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PC Ram question

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kireol
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Joined: 02 Aug 2003
Posts: 9517
Location: Royal Oak, MI



PostPosted: 02/14/06 - 19:58    Post subject: PC Ram question Reply with quote

I need new ram. my MB requires PC3200. I see corsair has 2 different types.

http://www.newegg.com/Product/Product.asp?Item=N82E16820145505
which i THINK is just 1 chip of 1 gb.

and

http://www.newegg.com/Product/Product.asp?Item=N82E16820145440
which is 2 chips.

I'd like to just take up 1 slot. the price seems about the same. but the 1 chip has a "cas latency" of 3 and the 2 chips have a 2.5


My question is, is the 3 going to be slower? Enough to notice or care about?


thanks Smile
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atarom
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Joined: 11 Oct 2002
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PostPosted: 02/14/06 - 20:28    Post subject: Reply with quote

i doubt it
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Maldek
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Joined: 16 Oct 2002
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PostPosted: 02/14/06 - 20:31    Post subject: Reply with quote

buy the big chip
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Overon
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Joined: 14 Oct 2002
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PostPosted: 02/14/06 - 20:42    Post subject: Reply with quote

RamSlot2: Hey RamSlot3, what's data?
RamSlot3: Don't ask me.
RamSlot2: Hey RamSlot1, what's data?
RamSlot1: Never seen it. Ask RamSlot0.
RamSlot2: Hey RamSlot0, what's data?
RamSlot0: *Yawn* .. What?




and no, 2 chips is definitely not slower than 1
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atarom
Dalai Lama of RealPoor
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Joined: 11 Oct 2002
Posts: 16398
Location: 375th st. Y



PostPosted: 02/14/06 - 20:44    Post subject: Reply with quote

Overon wrote:
RamSlot2: Hey RamSlot3, what's data?
RamSlot3: Don't ask me.
RamSlot2: Hey RamSlot1, what's data?
RamSlot1: Never seen it. Ask RamSlot0.
RamSlot2: Hey RamSlot0, what's data?
RamSlot0: *Yawn* .. What?


that might be the nerdiest thing i've ever seen.
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myndwarrp
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Joined: 27 Jan 2004
Posts: 637



PostPosted: 02/14/06 - 20:47    Post subject: Reply with quote

Latency isnt the only thing to consider. If your mobo can run dual channel, get 2 sticks. You *WILL* notice a difference between i stick at CAS 3 and (2) sticks of CAS 2.5 IN DUAL CHANNEL.
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kireol
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Joined: 02 Aug 2003
Posts: 9517
Location: Royal Oak, MI



PostPosted: 02/14/06 - 20:51    Post subject: Reply with quote

myndwarrp wrote:
Latency isnt the only thing to consider. If your mobo can run dual channel, get 2 sticks. You *WILL* notice a difference between i stick at CAS 3 and (2) sticks of CAS 2.5 IN DUAL CHANNEL.



cool. thanks guys.


and myndwarrp, it says it can do it. wiaiting for some downloads to finish to see if it's turned on. i'm guessing that that is in the BIOS somewhere.

Quote:
Model
Brand Gigabyte
Model GA-K8NF-9
Supported CPU
CPU Socket Type Socket 939
CPU Type Athlon 64 FX/Athlon 64/Sempron
FSB 800MHz Hyper Transport (1600MT/s)
Chipsets
North Bridge NVIDIA nForce4
Memory
Number of DDR Slots 4x 184pin DDR
DDR Standard DDR 400 (PC 3200)
Maximum Memory Supported 4GB
Dual Channel Supported Yes
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myndwarrp
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Can't Stop Posting


Joined: 27 Jan 2004
Posts: 637



PostPosted: 02/14/06 - 21:08    Post subject: Reply with quote

kireol wrote:
myndwarrp wrote:
Latency isnt the only thing to consider. If your mobo can run dual channel, get 2 sticks. You *WILL* notice a difference between i stick at CAS 3 and (2) sticks of CAS 2.5 IN DUAL CHANNEL.



cool. thanks guys.


and myndwarrp, it says it can do it. wiaiting for some downloads to finish to see if it's turned on. i'm guessing that that is in the BIOS somewhere.

Quote:
Model
Brand Gigabyte
Model GA-K8NF-9
Supported CPU
CPU Socket Type Socket 939
CPU Type Athlon 64 FX/Athlon 64/Sempron
FSB 800MHz Hyper Transport (1600MT/s)
Chipsets
North Bridge NVIDIA nForce4
Memory
Number of DDR Slots 4x 184pin DDR
DDR Standard DDR 400 (PC 3200)
Maximum Memory Supported 4GB
Dual Channel Supported Yes


Unless you've f****d with your BIOS, it will run dual channel automatically. You should see the confirmation message in the boot sequence.
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Regan
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Joined: 22 Oct 2002
Posts: 751
Location: Miami



PostPosted: 02/14/06 - 21:30    Post subject: Reply with quote

It will run dual channel auto if you stick the sticks in the right slots.

When you open your case, you should see two pairs of two slots. Putting both RAM sticks in the 2 slots of the same pair will disable dualchannel.

To Enable dual channel the 2 RAM sticks must be in matching slots of the difrent pairs. So if you had a 1-2 pair, and a 3-4 pair, you would need to put RAM in the 1 and 3 slot. If you have 4 sticks of RAM in there it'll be running dual channel by default.

Something you might find usefull, if running 4 sticks in a dual channel board, and any of the 4 is not the exact same as the other 4, disable dual channel, or your machine will get fekked over time.
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kireol
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Joined: 02 Aug 2003
Posts: 9517
Location: Royal Oak, MI



PostPosted: 02/14/06 - 21:39    Post subject: Reply with quote

right on. thanks again. I've had them in the same bank since i got it. hahah. Smile
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