ok im confused........on this board there is two blue slots (slot 1 and 3) and two black slots (slot 2 and 4) currently i have 2 x 512MB memory (which is a kingston value dual kit), now can i keep this 2 x 512MB, and add a 2 x 1GB (again a kingston value dual kit) in the black slots (slot 2 and 4), and will it ALL run in dual channel? AMD 64 3500 1 Gig Kingston Value DDR ram 256mb Geforce 6800GT agp Sound Blaster Audigy 2 Asus A8V Deluxe

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Well I've been involved with computers for over 20 years and working in the software industry for over a decade. So a little longer than the "few weeks" you proposed. My previous quote is from the Premium version of the board which is technically identical to the Delux version with the exception of a heat-pipe instead of a chipset fan. The manual for the Deluxe version also states on page 2-11 "In Dual-Channel configurations, install only identical (the same type and size) DDR DIMM pairs for each channel." So it contradicts itself in the same manual. If all four had to be the same why would it state "for each channel"? Seeing as the Premium was released after the Delux (and it is technically identical) I would suspect that the previous quote I posted is closer to the truth as they wouldn't have changed it from the Deluxe version if it wasn't more accurate. Every souorce I can find states that each pair must be identical. I can find nothing concerning this board or any other board, that states that when using more than one pair that the pairs must be matched as well. Until I see something to the contrary I stand by my original statement. Michael J

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This resource is concerning Dual Channel memory on Intel boards: http://www.kingston.com/newtech/MKF_520DDRwhitepaper.pdf For the best dual-channel memory performance on motherboards with the Intel dual-channel DDR chipsets, you must use identically paired memory modules in DIMM sockets 0 of channel A and B. Identically paired memory modules must also be used when populating DIMM sockets 1 of channel A and B. One can, for example, plug in matching 256MB DIMMs in both DIMM 0 slots, and plug in matching 512MB DIMMs in both DIMM 1 slots. This one does not address the issue as specifically, but it pertains to the 939 socket: http://www.channelregister.co.uk/2006/01/10/review_amd_athlon_fx-60/ The processor fits into the same 939-pin socket as all high-end Athlon 64 processors have since the switch from Socket 754. The extra pins facilitate a dual-channel DDR memory controller, which means support for four sticks of memory at the maximum 400MHz speed, the best use of available memory space (introduced first with the 'Venice' revE single core) and support for DIMMs of different sizes per memory channel. Michael J

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DarkManX4lf, Put the matched pairs in the same colored slots. Michael J

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Michael J "The manual for the Deluxe version also states on page 2-11 "In Dual-Channel configurations, install only identical (the same type and size) DDR DIMM pairs for each channel." So it contradicts itself in the same manual." This is almost exactly what I said in post 6. The white paper with ref to Intel boards has little to do with an AMD board. Michael J "DarkManX4lf, Put the matched pairs in the same colored slots." This is also referenced in post 6 "Use only IDENTICAL DIMMs in all FOUR sockets for dual channel configuration." The most interesting thing up to now is when you say: "So it contradicts itself in the same manual." Post 8 Just to remind you, comments starting like this: "Don't you love it when people respond to a post and don't have clue what they are talking about!" Post 4, will always receive a negative response. How long you have been involved in computers carries little or no weight, it is what you know that matters. And I don't need to do a cut and paste job from some white paper, about a different board, in order to imply knowledge. DarkManX4lf now has plenty of information to help him make his choice. And I also stand by what I have said, all of it. I too will stand by what I said. AMD Athlon 64 FX-55 WinXP Pro. WinXP Pro x64 Nvidia:6800GT Dane Electronic Pro. Dual 1024MB 400MHz RAM Tagan 480Watt PSU: 28Amps on +12volt rail. Asus A8V Deluxe "WiFi" M/Board

