhz with a g.skill 8 gig 1833 2166 , kingston of same, crucial of same ?
Will it work with faster ram?

People have been having some trouble with this drive. You might want to look at this discussion on the 640 WD:
http://discussions.apple.com/thread.jspa?threadID=2250690&start=0&tstart=0
Don't know if WD has resolved the issue yet or not--might be good to check with them before purchasing.
Good luck!

Will 16Gb RAM on a Early 2011 2.7 Ghz i7 Macbook 13" cause any problem? Also i plan to upgrade to Mountain Lion, will it work?

I want to upgrade my machine with 16 GB RAM, it already has a G.Skill single RAM chip of 8gb. need help with the following. Will upgrading to 16Gb RAM on a Early 2011 2.7 Ghz i7 Macbook 13" cause any problem? Also i plan to upgrade to Mountain Lion, will it work?

It won't cause you any issues or problems....
it is however, suggested you install the same brand RAM that are of the same specs....
1333MHz........
Installing different brands with different CL speed might cause issues....
so if you already have a G.Skill RAM installed, then install the same brand.

Will RAM from my Macbook Pro work in iBook G4?

I just upgraded the RAM in my Macbook Pro 2.4 GHZ (removed two 1 GB cards and installed two 2GB cards). I now have two 1GB sticks of RAM (Samsung, came with the Macbook Pro) that are sitting here gathering dust. I have an iBook G4 1.2 GHZ that I would like to upgrade - can I use one of these 1GB Samsung sticks from the Macbook Pro in the iBook or are they incompatible?
Thank you!

Hi Adaklu,
I'm afraid the RAM from your MBP will not work in an iBook.
~Lyssa

Will it work if I put 256 mb ram on Satellite 2515?

Will it work if I put 256 mb ram on Satellite 2515?

Hello
And which 265 MB module you will use? How many pins? How many MHz? Which part number? Do you have any info about module you want to use?
Anyway I have found follow info: Satellite 2515 is delivered with 32 MB RAM. The unit can handle with 160 MB only. One upgrading RAM port is available. According this specification you can not use 256 MB RAM module while this capacity can not be used completely.

NVIDIA GeForce GTX 680MX 2 gigs ram, will it work with Mercury playback Engine for accelerate

NVIDIA GeForce GTX 680MX 2 gigs ram, will it work with adobe Mercury playback Engine for accelerated rendering for Premeire Pro cs6?

I am a PC guy but, I have 6 work stations with CS6 but the wife wants a Mac so I am getting her an imac with the NVIDIA GeForce GTX 680MX 2 gigs ram. Do you think this video card in the mac will still be able to utilize the Adobe CS6 MPE?
It's not formally supported by Adobe for GPU acceleration; however judging from the fact that the lesser GTX-650M is (with 6.02 update), and the end-user ability to enable support for unsupported cards in Adobe apps, it should work.

Lightroom 4 will not work on OSX 10.6.8 and 2GB ram

after loading LR 4 i get this message even though my computer meets LR specs:
"will not work on this computer" does anyone know why?

What is your CPU? There are specific limits to the type of processors your CPU has.

Mixing RAM Manufacturers?

My apologies if this has been asked before; I searched the forum but couldn't find anything that answered my question properly. So-called 3rd party Memory is new territory for me.
I'm looking to upgrade the RAM in my iMac at home; it's a late 2006 20" 2.16 C2D.
I was wondering if anybody could tell me if mixing RAM by different manufactures will cause any adverse effects or instability? Of course taking into account that the memory is in perfect working order. Also, what manufacturers available in the U.K are most reputable with regards to stability and useful working life? I work in music production so good RAM and stability is a must.
Currently I am considering a single Crucial 2GB module, mainly because they seem to have a good reputation around the forum and it's very reasonable priced.
http://www.crucial.com/uk/store/mpartspecs.aspx?mtbpoid=5A5FD16EA5CA7304
I'm also considering buying a further 1GB module (possibly Kingston) soon after should 2.5GB in the computer not be enough.
Lastly; would there be any benefit to buying a second 2GB module (instead of the 1GB)? I know each slot can accept a 2GB stick, but I keep getting conflicting info as to whether 4GB can actually be addressed in the late 2006 white 20" iMac (despite the spec being 3 gigs).
Cheers.

£32 for one 2GB module! Now I feel seen-off. At the end of November I decided to buy just a 1GB SODIMM as that was £17 versus the £57 they wanted for a 2GB modules. Today I could have bought a full 4GB for £64. Nevermind, I don't actually need that much RAM.
At those prices I'd buy 2GB now and then 2GB later. You'll get to use 3.3GB as den.thed says and because you'll have two modules from the same OEM you'll be sure they will pair up and you'll get the benefit of matched RAM.
I'm also going to re-iterate my usual gripe about Kingston: Kingston Value RAM (slightly more than Crucial) doesn't work in Macs (Kingston themselves told me that). It caused Kernel Panics in my old iMac. If you use Kingston System Specific RAM (about twice the cost of Crucial) it'll work just as well as the Crucial.
mrtotes

Mixing ram sizes

Hello,
I recently purchased a macbook pro i7 late 2011 edition. It currently has 4GB of ram(2x2GB). I am wondering if it is possible to purchase a single 8GB(1x8GB) stick of ram and trade out one of the old 2GB sticks in order to have a total of 10GB of ram. I am aware 16GB ram kits are available but they are currently too expensive for me so atleast this way I could purchase one stick of 8GB for now and then purchase another down the road.
8GB of ram is not enough for me. So my question is if whether or not I can mix ram sticks. Please only respond if you know for a fact and why, I don't appreciate people making guesses.
Thank you!

