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Thread: Expand DDR2 to 8GB




  1. #1
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    Question Expand DDR2 to 8GB

    Hello,
    Will I find any problems expanding my RAM with another pack of 4GB of a different vendor? (Kingston HyperX 4GB DDR2 1066 MHz, CL5 KHX8500D2T1K2/4G)

    My system:
    Cpu: C2Q Q9300 (2.5 GHz)
    Main board: Gigabyte GA-EP45-UD3P
    RAM: 4GB Patriot Viper 5-5-5-15 1066 2.1V

    Thanks for answer to this noob question.

  2. #2
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Talking Re: Expand DDR2 to 8GB

    Will you have problems with 8GB of mixed memory brands and/or part numbers?
    Probably.
    Why? Getting 8GB of identical DDR2 memory modules running at it's full rated speed sometimes can't be done. Mixing memory from different manufacturers and/or part numbers usually makes getting your system stable more difficult, even with lower memory speeds. With your Patriot/Kingston setup, each memory kit has different maximum allowed voltages.

    I prefer to run my memory, 4 or 8GB at lower speeds with tighter primary timings. My current P35 system is happily running 8GB of Kingston HyperX T1 memory at 874MHz with 4-4-4-10 primary settings and Performance Enhance = Turbo. Your chance of success is better because your EP45-UD3P has many more tweaking options than P35 systems.

    Are you familiar with stress testing? Memtest86+ testing? Prime95 testing?
    Do you want to overclock your cpu? What brand/model is the cpu heatink and fan?
    Which operating system version is installed on your computer?
    Why do you "need" 8GB of memory? Are you running many intensive applications? Do want or need to run virtual machines?

    To quickly familiarize yourself with the steps involved, use the forum's Advance Search feature and enter the following keywords: "8gb ep45-ud3P" without the quotes. In many of the threads we've given detailed explanations for the steps that you'll need to follow. Don't get hung up on all the details, you'll learn a lot very quickly with our help.

    My platter is very full right now, so I'm going to PM Chike and ask him to assist you.

    Private Message has been sent to Chike.
    Last edited by profJim; 12-02-2011 at 11:38 AM.
    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
    .


  3. #3
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    Default Re: Expand DDR2 to 8GB

    With your Patriot/Kingston setup, each memory kit has different maximum allowed voltages.
    2.1 vs 2.2? mmmm

    Are you familiar with stress testing? Memtest86+ testing? Prime95 testing?
    Yes

    Do you want to overclock your cpu?
    No. Maybe one day...

    What brand/model is the cpu heatink and fan?
    Xigmatek HDT-S1283

    Which operating system version is installed on your computer?
    Windows XP SP3, BUT I'm planing to install Windows 7 and some Linux 64 distribution.

    Why do you "need" 8GB of memory? Are you running many intensive applications? Do want or need to run virtual machines?
    Well, I do video editing, VMWare machines and several task at the same time. And I want to buy RAM now before DDR2 disappears or rises like printer's ink.

    So... not plug&play?

    Thanks for your help!

  4. #4
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Expand DDR2 to 8GB

    Is winXP SP3 32-bit or 64-bit?
    While 8GB might run OK with a 32-bit o/s, I don't know if it can fully use 8GB.
    My win2k ran great with 4GB of 1066 ram, but windows showed that only about 3.2GB was available due to 32-bit operating systems limitations. It won't hurt to try 8GB if you are running a 32-bit o/s.

    I think that your best chance of success with 8GB is to sell one of your current kits and buy a "matching" set of the memory kit that you're going to keep. With the EP45-UD3P, some of the forum members could only get 8GB stable by running their matching 1066 memory at ~ 900 - 1000MHz. Keep in mind that in most of the EP45 tweaking threads, they also wanted to overclock their cpu as high as possible.

    Chike and other forum members should reply shortly. With the performance "issues" that the forum had today, they might not be able to respond until tomorrow. I just logged back in to the forum and I see that there's been a "reset" and right now there are very few forum members online right now.
    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
    .


  5. #5
    Chike is offline Senior Member
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    Default Re: Expand DDR2 to 8GB

    What board revision is it 1.6 or 1.0/1.1?
    Prices not too high, maybe it's better to buy 2 matching kits and sell yours.
    Both the Kingston T1 and G.Skill PK selling for 65USD at newegg, perheps you can find them in your area or on eBay.
    I know a few members with a EP45-UD3P rev 1.0/1.1 were using the G.Skill, but 8GB will probably won't run without some tweaks.

  6. #6
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    Default Re: Expand DDR2 to 8GB

    The board is v1.1.
    I can try G.Skill or GeIL, but what is the main problem? ¿different vendors? ¿different voltage? ¿4 modules vs 2 modules?

  7. #7
    Chike is offline Senior Member
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    Default Re: Expand DDR2 to 8GB

    Large amount of memory may require higher NB(MCH) voltage.
    Mixing not only vendor but different models can be a PITA. I made a Dual-Channel/Felx mode tests with different size of G.Skill DDR-8500 which took endless reboots, with default settings the machine won't boot at all.
    Also memory density as you mentioned, 2 modules would be easier to set than 4.

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