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Question about RAM memory...

 
Anonymous Coward
User ID: 784788
Serbia
10/02/2009 12:37 PM
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Question about RAM memory...
I have a 1 GB RAM memory module, and another one with 512 MB of RAM.

Does it matter in which order I put them in my motherboard?

I heard that you should first put a 512 MB RAM module.

Is this true?
Anonymous Coward
User ID: 629052
United States
10/02/2009 12:45 PM
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Re: Question about RAM memory...
i would put the gig first
Anonymous Coward
User ID: 784794
Australia
10/02/2009 12:48 PM
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Re: Question about RAM memory...
It is generally a bad idea to mix different sizes, speeds and brands, one ought to use modules that match.

The order and placement depend on the motherboard, your motherboard manual will tell you the best configuration.

Don't be suprised if your PC doesn't post if you put both of those in though.
Anonymous Coward
User ID: 760205
United States
10/02/2009 12:48 PM
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Re: Question about RAM memory...
well, honestly, it depends.

Does your motherboard have 1,2 or 4 ram slot's?

Does your motherboard have 1 or 2 memory controllers?

YES, it does matter.

I strongly suggest you make both ram sticks 1 gig.

It will prevent frustrating and odd errors.
Anonymous Coward
User ID: 20215
United States
10/02/2009 12:50 PM
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Re: Question about RAM memory...
It's also possible that the ram will run at the slowest speed of the two sticks. I'd suggest if the 1g stick is what it's compatable with, use it only.
Anonymous Coward
User ID: 768988
United States
10/02/2009 12:57 PM
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Re: Question about RAM memory...
It is generally a bad idea to mix different sizes, speeds and brands, one ought to use modules that match.
 Quoting: Anonymous Coward 784794


true.

with ram, quality out-performs quantity. simply put: do not use both sticks. the slower one always handicaps the faster.

use whichever stick has the higher clock speed and lowest latency.
Anonymous Coward
User ID: 538386
United States
10/02/2009 12:59 PM
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Re: Question about RAM memory...
Also, don't buy cheap RAM.

My old production computer actually smoked after putting in some budget ram modules and turning it on.
bobbyz

User ID: 120457
United States
10/02/2009 01:03 PM

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Re: Question about RAM memory...
Also, don't buy cheap RAM.

My old production computer actually smoked after putting in some budget ram modules and turning it on.
 Quoting: Anonymous Coward 538386




you mean it went fast with good modules, or it literally almost caught on fire because of bad modules?

hiding
put rock in geyser.
Anonymous Coward
User ID: 651350
Netherlands
10/02/2009 01:04 PM
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Re: Question about RAM memory...
I have a 1 GB RAM memory module, and another one with 512 MB of RAM.

Does it matter in which order I put them in my motherboard?

I heard that you should first put a 512 MB RAM module.

Is this true?
 Quoting: Anonymous Coward 784788

i would only putt in the 1gig

doesnt help to have 2 differnt sized ram modules

stick in the 1 gb and get another one to go with that.
their not that $$ anymore
Anonymous Coward
User ID: 647690
United States
10/02/2009 01:05 PM
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Re: Question about RAM memory...
ok..
first check your systemboard manual, you can easily mix memory sizes if your board supports the module.
second your systemboard manual should tell you the order tehy can be inserted in.
third it is true, your system will run at the speed of the slowest memory.. e.g. if you have PC 5300 memory and PC 4700 memory.. the system will run at PC 4700 speeds.

most PC manufactures specify specific memory ONLY because that is what they have tested with. generally if you have a good quality memory stick I have found very few issues even mixing and matching manufactures.
Anonymous Coward
User ID: 538386
United States
10/02/2009 01:06 PM
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Re: Question about RAM memory...
you mean it went fast with good modules, or it literally almost caught on fire because of bad modules?

hiding
 Quoting: bobbyz

Actual smoke. Fried everything important, was able to save the hard drives thankfully. All to save $20 per module.
Anonymous Coward (OP)
User ID: 784788
Serbia
10/02/2009 01:08 PM
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Re: Question about RAM memory...
well, honestly, it depends.

Does your motherboard have 1,2 or 4 ram slot's?

Does your motherboard have 1 or 2 memory controllers?

YES, it does matter.

I strongly suggest you make both ram sticks 1 gig.

It will prevent frustrating and odd errors.
 Quoting: Anonymous Coward 760205


My motherboard has 2 RAM slots.
All together, it supports up to 2 GB RAM memory.

My memory modules are of the same type (DDR1 400 MHz), just different sizes.

I tried them already and they work fine.

I was just wondering is there a difference if I put them in certain order.

Because I heard that you should put in a first slot a memory module with smaller size.

I also heard that if you put a maximum RAM that your motherboard can take, it will slow down your computer.

So, should I get another 1 GB RAM module, or should I just put a 512 MB one?

