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Thread: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

  1. #1
    Spockton is offline Junior Member
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    Default Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Good day everyone. I hope this post finds you in good heath & spirits. I just purchased ASRock G31M-GS R2.0 775 chipset

    I will be installing a Intel Q9650 cpu
    Arctic Freezer 7 Pro Rev.2 cpu cooler
    I have windows 7 home premium
    I was reading up with crucial that
    • Windows 7 Home Premium: can max out at 16 GB
      would it be possible for me to max this board out w/ 2 identical 8 gig sticks 8x8 w/ a total of 16gigs of ram?

      Also with ddr3 memory out there on the market wouldn't this be a better purchase to purchase ddr3 as it's much cheaper than ddr2 and they are both considered sdram?
      I'm sorry for posting about a older board but this one is brand new in a box bought off ebay and I am waiting for it too arrive. Sure just would like to max it out and use it for gaming. Thanks again

  2. #2
    - wardog -'s Avatar
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Unfortunately, your board will only accept DDR2 memory. DDR3 will not even fit in the memory slots this board has. They, DDR / DDR2 / DDR3, are keyed differently to keep users from doing just what you're contemplating.

    As for the MAX memory question, I' suggest searching the forum here and seeing if anyones gone over the 8GB Max the boards page details.
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  3. #3
    parsec's Avatar
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    I'm surprised ASRock is saying this board can use 8GB of memory, since the original specs of the G31 chipset, which contains the memory controller, states a 4GB limit:

    ARK | Intel® G31 Express Chipset (Intel® 82G31 Graphics and Memory Controller)

    The following is from the G31 chipset data sheet:

    The (G)MCH supports 36 bit addressing. The maximum main memory size supported
    is 4 GB total DRAM memory. A hole between TOLUD and 4 GB occurs when main
    memory size approaches 4 GB or larger. As a result, TOM, and TOUUD registers and
    RECLAIMBASE/RECLAIMLIMIT registers become relevant.


    But that apparently was a limit that was able to be surpassed. I would not expect the 8GB limit to be again surpassed. The next question would be, do 8GB DDR2 DIMMs exist?

  4. #4
    Spockton is offline Junior Member
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Hello Wardog :-) Parsec :-) ty for the info. I must say it's been a head ache trying too find ddr2 ram at a decent price. I dunno if it's just that it's outdated or what. I did find some ram but I would hope someone could verify that it will work in my mobo or not or direct me too a more valued priced location:
    Plz excuse me for the link I am just showing for reference: http://www.amazon.com/Kingston-ValueRAM-667MHz-Buffered-Desktop/dp/tech-data/B000JQV8HE/ref=de_a_smtd/192-4188224-0267058

    Gosh it sure would be nice if ddr3 would work in this mobo anyhoo any help would be muchly appreciated. T/c & look forward too a heads up.

  5. #5
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    The memory you linked to; Amazon.com: Kingston ValueRAM 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank x4 Desktop Memory will not work because the specifications for your motherboard state:

    • Dual Channel DDR2 memory technology
    • 2 x DDR2 DIMM slots
    • Supports DDR2 800/667 non-ECC, un-buffered memory
    • Max. capacity of system memory: 8GB

    I don't know of any LGA775 non-server motherboards that will work with ECC Fully Buffered memory installed.

    Other than buying used memory kits from eBay, CraigsList, or a local pc recycling store, you might be better off buying a used P35 or P45 motherboard that uses ddr3 memory or the option to use ddr2 or ddr3 (but not both at the same time) memory kits.

    Six months ago I lucked out when I bought the following hardware at a very reasonable price from a local private seller on CraigsList:
    • Q9650 quad core cpu
    • Gigabyte P35-DS4 motherboard
    • 16GB (8x2GB) OCZ Reaper PC2-8500 (1066MHz, cas5) High performance memory
    • Noctua NH-C12P downdraft cpu cooler and NF-P12 fan
    • HD 4670 video card
    • assorted other hardware