No one can answer your question with certainty. Some people mix different RAM brands and sizes and even speeds, and don't have any trouble. Others try it and have nothing BUT trouble. No two Macs or Mac users are alike in all respects, so there's no knowing why it works for one and not for another. It's a safer bet to use exactly matched pairs, but you might be fine with whatever mismatched modules you choose. If you buy from a vendor who offers a lifetime warranty, you'll probably be able to return anything that doesn't work out for you. But you can't eliminate the chance of getting bad RAM no matter what you buy, and you can't be sure that even a good module will behave perfectly when paired with a module that you have now.
There are some vendors who offer RAM modules in pairs from one manufacturer but in unmatched sizes, and warrant them to work properly together. You may want to consider buying a 4GB and an 8GB module from such a vendor, adding a small amount in cost but giving you 12GB and a solid warranty. Here's one dependable source:
http://eshop.macsales.com/shop/memory/Apple_MacBook_MacBook_Pro/Upgrade/DDR3_133 3MHz_SDRAM
Note that the extra 4GB only costs $15 more than a single 8GB module.

Mixing ram pc2100 &pc3200

My system currently has one stick of PC2100 RAM, 512MB.
I would like to bring my system memory up to a gig of RAM, but I don't want to buy another stick of PC2100, cause it won't help me for future upgrades. but i of course don't want to just get rid of the PC2100 stick i already have.
would there be any harm in mixing the PC2100 with PC3200? I know the PC3200 would just run at 133/266, just wondering if any problems/instability might occur my mixing the two.
I'll WILL match brands however, and make sure they are both Kingston Technology, cause i've heard that this kind of mismatch can definitely cause problems.

Mixing RAM such as you are proposing, is always a crapshoot. It may work ok, but I would think very hard before trying it. You might be able to make it work by setting the timings manually, but even that does not always work.
I would hate to see you buy PC3200, and then not be able to use it with the existing RAM.
You may be better off buying enough PC3200 to replace the existing RAM, while upping the total amount of ram, and avoiding the trouble all together.
While some have claimed to have no problems mixing RAM, most have had bad luck with trying it.

Mixing Ram with different CAS latencies in K7n2 Delta-L?

I have been using 512mb Kingston Value Ram in my computer, pc3200, with CAS latency of 3.0. I just purchased some Corsair value select 512mb ram pc3200 with CAS latency of 2.5. I know you are not supposed to mix ram with different speeds (like 400 vs. 333) but does it matter if the CAS latencies are different?
I'm running an AMD XP 1800+, K7n2 delta-L, nforce2 motherboard from MSI. Someone at a computer shop told me they tried mixing Kingston 3.0 CAS with Corsair 2.5 CAS, and said his computer wouldn't even post. So I'm wondering if this is an isolated problem, or you will always run into this problem if you mix ram with different CAS latencies.
If anyone has experience with this issue, please share with the board. Thanks!
Chris

The age old question, will the components I bought be compatible ? There are those that have bought identical matching memory that didn't work. In my case, I had an ECS K7S5A that used PC2100 Crucial memory, the sticks neither matched (at one time they did, but one stick died and they sent me the closest thing they had.). Neither of these Crucial sticks was identified by a configurator as being compatible with the K7N2 Delta L that I decided to buy. In the end, not only did both sticks work, but I put them in as single channel mode (ram slots 1 & 2), but later changed the configuration to dual channel mode (ram slots 1 & 3, even 2 & 3). It worked flawlessly in all three configurations. Sorry for the long answer, but in essence, there are no guarantees and your worries will drive you crazy. When memory is mixed, you reduce the likelihood of compatibility, even when you go beyond the recommended products that were specifically identified.
That guy at the computer shop, did he ever indicate or isolate the true reason why the memory wouldn't work ? Maybe, maybe not. I would think with a disparity in memory, the bios is the key to setting the settings for the worst stick of the bunch. Then again, the products you get might overclock to what the better sticks run at. My assumption is that mixed sticks, the bios retards settings to this in "auto" mode. When you force it manually, it may work or it may fail. One thing you oughta know, each and every stick has the manufacturers id encoded onto them at the very least, just like the firmware on other items indicates a manufacturer code and other data that allows these things to be compatible. So know you face that battle going in with any of them. If the bios programming doesn't allow it to work, from that perspective, there'll be problems.

DC Mixing RAMs on E7205. Will it work?

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