And in which order?
Anonymous Coward (OP)
User ID: 784788
Serbia
10/02/2009 01:11 PM
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Re: Question about RAM memory...
Oh, and the memory modules are of the same brand.
Anonymous Coward
User ID: 784615
India
10/02/2009 01:11 PM
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Re: Question about RAM memory...
i would put the gig first
 Quoting: Anonymous Coward 629052


+1
Anonymous Coward (OP)
User ID: 784788
Serbia
10/02/2009 01:13 PM
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Re: Question about RAM memory...
It is generally a bad idea to mix different sizes, speeds and brands, one ought to use modules that match.


true.

with ram, quality out-performs quantity. simply put: do not use both sticks. the slower one always handicaps the faster.

use whichever stick has the higher clock speed and lowest latency.
 Quoting: Anonymous Coward 768988


They have the same clock speed and the same latency.
Anonymous Coward
User ID: 431716
United States
10/02/2009 01:14 PM
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Re: Question about RAM memory...
another question if anyone can answer. is it best to keep the cpu and ram to a 1:1 ratio (speed). is there any gains from having faster ram than cpu or is that just going to create a bottleneck?
Anonymous Coward
User ID: 766175
United States
10/02/2009 01:17 PM
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Re: Question about RAM memory...
another question if anyone can answer. is it best to keep the cpu and ram to a 1:1 ratio (speed). is there any gains from having faster ram than cpu or is that just going to create a bottleneck?
 Quoting: Anonymous Coward 431716


? wtf?

need links
Anonymous Coward
User ID: 769898
Australia
10/02/2009 01:20 PM
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Re: Question about RAM memory...
No it doesn't matter in what order.
Don't mix speeds sizes and brands is ok.
Anonymous Coward
User ID: 431716
United States
10/02/2009 01:32 PM
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Re: Question about RAM memory...
another question if anyone can answer. is it best to keep the cpu and ram to a 1:1 ratio (speed). is there any gains from having faster ram than cpu or is that just going to create a bottleneck?


? wtf?

need links
 Quoting: Anonymous Coward 766175

my cpu is a intel 8400 overclocked to 3.6ghz
so my cpu fsb is 200x4(quad pumped)= 800mhz
my ram is currnetly set at 2x400= 800mhz

so cpu to ram ratio is 1:1
i heard this supposed to be the best but i have ram that can do 1066 (2x533). just wondering if there is any use in having ram faster than the cpu can handle

link for a better idea

[link to www.tomshardware.com]
Anonymous Coward
User ID: 781754
United Kingdom
10/02/2009 01:37 PM
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Re: Question about RAM memory...
No it doesn't matter in what order.
Don't mix speeds or sizes but brands are ok.
 Quoting: Anonymous Coward 769898



From SDRAM onwards it does not matter unless it's a server type board requiring ECC or registered DIMM's
Gradient
Get over yourself

User ID: 777904
United States
10/02/2009 01:39 PM

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Re: Question about RAM memory...
No it does not matter.
coexistt


glptrainer(at)yahoo.com
Anonymous Coward
User ID: 519348
United States
10/02/2009 01:40 PM
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Re: Question about RAM memory...
use only the 1gig dimm.

Then ...build a real computer. =)
Anonymous Coward (OP)
User ID: 784788
Serbia
10/02/2009 01:42 PM
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Re: Question about RAM memory...
No it doesn't matter in what order.
Don't mix speeds sizes and brands is ok.
 Quoting: Anonymous Coward 769898


What does CL 2.5 or CL 3 mean?

If they differ, would that be ok?

If CL differ, would ram modules still work?
Anonymous Coward
User ID: 755883
United States
10/02/2009 08:57 PM
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Re: Question about RAM memory...
No it doesn't matter in what order.
Don't mix speeds sizes and brands is ok.


What does CL 2.5 or CL 3 mean?

If they differ, would that be ok?

If CL differ, would ram modules still work?
 Quoting: Anonymous Coward 784788



[link to en.wikipedia.org]

If the CL differ, the modules will run at the larger latency. Under normal circumstances with a computer of this era you might see a 1-2 percent performance increase under certain applications going from CAS 3 to CAS 2. I have measured the difference on my system (Athlon XP2500+, 2 512M CAS 2 modules) between CAS 2 and CAS 2.5 and it was less than a 1 percent difference.

Ideally, with DDR, you will buy modules of the same size, banking, etc. Best to match the original part number if possible. The goal is matched sets which will allow the "Dual" in DDR memory to give a performance increase.

If you are in a spot where RAM is available, and cheap, you might be able to find another 1 GB DDR1 module cheap or perhaps 2 1GB modules for less than USD 50.

In all reality, under normal desktop computer use, the performance gain will come from the operating system having more RAM available, allowing fewer accesses to the hard drive. Programs will seem "snappier". Since this is such an old computer with old memory technology, cheaper is better.

I've been running this computer with 1GB for more than six years and it's fine (Windows XP for older games and Internet). My memory slots are full and I have no intention to spend more money on it.

If you have a spare 512M module, DDR, it wouldn't hurt to try it and it would make things faster. Otherwise, don't go out of your way to improve the computer.





GLP