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Old 02-14-2004, 07:45 PM   #1 (permalink)
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Kids Dual channel ram problems?

Hi'
we have built our first computer and it works great.
The question:

For the time being I have only 1 memory slot filled, because we ran out of funds.

Could that be a problem with dual channel ram?
We have the" AsusP4P 800 Deluxe"
Mobo and the ram in the one slot is:

Kingston 512 MB (KVR400X64C25/512)
The OS is: WinXP Home w. SP1
Video card is: Radeon 9800 Pro

Since it is dual channel ram, would it be ok to run on only one module for the time being?

I'll appreciate your thoughts. Ann

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Old 02-15-2004, 11:06 AM   #2 (permalink)
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Hi Ann,
It is absolutely fine to run a single RAM module. There is no requirement to have two installed at once! Everything will function just fine

- rp
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Old 02-15-2004, 11:10 AM   #3 (permalink)
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Yup, it's perfectly OK to run just one module.
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Old 02-16-2004, 10:51 AM   #4 (permalink)
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Thanks for your replies. It sets my mind at ease.
The computer is working flawlessly so far.
I was just wondering if this might put too much stress on just one module.
Thanks again!
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Old 02-17-2004, 12:59 PM   #5 (permalink)
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No it wont strain it. When talking pc's up to recently we had one ch mem not duel. So it just runs as a single ch. like most others do anyhow. When like this- It actually has to fully use dimm1 before it uses dimm2.

Example-
Think of it as a empty jar. When you have one-and its full, it simply dumps out what water isnt needed right now.

In Pc-
When data fills it up- it picks what data hasent been used lately and dumps it just like the water in jar example. This makes room for more recently and currently needed data. wheres the dumped data go? On your slower hdd Virtual memory. Remember not recently needed so its not a problem if you have like 512mb of ram these days. Meaning this cycle wont hurt your performance. The second stick of mem is used if the first is full= it goes on to second filling it, then does the mem dump to vm deal again when/if filled up. Think of this simply as having two jars instead of one. Each jar is no more or less strained due to being filled with water. So neither is the mem chips by being filled with data.

In duel its x2 this. On Nvidia Nforce2 chipset it guesses with second controler I dont know about Intels. havent followed their duel ddr ch mem chips. Anyone know if its like their cpu's and relys heavily on prediciton or is it diff then how NF2 does it? If it does then it might help somtimes mroe then others. Seeing how Intel is bandwidth hungry. THats if it doesnt rely on predicting the data needed.
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Old 02-17-2004, 01:05 PM   #6 (permalink)
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Thanks for your explanation.
It makes sense and I feel better about it.
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Old 02-17-2004, 09:54 PM   #7 (permalink)
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You have to have to have 2 slots occupied ( usually 2 and 3 ) to enable dual channel mode.

http://www.digit-life.com/articles2/...-1vs2channels/
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Old 02-18-2004, 01:59 PM   #8 (permalink)
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Thank you Pickel.
I'm planning on filling the 2. slot as soon as the prices come down a little more.

My only concern was the possibility of over taxing the system with just one stick of memory.
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