Sabertooth RAM

I recently bought 2X2GB of kingston hyperX H20 2133 to go on my rig
which already has a pair of kingston 2X2GB hyper X genesis 2133
The thing is It wont boot
so i tried booting it with on stick at a time to see if any of them are broken and they all work fine.
I after a couple of tries I got my system to boot
By leaving the last slot empty.
I was wondering how I can use all four slots and all four sticks

CPU: core i52400
mother board: asus sabertooth p67
RAM: 2X2GB kingston hyper X genesis 2133
7 answers Last reply Best Answer
More about sabertooth
  1. boot to bios with one stick
    bump your ram voltages
    save and turn off
    put all the ram sticks in
  2. Best answer
    Welcome to Tom's Forum! :)

    HyperX Genesis 4GB 2133MHz - KHX2133C9AD3X2K2/4GX -
    Kingston HyperX H2O 4GB 2133Mhz - KHX2133C9AD3W1K2/4GX -

    DDR3-2133 9-11-9-27-2N @ 1.65v | DDR3-1600/1333 9-9-9-27-2N @ 1.5 - KHX2133C9AD3X2K2/4GX
    DDR3-2133 9-11-9-27-2N @ 1.65v | DDR3-1600/1333 9-9-9-27-2N @ 1.5 - KHX2133C9AD3W1K2/4GX (2 XMP Profiles)

    First, mix-match two (2) sets and especially at that Rated frequency 9.9/10 won't happen and for the 0.1/10 at voltages that are CrAzY.

    CPU: | Genesis | H20 | Genesis | H20 |

    Clear CMOS:
    Procedure, unplug the PSU for 5 minutes, using the 'Jumper' menthod follow the directions in this video -

    Boot into the BIOS and press (F5) to Load Optimized Defaults, and set the other BIOS tweaks needed i.e. SATA -> AHCI (if you used AHCI before), etc.

    IF the PC successfully posts and boots into Windows now then look at the Resource Manager for any excessive 'Hardware Reserved' i.e. >2048MB. See ->

    Let me know if that fixes the missing RAM, if it does then I'd manually set the RAM at DDR3-1600 9-9-9-27-2N @ 1.5v~1.55v and a VCCIO of 1.15v~1.20v.
  3. looks like your going to have to get bigger ram sticks if you want to run at that over clocked speed. looking at the qul list for your mb there very few 2100 dimms that will run with all 4 slots filled. i would call kingston and swap them out for 4 dimms that are slower but will run in your mb.
  4. I have that same motherboard, and also had an issue when trying to use all four slots. Works great with 2x4GB, added another two and it was BSOD galore. Ended up using just two of them.
  5. wow it it works
    hahahahah thanks man
    Hardware reserved is 24 MB :P
    2133 is too much to handle?
  6. Best answer selected by cooled.
  7. aww
    maybe you should try what jaquith said
    after you reverted to only using 2 sticks your OS was back to normal right?
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