Question about EPoX EP-9NPA+ SLi Motherboard

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Cant run dual channel.

Why cant I run in dual channel mode with amd 4400+ x2 ? The RAM ran in dual ch. mode with 3800+ x2, why not with the 4400+ ?

Epox EP-9npa+ sli
2x1gb Ocz Platinum
Bfg 8800GTS 512
Amd 4400+ x2 Toledo
2x WD 250gb Raid 0
bios version 6.00pg
Apeiva 550w PS

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  • CYBERJ Mar 23, 2008

    I'm sorry I forgot to mention EPoX customer support is ****. Even though I thought I was good, I did as you instructed but in-fact I do have the most updated chip set drivers and bios. I would like to mention your willingness to help and support is outstanding. What is going on is I cant even get it to post when ram is in dual channel config. with the 4400 x2 just beeps & error code C1 I have tried all possible configurations, it will only boot in single chan. But seems to run OK ( 8450 3D Marks @ 2.6 ghz single chan.) I put the 3800 X2 back in and runs fine in dual channel (8230 3D Marks @ 2.4 ghz dual chan.) Also the 4400 x2 runs dual chan. fine in my wifes HP, WTF?? All I can think of is that either the board or bios dosent support the 4400, I just cant figure out why....grrr...lol

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You can update your chipst nVIDIA nForce4 SLi.
This is not a easy task. It requires you to download the proper drivers. nForce will do this for you by checking your current system. Click this link to nForce:
http://www.nvidia.com/Download/index.aspx?lang=en-us

Do not update your system by doing an install. You will have to remove the current nForce devices manually through device manager. (DO NOT restart your PC untill you have replaced the nForce drivers with updated nForce software).
If you do, you'll find your going to have to do a complete reinstall of windows & you will loose your current data.
Updating your ssocket 939 will run better. Your dual channel should post after update. It was a waste searching EPoX for faq's. Couldn't even download their/your manual. Please read recommended files to help with the update, these are worth every minute. (I learned the hard way).

Good Luck & Kind Regards.
& please vote.



Posted on Mar 19, 2008

  • Mike Peluso
    Mike Peluso Mar 19, 2008

    After a couple restarts check your windows for updates.

  • Mike Peluso
    Mike Peluso Mar 24, 2008

    CYBERJ, if your still haveing trouble try testing your memory. Download
    ** Memtest86+ V2.01 (21/02/2008) **



    http://www.memtest.org/

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The manual for your motherboard states:

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Good luck

Rate the solution if got help

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1 Answer

Type of ram


ASUS A8N-SLI Premium Specifications
CPU: Socket 939 for AMD Athlon 64FX / Athlon 64 /Sempron / Athlon 64 X2
Chipset: NVIDIA nForce4 SLI
Front Side Bus: 2000/1600 MT/s
Memory: 4 x DIMM, max. 4GB, DDR 400/333/266, ECC, non-ECC, un-buffered memory, Dual Channel Architecture.
Expansion Slots:
2 x PCI-E x16
- SLI mode: x8, x8
- Default (single VGA): x16, x1
1 * PCI-E x 1/ 1*PCI-E x 4(x2 mode)
3 x PCI
Storage/RAID: nForce4: 4 x SATA 3Gb/s
NVRAID: RAID0, RAID1, RAID0+1 and JOBD span cross SATA and PATA
2 x UltraDMA 133/100
Silicon Image 3114R RAID controller
4x SATA with RAID0, 1, 10, 5
Audio: Realtek ALC850, 8-ch High-Definition Audio CODEC
LAN: nForce4 built-in Gbit MAC with external Marvell PHY MARVELL PCI Gbit LAN controller

or see this site:
http://www.ngohq.com/home.php?page=articles&go=read&arc_id=34


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