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Thread: GA-H55M-UD2H won't accept 8 GIGs of RAM




  1. #1
    Join Date
    Dec 2010
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    USA
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    Default GA-H55M-UD2H won't accept 8 GIGs of RAM

    Board revision is v1.3
    BIOS is F11

    Have tried to install 8 GIGS of RAM on fresh build with this board.

    (4 sticks) G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL

    (4 sticks) A-DATA Gaming Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model AX3U1600GB2G9-2G

    Board will not boot with 4 sticks installed.

    What settings are recommended for either set of above RAM?

    Thank you.

  2. #2
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    Location
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    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    try setting qpi/vtt to 1.315v and set dram voltage according to the ram,either 1.5v or 1.66v
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  3. #3
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    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    Those voltages aren't present as selections.

    Data on current ram installed (two gig sticks for total of 4)

    G-Skill
    CL 9 9 9 24 1.5v

    Will try the ADATA which says it's dual channel at next power down.

  4. #4
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    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    you should be able to adjust the qpi/vtt and dram voltages?does it boot with just 4gb of ram in the white slots?
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
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    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    It's weird, because neither set of RAM will boot normally in slots 1 & 3.

    But if I put them in 1 & 2 things work as one would expect.
    This happens with both the ADATA and G-Skill. Presently the G-Skill is in.

    CPU
    Intel Core i3 540
    Cores 2
    Threads 4
    Name Intel Core i3 540
    Code Name Clarkdale
    Package Socket 1156 LGA
    Technology 32nm
    Specification Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz
    Family 6
    Extended Family 6
    Model 5
    Extended Model 25
    Stepping 5
    Revision K0
    Instructions MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T
    Bus Speed 160.0 MHz
    Rated Bus Speed 3520.7 MHz
    Stock Core Speed 3066 MHz
    Stock Bus Speed 133 MHz
    Average Temperature 30 C
    Caches
    L1 Data Cache Size 2 x 32 KBytes
    L1 Instructions Cache Size 2 x 32 KBytes
    L2 Unified Cache Size 2 x 256 KBytes
    L3 Unified Cache Size 4096 KBytes
    Core 0
    Core Speed 3200.3 MHz
    Multiplier x 20.0
    Bus Speed 160.0 MHz
    Rated Bus Speed 3520.7 MHz
    Temperature 28 C
    Thread 1
    APIC ID 0
    Thread 2
    APIC ID 1
    Core 1
    Core Speed 3200.3 MHz
    Multiplier x 20.0
    Bus Speed 160.0 MHz
    Rated Bus Speed 3520.7 MHz
    Temperature 31 C
    Thread 1
    APIC ID 4
    Thread 2
    APIC ID 5
    RAM
    Memory slots
    Total memory slots 4
    Used memory slots 2
    Free memory slots 2
    Memory
    Type DDR3
    Size 4096 MBytes
    Channels # Single
    DRAM Frequency 800.2 MHz
    CAS# Latency (CL) 10 clocks
    RAS# to CAS# Delay (tRCD) 11 clocks
    RAS# Precharge (tRP) 11 clocks
    Cycle Time (tRAS) 29 clocks
    Command Rate (CR) 2T
    SPD
    Number Of SPD Modules 2
    Slot #1
    Type DDR3
    Size 2048 MBytes
    Manufacturer G.Skill
    Max Bandwidth PC3-10700 (667 MHz)
    Part Number F3-12800CL9-2GBRL
    SPD Ext. EPP
    XMP--2
    Frequency
    JEDEC #4
    Frequency 685.7 MHz
    CAS# Latency 9.0
    RAS# To CAS# 9
    RAS# Precharge 9
    tRAS 25
    tRC 34
    Voltage 1.500 V
    JEDEC #3
    Frequency 609.5 MHz
    CAS# Latency 8.0
    RAS# To CAS# 8
    RAS# Precharge 8
    tRAS 22
    tRC 31
    Voltage 1.500 V
    JEDEC #2
    Frequency 533.3 MHz
    CAS# Latency 7.0
    RAS# To CAS# 7
    RAS# Precharge 7
    tRAS 20
    tRC 27
    Voltage 1.500 V
    JEDEC #1
    Frequency 457.1 MHz
    CAS# Latency 6.0
    RAS# To CAS# 6
    RAS# Precharge 6
    tRAS 17
    tRC 23
    Voltage 1.500 V
    Slot #2
    Type DDR3
    Size 2048 MBytes
    Manufacturer G.Skill
    Max Bandwidth PC3-10700 (667 MHz)
    Part Number F3-12800CL9-2GBRL
    SPD Ext. EPP
    XMP--2
    Frequency
    JEDEC #4
    Frequency 685.7 MHz
    CAS# Latency 9.0
    RAS# To CAS# 9
    RAS# Precharge 9
    tRAS 25
    tRC 34
    Voltage 1.500 V
    JEDEC #3
    Frequency 609.5 MHz
    CAS# Latency 8.0
    RAS# To CAS# 8
    RAS# Precharge 8
    tRAS 22
    tRC 31
    Voltage 1.500 V
    JEDEC #2
    Frequency 533.3 MHz
    CAS# Latency 7.0
    RAS# To CAS# 7
    RAS# Precharge 7
    tRAS 20
    tRC 27
    Voltage 1.500 V
    JEDEC #1
    Frequency 457.1 MHz
    CAS# Latency 6.0
    RAS# To CAS# 6
    RAS# Precharge 6
    tRAS 17
    tRC 23
    Voltage 1.500 V
    Motherboard
    Manufacturer Gigabyte Technology Co., Ltd.
    Model H55M-UD2H
    Chipset Vendor Intel
    Chipset Model Havendale/Clarkdale Host Bridge
    Chipset Revision 18
    Southbridge Vendor Intel
    Southbridge Model H55
    Southbridge Revision 06
    BIOS
    Brand Award Software International, Inc.
    Version F11
    Date 08/20/2010
    Graphics
    Monitor
    Name LEN L215wA on NVIDIA GeForce GTS 450
    Current Resolution 1600x900 pixels
    Work Resolution 1600x872 pixels
    State enabled, primary, output devices support
    Monitor Width 1600
    Monitor Height 900
    Monitor BPP 32 bits per pixel
    Monitor Frequency 59 Hz
    Device \\.\DISPLAY1\Monitor0
    NVIDIA GeForce GTS 450
    Memory 1024 MB
    Memory type 2
    Driver version 8.17.12.6099

