Question about Biostar GEFORCE 6100-M9 Motherboard

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GeForce 6100-M9 Low or High density RAM?

I can't seem to find this anywhere. I have two 1GB high density sticks that don't work. I don't even get a splash when booting. I'm assuming that it doesn't take high denstity, but thought I'd ask to be sure.

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  • david_kostel Jan 23, 2009

    I'm not asking about a brand of PC. Knowing the model of a PC has nothing to do with what type of RAM a MoBo uses. I'm asking about a SPECIFIC MoBo. Nonetheless...I discovered that it takes low density i.e. 64x4 rather than the 128x4.

  • david_kostel Feb 12, 2009


    The table in the manual only applies to the AMD K8 CPU launched before Rev. E. Since you have your sticks in a configuration not referenced in the table, and are working fine, I assume your CPU is after Rev. E or a different CPU altogether. I currently have 1Gig sticks in A1 and B1 plus 512 sticks in A2 and B2 (total of 3 Gigs) and they are working fine. I would put the Gig sticks in A1/B1 and the 256 sticks in A2/B2 (not sure if it matters, but I like the larger sticks in the 1st slots). Hope that takes your worries away.

    P.S. Just make sure you get low density sticks.

  • david_kostel Feb 14, 2009

    I looked at the manual directly from the Biostar website and didn't see anything about all four slots needing to be filled in order to acheive dual channel. As a matter of fact, the manual is rather short and without a lot of technical info. As far as the how to get the 1Gb without high density...that's above my head. My buddy gave me memory, it didn't work. I looked up what was typed on the sticker, which was 128 X 4 and got a bunch of hits about high density RAM and that low density would have the 64 X 4 (which my working RAM does have printed on it). I did a google search on high vs low density RAM, but didn't get any answers that I thought were conclusive. There's still a lot of confusion on my part. Hope I didn't bore ya with all this rambling : )

  • badpots May 11, 2010

    Well I've always wondered why memory configurators would only offer a few recommendations. I used Crucial's to narrow down the selection. I bought the 2 x 1GB kit CT2KIT12864Z40B. It is described as 128x64. All of the DDR's offered by Crucial (not just the recommended ones) are labelled x64 or x72(ECC). All of Crucial's 1gb DDR is labeled 128x. However, many hits online are referring to 128x64 as HIGH DENSITY. I find it hard to believe that all of Crucials memory is high density. I'm confident in Crucials recommendation but the information out there is not adding up.

  • badpots May 11, 2010

    Well,as a matter of fact my revision is reported as E4. From the manual it would appear that dual channell is not achieved with an early cpu unless all four slots are filled. You mention 64 x 4 and 128 x 4, but how do you get 1gb on a stick without it being high density? Are those specs available? I haven't heard that description used for a long time.

  • badpots May 11, 2010

    The manual shows SingleSided,DoubleSided up to 1GB in all 4 slots, but only using both DIMMA's before filling the DIMMB's. Did you have to go with 512 sticks? I have answered a simular post regarding memory on this motherboard. I currently have (2) 256 stick's in DIMMA1 and DIMMB1. This gives me 512 dual channel as indicated by CPUz, but is not a combination shown in the manual. I was going to buy (2) 1GB sticks for DIMMA2 and DIMMB2 but now you've got me worried.

  • Pauline Wetherby May 11, 2010

    need to know all the stats about your comp. type,model and series



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SOURCE: New ram makes my pc freeze

The manual doesn't show a combination of 3 sticks of memory. Only 1,2, or 4 sticks. Something to do with early CPU revisions.
DIMMA1 or 2 can be used individually or together, but both DIMMB1 and 2 must be filled if more than 2 sticks of mem are installed. The memory doesn't have to be the same in all 4 slots. However, what's not stated in the manual, is that if you want to enable the Dual Channel support the #1 sockets of both channels must be the same and likewise the #2 sockets. (not the sockets right next to each other) I don't know if Dual Channel can be run on one set and not the other. A free program called CPUz from CPUID .com will tell you if dual channel is enabled and everthing else you never knew about your computer. Go for (2) 1gb and (2) 512mb of the fastest you can afford. This puts you at the limit for 32bit systems.

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make sure the right memory is installed!!!

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