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Yeah, but unfortunately YOU have been giving him misinformation. You can stand by your words all you want - but they are wrong. As I said before I have the Premium version of that board and it is identical to the Deluxe except for the heatpipe. So, I decided to prove my point. Here are two images of my screen during bootup. The first is with two 1GB Memory modules. The second is with the two 1GB modules plus another pair of 512MB modules. And you will notice that in both instances the memory is running in dual channel. In the 2nd instance the memory is only running at 266 because of the two 512MB chips. (2) 1GB Modules (2) 1GB Modules + (2) 512MB modules So, let this be the end of it. Or do you still want to debate me on this? And, just how long have you been playing with computers junior? DarkManX4lf, sorry you had to put up with this drivel. As I said before put the matched pairs in the same color slots and you can run them in dual channel. Michael J

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I suggest you very carefully read the question that DarkManX4lf first asked, and the rely I gave post 3: " "Sticks must be of the same size and identical for dual mode using all four slots ..." The point here is the sticks MUST be identical for each dual channel,which is what I said in the begining. Whether they be 1G or 512MB,EACH must be a pair. Another thing, you have the Asus A8N-SLI, not the A8V Deluxe, you keep on saying they are exactley the same board except for the heatpipe. I suggest you read in depth the manual for both and you will find that there are differences. I don't think DarkManX4lf thinks it is drivel, it is good that he has choices of information. I will still stand by what I said, if you want to debate it's up to you. If you want it to end, it's up to you. The bottom line is neither one of us will agree on this particular point. AMD Athlon 64 FX-55 WinXP Pro. WinXP Pro x64 Nvidia:6800GT Dane Electronic Pro. Dual 1024MB 400MHz RAM Tagan 480Watt PSU: 28Amps on +12volt rail. Asus A8V Deluxe "WiFi" M/Board

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I am new to this site, I only signed up last night. Anyway, I found this one of the most interesting post up to now. After a very careful reading, several times, of all replies I personally think that both Michael J and Quicksilver are right in their way. It is a question, I think, of the way things are explained by both and the way you read the answers given. I don't wish to sound rude but there are some very poor examples of syntax here. Quicksilver's replies give the correct information, but in poor structure form leading to misunderstandings. Michael J, on the other hand gives a more precise answer leading to less confusion. The information given by both parties is correct but a lack of understanding has marred the issue for both. Before you both flame me, I may be new to this site but I am not new to computing. I apologise if my comments have appeared rude but I think that sometimes when people write in the heat of the moment, as seems here, there will be mistakes.

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Panasonic, I agree with you. And, Quicksilver was correct about one thing - I made a mistake concerning the board - I misunderstood it to be the A8N Deluxe. However, if this is a misunderstanding and we are both right, I don't see how his response #3 fits. The way I read it he states that all four sticks have to be identical to run in dual-channel. I read a lot of technical publications and I know I have read that each pair has to be identical, but the pairs don't have to match each other. So, I challenge him to do a test as I have done to prove his point. Or, to point to any documentation that supports his position. Yes, one document I cited pertained to Intel boards, but I stated that it was. The other document I cited was refering to ALL 939 motherboards when it stated that is supports DIMMS of different sizes per channel. Michael J

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Michael J Mmm, I am trying not to inflame the situation here. I agree what Quicksilver said in 3 does leave it open to your interpretation. I think this may have been a quick answer, perhaps not fully thought through. However, mmm, in 13 he does qualify what he means and in a much clearer manner; "The point here is the sticks MUST be identical for each dual channel,which is what I said in the begining. Whether they be 1G or 512MB,EACH must be a pair." I think he should have added that sizes can be mixed as long as each pair is the same specification, whether it be 1G or 512MB. That would have made it clearer. You know, new as I am to this site, I always find it a bit sad when people get to this situation when trying to help someone. It will of course happen, but it doesn't help, tempers get frayed and things are said that perhaps shouldn't have been. You and Quicksilver seem to be of very stong views in what you both believe to be right. Sorry if I seem to be preaching, I don't mean to. I just don't like people falling out on a site that is meant to help those who seek it, it only serves to result in the questioner being more confused. I do hope that you and Quicksilver solve your differences, I have had a quick look at past posts from both of you and feel you both have much to offer by way of help to others even if the means are different. Thank you for at least allowing me to have my say, you too Quicksilver if you read this.

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