  6. #6
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    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    the ram wont boot if its just installed in the blue slots,it has to be in the white slots only for 4gb and all the slots for 8gb(white and blue)

    you need to look in the bios in the m.i.t section/advanced voltages and manually set dram voltage to 1.5 and qpi/vtt voltage to around 1.30000v,leave everything else as it is

    Last edited by wazza300; 12-14-2010 at 06:40 AM.
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  7. #7
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    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    Thank you for the suggestions, but nothing worked. The ADATA is now in there after going through two different vendors.

    Of note, the system will not boot with RAM in 1 & 3 as per directions (manual & website), but system does boot with RAM in slots 1 & 2.

    Both sets are dual channel, but only show as single channel.

    Here is current settings:


    CPU
    Intel Core i3 540
    Cores 2
    Threads 4
    Name Intel Core i3 540
    Code Name Clarkdale
    Package Socket 1156 LGA
    Technology 32nm
    Specification Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz
    Family 6
    Extended Family 6
    Model 5
    Extended Model 25
    Stepping 5
    Revision K0
    Instructions MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T
    Bus Speed 160.0 MHz
    Rated Bus Speed 3520.6 MHz
    Stock Core Speed 3066 MHz
    Stock Bus Speed 133 MHz
    Average Temperature 32 C
    Caches
    L1 Data Cache Size 2 x 32 KBytes
    L1 Instructions Cache Size 2 x 32 KBytes
    L2 Unified Cache Size 2 x 256 KBytes
    L3 Unified Cache Size 4096 KBytes
    Core 0
    Core Speed 3200.5 MHz
    Multiplier x 20.0
    Bus Speed 160.0 MHz
    Rated Bus Speed 3520.6 MHz
    Temperature 31 C
    Thread 1
    APIC ID 0
    Thread 2
    APIC ID 1
    Core 1
    Core Speed 3200.5 MHz
    Multiplier x 20.0
    Bus Speed 160.0 MHz
    Rated Bus Speed 3520.6 MHz
    Temperature 32 C
    Thread 1
    APIC ID 4
    Thread 2
    APIC ID 5
    RAM
    Memory slots
    Total memory slots 4
    Used memory slots 2
    Free memory slots 2
    Memory
    Type DDR3
    Size 4096 MBytes
    Channels # Single
    DRAM Frequency 800.1 MHz
    CAS# Latency (CL) 9 clocks
    RAS# to CAS# Delay (tRCD) 9 clocks
    RAS# Precharge (tRP) 9 clocks
    Cycle Time (tRAS) 24 clocks
    Command Rate (CR) 2T
    SPD
    Number Of SPD Modules 2
    Slot #1
    Type DDR3
    Size 2048 MBytes
    Manufacturer A-Data Technology
    Max Bandwidth PC3-10700 (667 MHz)
    Part Number DDR3 1600G
    SPD Ext. EPP
    XMP--2
    Frequency
    JEDEC #4
    Frequency 685.7 MHz
    CAS# Latency 9.0
    RAS# To CAS# 9
    RAS# Precharge 9
    tRAS 25
    tRC 34
    Voltage 1.500 V
    JEDEC #3
    Frequency 609.5 MHz
    CAS# Latency 8.0
    RAS# To CAS# 8
    RAS# Precharge 8
    tRAS 22
    tRC 30
    Voltage 1.500 V
    JEDEC #2
    Frequency 533.3 MHz
    CAS# Latency 7.0
    RAS# To CAS# 7
    RAS# Precharge 7
    tRAS 20
    tRC 27
    Voltage 1.500 V
    JEDEC #1
    Frequency 457.1 MHz
    CAS# Latency 6.0
    RAS# To CAS# 6
    RAS# Precharge 6
    tRAS 17
    tRC 23
    Voltage 1.500 V
    Slot #2
    Type DDR3
    Size 2048 MBytes
    Manufacturer A-Data Technology
