Is 1GB RAM enough?

I will soon be using my MBP (2GHZ, Core Duo, 1GB) for recording work in a Studio Composition major at school. When I bought my computer this past summer, Apple told me 1 GB of RAM would be a good amount for me. I think I will be running protools mostly but considering Reason and others. Everyone now has made 2GB RAM the standard. I mean, the only other thing I use that isparicularly intense is the occasional game of halo or the sims 2.
Do I need more?
Also, I have two 512 sticks right now. I've heard it's best to keep them in even pairs. How much would it cost to upgrade to two 1 Gigs? Would I just ebay the 512s? how much could I get?
Thats if I even need it! AYYY!
Thanks in advance.

products7074740,
It is true that using "matched" pairs of DIMMs increases the maximum memory bandwidth. By "matched," what is meant is that the two DIMMs are of equal size and specifications (it is not necessary that they be from the same manufacturer).
In some cases, more benefit might come from having more total memory than would from a slight increase in maximum bandwidth, thus the practicality and ability to install 3 GBs.
IMO, 1 GB of RAM is sufficient for OS X, and usually sufficient to prevent significant "swapping" (which would actively slow your computer) for most uses, but it is not enough to actively speed your computer.
This only comes from having enough RAM to enable the maintainance of a large amount of "inactive" memory. This is memory that caches frequently-used instructions and data, and it greatly speeds the response of applications.
In the past, I would recommend at least 1.5 GBs. Since it is now beneficial to install DIMMs in pairs, providing an additional (slight) boost in speed, I recommend installing 2 GBs.
Here is the "kit" I recommend you purchase.
Scott

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I have install windows XP in my existing windows 7 64 bit system using virtualization software. I have allocated 1024 MB of RAM to XP virtual windows.
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The box;
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-Bmer
Mac Owners Support Group
Join Us @ MacOSG.com
 An Apple User Group 
ITMS: MacOSG Podcast >>
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Please, run the DirectX diagnostics tool.
Go to Windows Start and in the Run box type dxdiag.exe and press the OK button. This will start the DirectX diagnostics program. Run this diagnostics and save the results to a file. Please, attach this file to your post.
Be aware that you will have to zip this file before attaching it here.

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BANK 0/DIMM0:
Size:          1 GB
Type:          DDR2 SDRAM
Speed:          667 MHz
Status:          OK
Manufacturer:          0xCE00000000000000
Part Number:          0x4D342037305432393533435A332D43453620
BANK 1/DIMM1:
Size:          Empty
Type:          Empty
Speed:          Empty
Status:          Empty
Manufacturer:          Empty
Part Number:          Empty
Serial Number:          Empty
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<Personal Information Edited by Host>

The Memtest just completed and came back like this? It only test the single 1gb chip because anything more in this computer it won't go past the black screen with solid white power light.
Memtest version 4.22 (64-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only
NOTE: No command-line arguments have been specified
Using defaults: Test all available memory, one test pass, no logfile
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Available memory: 250MB (263086080 bytes)
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Buffer A: 125MB (131543040 bytes) starts at local address 0x0000000101000000
Buffer B: 125MB (131543040 bytes) starts at local address 0x0000000108d73000
Running 1 test sequence... (CTRL-C to quit)
Test sequence 1 of 1:
Running tests on full 250MB region...
Stuck Address       : ok
Linear PRN          : ok
Running comparison tests using 125MB buffers...
Random Value        : ok
Compare XOR         : ok
Compare SUB         : ok
Compare MUL         : ok
Compare DIV         : ok
Compare OR          : ok
Compare AND         : ok
Sequential Increment: ok
Solid Bits          : ok
Block Sequential    : ok
Checkerboard        : ok
Bit Spread          : ok
Bit Flip            : ok
Walking Ones        : ok
Walking Zeroes      : ok
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logout
[Process completed]
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I hope someone my be able to give me some advice.
I went from an old black powerbook G3 bronze that I had had for years and had the usual motherboard issues toward the end of its life to an Imac G5 PowerPC, which I was very lucky to get some help with as I am a disabled student. Unfortunately, this meant that I was not allowed to buy it direct from apple and get applecare, and had to have it from a preferred supplier (in March 2005) with their own "support" - they are not mac specialists by any stretch of the imagination! The imac has always had a habit of freezing regularly, the drive would suddenly start spinning really loudly, the cpu would shoot up to 100% and the whole system would freeze. This happens whether I am running Word, Excel, Safari, iPhoto, iTunes, Mail, iCal or Addressbook. The support guy said it was nothing out of the ordinary and I just accepted that at the time, but a friend of mine recently came round to give me some mac tips and had the system freeze on him 3 times in an hour - he felt it was some kind of error made when the software was originally loaded by the preferred supplier, but the iMac is now out of their 12 month guarantee.
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Can anyone please offer some advice on what the issue might be?
Thanks!
2005 iMac PowerPC G5 Mac OS X (10.4.7) 1.8 Ghz 1 GB Ram, PowerMac8,1
1.8 GHz PowerPC G5 Mac OS X (10.4.7) 1GB RAM, PowerMac8,1 CPU type PowerPC G5 (3.0)

Christopher Mayled-
I am glad that you found the advice helpful. I had the same problem with my iMac and it *****. However, you did get your computer repaired and that is the bottom line.
We have three Dell laptops in the house, all covered by the infamous battery recall. Nobody from Dell has bothered to contact us yet. We have received no information in the mail. All three laptops were properly registered. I found out about the recall through the press.
I once had a stroller recalled by Toys R Us. I found out abput it by walking into a TRU and seeing the flyer hanging up on the bulletin board.
My guess is that if some of the recalled units fall through the cracks and do not get repaired then the company doing the recall saves some money. It isn't right but apparently it is what happens. Probably because of sheer numbers more than anything this happens but how do I know?
Luck-
-DaddyPaycheck

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