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  1. #1
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    Adding RAM question

    Hey guys,

    I currently have 8GB of RAM in my G75VX. I got two 4gb RAM modules from my brothers old laptop, here is the datasheet for these modules: http://www.datasheetarchive.com/dl/D...SA00199067.pdf I want to know if they will work with my laptop.

    Here are the specifications of my current two installed RAM modules:

    Module Number: 1
    Module Size: 4096 MBytes
    Module Type: SO-DIMM
    Memory Type: DDR3 SDRAM
    Memory Speed: 800.0 MHz (PC3-12800)
    Module Manufacturer: Hynix (Hyundai)
    Module Part Number: HMT351S6CFR8C-PB
    Module Revision: 12366
    Module Serial Number: 3820586507
    Module Manufacturing Date: Year: 2012, Week: 41
    SDRAM Manufacturer: Hynix (Hyundai)
    Error Check/Correction: None
    Number Of Banks: 8
    Number Of Ranks: 2
    Device Width: 8 bits
    Bus Width: 64 bits
    Module Density: 2048 Mb
    Module Voltage: 1.5 V
    Minimum SDRAM Cycle Time: 1.250 ns
    CAS# Latencies Supported: 5, 6, 7, 8, 9, 10, 11
    Minimum CAS# Latency Time: 13.125 ns
    Minimum RAS# to CAS# Delay: 13.125 ns
    Minimum Row Precharge Time: 13.125 ns
    Minimum Active to Precharge Time: 35.000 ns
    Minimum Write Recovery Time: 15.000 ns
    Minimum Row Active to Row Active Delay: 6.000 ns
    Minimum Active to Active/Refresh Time: 48.125 ns
    Minimum Refresh Recovery Time Delay: 160.000 ns
    Minimum Internal Write to Read Command Delay: 7.500 ns
    Minimum Internal Read to Precharge Command Delay: 7.500 ns
    Minimum Four Activate Window Delay Time: 30.000 ns
    Supported Module Timing at 800.0 MHz: 11-11-11-28
    Supported Module Timing at 666.7 MHz: 9-9-9-24
    Supported Module Timing at 400.0 MHz: 6-6-6-14
    Supported Module Timing at 333.3 MHz: 5-5-5-12
    Auto Self Refresh: Supported
    Extended Temperature Range: Supported
    Extended Temperature Refresh Rate: Not Supported
    On-die Thermal Sensor Readout: Not Supported
    Module Number: 3
    Module Size: 4096 MBytes
    Module Type: SO-DIMM
    Memory Type: DDR3 SDRAM
    Memory Speed: 800.0 MHz (PC3-12800)
    Module Manufacturer: Hynix (Hyundai)
    Module Part Number: HMT351S6CFR8C-PB
    Module Revision: 12366
    Module Serial Number: 4172883467
    Module Manufacturing Date: Year: 2012, Week: 41
    SDRAM Manufacturer: Hynix (Hyundai)
    Error Check/Correction: None
    Number Of Banks: 8
    Number Of Ranks: 2
    Device Width: 8 bits
    Bus Width: 64 bits
    Module Density: 2048 Mb
    Module Voltage: 1.5 V
    Minimum SDRAM Cycle Time: 1.250 ns
    CAS# Latencies Supported: 5, 6, 7, 8, 9, 10, 11
    Minimum CAS# Latency Time: 13.125 ns
    Minimum RAS# to CAS# Delay: 13.125 ns
    Minimum Row Precharge Time: 13.125 ns
    Minimum Active to Precharge Time: 35.000 ns
    Minimum Write Recovery Time: 15.000 ns
    Minimum Row Active to Row Active Delay: 6.000 ns
    Minimum Active to Active/Refresh Time: 48.125 ns
    Minimum Refresh Recovery Time Delay: 160.000 ns
    Minimum Internal Write to Read Command Delay: 7.500 ns
    Minimum Internal Read to Precharge Command Delay: 7.500 ns
    Minimum Four Activate Window Delay Time: 30.000 ns
    Supported Module Timing at 800.0 MHz: 11-11-11-28
    Supported Module Timing at 666.7 MHz: 9-9-9-24
    Supported Module Timing at 400.0 MHz: 6-6-6-14
    Supported Module Timing at 333.3 MHz: 5-5-5-12
    Auto Self Refresh: Supported
    Extended Temperature Range: Supported
    Extended Temperature Refresh Rate: Not Supported
    On-die Thermal Sensor Readout: Not Supported

    here is cpu-z picture of current installed ram
    Click image for larger version. 

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  2. #2
    ROG Guru: Black Belt Array rewben PC Specs
    rewben PC Specs
    Laptop (Model)G55VW-3D
    MotherboardASROCK Z97 EXTREME 6
    ProcessorINTEL 4790K
    Memory (part number)G.SKILL RIPJAWZ 2400MHZ (F3-19200CL10Q-32GBZHD)
    Graphics Card #1ASUS STRIX-GTX980-DC2OC-4GD5
    Graphics Card #2ASUS STRIX-GTX980-DC2OC-4GD5
    MonitorDELL U2713HM
    Storage #1SAMSUNG SM843 480GB X2
    Storage #2WD GREEN 3TB X2
    CPU CoolerSWIFTECH H240-X
    CaseNZXT H440
    Power SupplyTHERMALTAKE TOUGHPOWER XT PLATINUM 1275W
    Keyboard CORSAIR K70 RGB
    Mouse STEELSERIES KINZU V3
    Headset STEELSERIES 9H
    Mouse Pad STEELSERIES QCK+
    Headset/Speakers LOGITECH Z506
    OS WINDOWS 10 PRO AU
    Network RouterASUS RT-AC66U

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    note that there are some variants of the elpida ram according to the datasheet. if it's of 1600MHz, then it's good (you can just put them in and see if they have downclocked the system).

  3. #3
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    how do i know if the system was downclocked?

  4. #4
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    it says on the module PC3-10600S-9-10-F2

  5. #5
    ROG Guru: Black Belt Array rewben PC Specs
    rewben PC Specs
    Laptop (Model)G55VW-3D
    MotherboardASROCK Z97 EXTREME 6
    ProcessorINTEL 4790K
    Memory (part number)G.SKILL RIPJAWZ 2400MHZ (F3-19200CL10Q-32GBZHD)
    Graphics Card #1ASUS STRIX-GTX980-DC2OC-4GD5
    Graphics Card #2ASUS STRIX-GTX980-DC2OC-4GD5
    MonitorDELL U2713HM
    Storage #1SAMSUNG SM843 480GB X2
    Storage #2WD GREEN 3TB X2
    CPU CoolerSWIFTECH H240-X
    CaseNZXT H440
    Power SupplyTHERMALTAKE TOUGHPOWER XT PLATINUM 1275W
    Keyboard CORSAIR K70 RGB
    Mouse STEELSERIES KINZU V3
    Headset STEELSERIES 9H
    Mouse Pad STEELSERIES QCK+
    Headset/Speakers LOGITECH Z506
    OS WINDOWS 10 PRO AU
    Network RouterASUS RT-AC66U

    Join Date
    Jun 2012
    Reputation
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    Quote Originally Posted by Xylem View Post
    how do i know if the system was downclocked?
    check the dram frequency from cpu-z (like the image you posted above). if it's lower than the current one, which is near 800MHz, it's downclocked. apparently it's a 1333MHz ram (PC3-10600S-9-10-F2). i guess it will work, but running at 1333MHz, not 1600MHz.

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