    I already had a new new Seasonic 660 watt 80Plus Platinum power supply and computer case.
    As I recall, at that time, high performance used 2x2GB ddr2 memory kits were selling for $60 (or much more) for each kit.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  6. #6
    parsec's Avatar
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Quote Originally Posted by Spockton View Post
    Hello Wardog :-) Parsec :-) ty for the info. I must say it's been a head ache trying too find ddr2 ram at a decent price. I dunno if it's just that it's outdated or what. I did find some ram but I would hope someone could verify that it will work in my mobo or not or direct me too a more valued priced location:
    Plz excuse me for the link I am just showing for reference: http://www.amazon.com/Kingston-ValueRAM-667MHz-Buffered-Desktop/dp/tech-data/B000JQV8HE/ref=de_a_smtd/192-4188224-0267058

    Gosh it sure would be nice if ddr3 would work in this mobo anyhoo any help would be muchly appreciated. T/c & look forward too a heads up.
    wardog is right about DDR3 memory not working in a DDR2 memory slot, as he said the two types are physically incompatible and made that way specifically to prevent using one type in the others slot.

    The current market for DDR2 memory is small and no new boards are being made that can use it, for quite a while. That's really the fault of the system's memory controller which is now part of the CPU itself, and DDR3 memory has been used for about four years now to match the memory controllers. Yes, they only use DDR3 memory.

    How about something from this retailer: Newegg.com - Computer Hardware, Memory, Desktop Memory, 240-Pin DDR2 SDRAM, Newegg

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    Spockton is offline Junior Member
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    I have been looking for 2 (4) gig sticks of ram thats not going to rape my wallet. I've found ram as high as $300.00 "for 2 sticks" and as low as 79.00 "per stick" all new. Can't find any used unfortunately.
    I have been searching ebay, tigerdirect, directron, & many others. Newegg I won't do business with.

    * I just purchased the wrong ram and contacting the vendor * Just realized it was server & no desktop * sorry for edit & update *
    Last edited by Spockton; 04-30-2014 at 12:45 AM.

  8. #8
    parsec's Avatar
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Quote Originally Posted by Spockton View Post
    I have been looking for 2 (4) gig sticks of ram thats not going to rape my wallet. I've found ram as high as $300.00 "for 2 sticks" and as low as 79.00 "per stick" all new. Can't find any used unfortunately.
    I have been searching ebay, tigerdirect, directron, & many others. Newegg I won't do business with.

    * I just purchased the wrong ram and contacting the vendor * Just realized it was server & no desktop * sorry for edit & update *
    Good luck finding cheap 4GB DIMMs, the cheapest one on Newegg (no Newegg??) is $105 each. 4GB DIMMs were relatively rare in the DDR2 days, 2GB DIMMs are the most common.

    Hmm, just found my Corsair DDR2 800 2 x 2GB XMS2 5 5 5 18 memory for $73. My similar Patriot DDR2 memory is not listed.

    Prof Jim, sounds like you got quite a steal with that PC, including the 8GB DDR2 DIMMs.

  9. #9
    - wardog -'s Avatar
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Yea, your wallet's gonna get a reach around for 2x4GB sticks. Plain and simple.

    Bummer is this board has only two memory slots. Maybe time time to regroup and look at things from a different angle?
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the PSU Calculator found HERE to determine if it might be the PSU causing issues. I do(Lifetime PRO ver.) and will mention so if it is marginal for your build.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

    ASRock Z77 Extreme6, i7-3770K, 16GB F3-14900CL9D-8GBSR, Seasonic SS-660XP2 Platinum, On-die HD 4000, Corsair H80i, Antec Spot Cool, Fractal Design R4 Black Pearl w/Window
    Server 1: ASRock 990FX Extreme9, FX-8150, 32GB AE316G1601U2K, Seasonic X-750 Gold, IBM ServeRAID M1015 (IT Mode), PowerColor AX5450 1GBK3-SH, Corsair H80i, Antec Spot Cool, Fractal Design XL R2
    Server 2: ASRock FM2A88X Extreme6+, A10-6800K, 16GB F3-17000CL11D-8GBXL, Seasonic X750 Gold, IBM ServeRAID M1015 (IT Mode), On-die HD 8670D, Corsair H80i, Antec Spot Cool, Fractal Design Arc Midi R2

  10. #10
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    Default Re: Max Memory Questions ASRock G31M-GS R2.0 775 chipset

    Quote Originally Posted by parsec View Post
    Prof Jim, sounds like you got quite a steal with that PC, including the 8GB DDR2 DIMMs.
    Just to clarify, my purchase included four 2x2GB memory kits but I'm obviously limited to using 8GB in two systems.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


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