    Max Bandwidth PC3-10700 (667 MHz)
    Part Number DDR3 1600G
    SPD Ext. EPP
    XMP--2
    Frequency
    JEDEC #4
    Frequency 685.7 MHz
    CAS# Latency 9.0
    RAS# To CAS# 9
    RAS# Precharge 9
    tRAS 25
    tRC 34
    Voltage 1.500 V
    JEDEC #3
    Frequency 609.5 MHz
    CAS# Latency 8.0
    RAS# To CAS# 8
    RAS# Precharge 8
    tRAS 22
    tRC 30
    Voltage 1.500 V
    JEDEC #2
    Frequency 533.3 MHz
    CAS# Latency 7.0
    RAS# To CAS# 7
    RAS# Precharge 7
    tRAS 20
    tRC 27
    Voltage 1.500 V
    JEDEC #1
    Frequency 457.1 MHz
    CAS# Latency 6.0
    RAS# To CAS# 6
    RAS# Precharge 6
    tRAS 17
    tRC 23
    Voltage 1.500 V
    Motherboard
    Manufacturer Gigabyte Technology Co., Ltd.
    Model H55M-UD2H
    Chipset Vendor Intel
    Chipset Model Havendale/Clarkdale Host Bridge
    Chipset Revision 18
    Southbridge Vendor Intel
    Southbridge Model H55
    Southbridge Revision 06
    BIOS
    Brand Award Software International, Inc.
    Version F11
    Date 08/20/2010


    Guess I'll just have to chalk it up to a bad Mobo (since two different types of DDR3 1600 RAM).

    The Mobo & CPU was bundle deal from NewEgg, so expect them to work properly together. Went with the ADATA originally, but when then didn't work, went back and ordered the G-Skill as it was NewEgg's recommended RAM for this Mobo.

    Guess I can try two 4 Gig sticks later on, and try to RMA the G-SKILL.

    Unless you have further recommendations.

    Thank you.

  8. #8
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    ahh so only one ram slot is working?? test each stick in the first white ram slot from cpu socket,then reapet the test on the other white ram slot,it will boot into windows if its working

    if its not a faulty ram module,then it could be a bent cpu socket pin,be carefull when checking not to damage anything but check to see if any cpu socket pins are bent,that will cause you to lose ram
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  9. #9
    Join Date
    Dec 2010
    Location
    USA
    Posts
    6

    Default Re: GA-H55M-UD2H won't accept 8 GIGs of RAM

    Again, thank you for the suggestions.

    I did run all 8 sticks through the process to ensure they weren't bad. They all work.

    Individually, and in RAM slots 1 & 2. But nothing will allow all 4 sticks to run in slots 1 through 4.

    There are no pins per-say on the CPU. They are the flat copper nodules that mesh up against the flat modules of the CPU socket. The chip is seated properly with proper thermal grease & a good Miscool heatsink & fan.

    Not sure what else to attempt other then a Mobo replacement, but the time it takes to RMA is unacceptable as can't afford to have the system down for the time it takes to send the board back and a replacement sent back out (estimate about 30-40 days).
    Working with vendor to see if they'll send replacement board first then return current one, which I believe is defective with RAM slot 3.

    Thanks again.

  10. #10
    Join Date
    Dec 2010
    Location
    USA
    Posts
    6

    Default Update

    Finally after weeks of emails with Gigabyte & Newegg, got a replacement Mobo.

    Everything fired up perfectly with replacement board.

    Board auto-detected RAM.

    In the end it was a bad Mobo.

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