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Thread: Memory will not Post/boot in dual channel config




  1. #11
    Join Date
    Jan 2009
    Posts
    9

    Default Re: Memory will not Post/boot in dual channel config

    Ok...long day of memory abuse. I beat these sticks down all day with memtest and anything else I could find...not one error all day.


    I have been trying a bunch of different combinations of settings and finally have it, well kinda working. SpeedEuphoria good call on turning it down to 800mhz. As soon as I manually set everything to expect 800, not 1066, things booted right up. Which make sense now seeing how they worked fine in all the lower end machines I tested them with.

    Settings:

    Driving strength : 800
    Static tRead: 9
    MCH Core : 1.24
    Latch: 266
    Divider: set for 800
    Dram volts: 2.1

    Lsdmeasap I could not find tRD...



    Now that I can boot, I need to work on how to get these puppies working at 1066 like they are supposed to, and memtest'um again. Suggestions?
    Attached Images Attached Images Memory will not Post/boot in dual channel config-memoryscreenshot4-jpg 
    Last edited by Black_Talon; 01-07-2009 at 11:38 AM.
    Motherboard - Gigabyte GA-EP45-UD3R
    Processor - Q6600
    Memory - Dominator 4Gb (2x2) PC2-8500
    Video Card -
    GeForce 8800 GTS OC
    Hard Drive -
    Seagate SATA 1Tb 7200rpm
    Optical Drive -
    LG Blueray super multi
    Power Supply
    - BFG 650w GS
    Case - Antec 1200
    Sound Card
    - Creative Gamer X-fi
    Monitor
    - Dell 22in
    OS -
    VistaBusiness 64 bit

  2. #12
    Join Date
    Jan 2009
    Posts
    9

    Default Re: Memory will not Post/boot in dual channel config

    I also found this on the Corsair site:

    Testing parameters for Twinx/XMS2-8500/C5D:
    Twin2x2048-8500C5D Data Sheet
    Twin2x4096-8500C5DF Data Sheet
    Memory Voltage 2.2 Volts Version 1.x and 2.15 Volts for version 2.x.
    Motherboard make and model: Asus P5B or M2N32-SLI Premium/Deluxe Only!
    Each pair is tested and packaged together using the following settings:
    AI Over Clock Tuner: Manual
    OC Operation: Disabled
    NOS Operation: Disabled
    CPU External Frequency: Manually set to 268 MHz
    PCI CLK1: Auto
    PCI CLK2: Auto
    DDR2 Voltage control: 2.20V Ver 1.x (2.1 Volts for 2.X)
    CPU Core Voltage: Auto
    CPU Multiplier: 10
    DDR2 SDRAM Clock: Manually set to 800MHz
    DRAM Timing Selectable: Manual
    SDRAM CAS Latency: 5T
    SDRAM RAS to CAS Delay (tRCD): 5T
    SDRAM Row Precharge (tRP): 5T
    SDRAM Active to Precharge Delay (tRAS): 15T
    SDRAM Write Recovery Time: 5
    1T/2T: 2T
    A1 Clock Skew: Auto
    ADVANCED Voltage Control:
    CPU Vcore offset:-Disabled
    DDR2 Termination:-0.5X
    CPU to NB HT:_____1.200V
    NB to SB HT:______Auto
    NB Core/PCI-E:____Auto
    SB Core/PCI-E:____Auto
    SB Standby core:__+1.500V
    All other settings are motherboard defaults.
    Maximum DDR2 recommended VDIMM: 2.2 Volts for Rev 1.x and 2.1 Volts for Ver. 2.X
    Motherboard - Gigabyte GA-EP45-UD3R
    Processor - Q6600
    Memory - Dominator 4Gb (2x2) PC2-8500
    Video Card -
    GeForce 8800 GTS OC
    Hard Drive -
    Seagate SATA 1Tb 7200rpm
    Optical Drive -
    LG Blueray super multi
    Power Supply
    - BFG 650w GS
    Case - Antec 1200
    Sound Card
    - Creative Gamer X-fi
    Monitor
    - Dell 22in
    OS -
    VistaBusiness 64 bit

  3. #13
    Join Date
    Jan 2009
    Posts
    9

    Default Re: Memory will not Post/boot in dual channel config

    I have been playing around with the settings and can not get this sticks running at more than 900mhz using 1066mhz driving profile.

    Anything that even hints at 1066 using both sticks, the whole thing comes to a halt.


    If I only use one stick, I can get it running stable at 1066, with a mild OC 2.88 (9x320). As soon as I try to go for both, it completely fails...in fact one time I had to boot from a usb to flash the Bios to save it. Still quite frustrating, and I am not sure if I would recommend this Ram/mobo combo to anyone. The thing that is holding back my OC is the ram, that is supposed to be made for OC'ing! You can save some money and just get 800 not 1066...


    Am I missing something, or a setting that could help with running both sticks at the advertised speed, and do it stable?
    Last edited by Black_Talon; 01-08-2009 at 11:13 AM.
    Motherboard - Gigabyte GA-EP45-UD3R
    Processor - Q6600
    Memory - Dominator 4Gb (2x2) PC2-8500
    Video Card -
    GeForce 8800 GTS OC
    Hard Drive -
    Seagate SATA 1Tb 7200rpm
    Optical Drive -
    LG Blueray super multi
    Power Supply
    - BFG 650w GS
    Case - Antec 1200
    Sound Card
    - Creative Gamer X-fi
    Monitor
    - Dell 22in
    OS -
    VistaBusiness 64 bit

  4. #14
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    Location
    PCB Island
    Posts
    25,940

    Default Re: Memory will not Post/boot in dual channel config

    tRD is Performance Level (Static tRead in your BIOS)

    What Strap are you trying to use? Try the D strap

    I'd have to see your full settings again with as far as you have gotten to advise, but they may just not be a stable combination? That ram may just not like that board. The board for sure will do 1066 as it has been breaking world DDR records at 1600Mhz >>>
    GIGABYTE--Challenge Dual Channel DDR2 1508MHz Record--Main Page

    GIGABYTE--Challenge Dual Channel DDR2 1508MHz Record--Record Breakers

  5. #15
    Join Date
    Jan 2009
    Posts
    84

    Default Re: Memory will not Post/boot in dual channel config

    This is the same issue I am having with my board as well. I am using GSkill Pi 8800s, GSkill Black Pi 6400s, and some Crucial Ballistixs to test.
    Gaming rig:
    XP Sp3
    Gigabyte EP45-UD3R bios F7a beta rev 1.0
    Q9550 GO OC'd 4ghz(471x8.5) with tuniq tower
    1 stick 2gigs G-Skill PI 8800s b/c this damn board won't run both sticks
    eVGA 8800Ultra Vanilla w/backplate--650core/1127mem/1654shader
    (1)500gig seagate 7200.10 main storage
    (2)320gig seagate 7200.10 sata extra storage
    lite on 20x dvd-burner sata
    corsair hx520 psu
    antec 900 case

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