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New memory not working in ASUS k8n-e deluxes

3638 Views 12 Replies 4 Participants Last post by  Barry_R, 
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In my k8n-e I had a 512 memory, bought the same brand model 1gb. put it in and computer wouldn't boot, not even the bios. what did I do wrong? works on its own but not together.
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T
Hi,

There are some memory modules that certain models of 512 will work, but the same 1 gig models are not on the QVL. I would first check to see if that specific model AND SIZE is on the QVL list. Oh, you aren't trying to mix 512 and 1 gig together are you?
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Yes I am mixing the two, you can't do that anymore? you could 10 years ago.
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SO I think I will just stick with the 1gb and get an identical one. IT seems to be the consensus is that mixing is not compatable. UGH!

Hey, how big of a memory can the k8n-e handle? Meaning pc3200 (which I have) and can you do pc5000, or ddr2?
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linderman
Welcome to TSF:

PC 3200 or DDR 400 as often called is the best option for your mobo / I dont suggest you buy any DDR2 memory / and even if your board would support it / ddr2 has alot of perfromance proving to accomplish / its all hype in my opinion / yes it toutes being faster but with twice the latency it better be faster !!!!

I would opt for two stick of one gig memory same / get matched sticks i.e same maker, model, size !!! before you fall into water any deeper than you are I strongly advise you check your memory makers website to ascertain if they have a compatibility selector and check to see if your motherboard was tested with two sticks of one gig modules ???????

if they dont state so / then you are gambling again ????? gone are the good ole days where you can put any old stick of memory and fire up your system / now we have systems that are very fussy. The best way to buy memory is check compatability with the website selectors before you buy.

You will however see quite a perfromance boost when you get two matching sticks because your system will run in dual channel mode rather than single channel mode (if your mobo is dual channel capable ~~ didnt read that far into your mobo specs )

you could sell off your unused stick of 512 memory on ebay ?????

regards

joe
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SO the extra 1gb will enhance it. I alwayas wondered about that dual channel, I though I heard is on this board, but can't say for sure. will have search to find out.

I tell ya, sometimes my system is sluggish having CS2 and Elements 3.0 anfd netscape all open.
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found this on website:
asus memory question

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Is there any ASUS K8 series motherboard that can support dual-channel mode DDR?

AMD socket 754 CPUs are unable to support “Dual Channel” technology. But the CPU itself has integrated an “Integrated DDR memory controller” offering up to 6.4GB/sec of memory bandwidth.
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linderman
Hello Proff:

In order for a mobo to have a 800mhz front side bus it has to support dual channel mode / otherwise how could the board turn 400mhz memory into an 800mhz bus ?????? 400 x 2 = 800 ?????

until someone corrects me / I would say your system is a dual channel capable system


regards

joe
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Barry_R
linderman said:
Hello Proff:

In order for a mobo to have a 800mhz front side bus it has to support dual channel mode / otherwise how could the board turn 400mhz memory into an 800mhz bus ?????? 400 x 2 = 800 ?????

until someone corrects me / I would say your system is a dual channel capable system


regards

joe
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DDR ram is a funny thing. DDR ram is capable of 2 instructions per clock cycle so we say that 2 * 200mhz = 400Mhz FSB (DDR400). Because Intel quad pumps their bus we can get 4 instructions per clock cycle so 4 * 200mhz = 800Mhz FSB. The bus and usually the ram run at the system clock speed but because it does 4 instructions per cycle they saw fit to say it is 800Mhz.

If it looks good print it on the box! :grin:
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linderman
Actually Barry;

I was kind of expecting that ! All the other systems that are dual channel capable sure state it as so !! I found that board odd as its spec say 800 mhz bus yet there is no explaination on how to achieve daul channel mode ????

Proff:

Enter your system bios / and check (dont change anything) and make sure your system is running at 200mhz for ram settings


regards

joe
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P
Better go back to my bios, I had it set at 400 for the memory.
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linderman
Proff:

actually I think it will be the CPU speed / the external cpu speed that will be 200 and automatically the cpu does 4 clock cycles thus = 800 mhz


i dont mess with this stuff much (I'm an auto settings lover) so please dont change your bios based on my bablings ~~ LOL I am only trying to help you understand the basic principles until one of our gurus pops in here and flames my butt !!!!




joe
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Barry_R
Hi guys, here is a Link to the manual in PDF format. It should answer allot of questions about the ram.
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