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Asus z68 extreme3 RAM problem (G.Skill RipjawsX)

Last response: in Motherboards
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March 17, 2012 8:27:20 PM

I've upgraded my rig today with a :

- ASRock Z68 Extreme3 Gen3 (mobo)
- Intel i5-2400K boxed (cpu)
- 16Gb (4x4) G.Skill RipjawsX CL9-9-9-24 (Ram)


It seems the cpu works fine.

There are 4 Dimm slots on the Mobo : DDR3_A1, DDR3_A2, DDR3_B1 and DDR3_B2. (from left to right)

If I put all the Ram in nothing happens, the computer seems to boot, but nothings coming up on the screen.

When I put none of the Ram in the slots, the computer boots.
When I do this with a single Ram in slot 1 (DDR3_A1 ) it boots fine too. (I tried this for every single Ram so RAM should be OK)
the same thing goes for DDR3_A2

If I try to put something in DDR3_B1 or DDR3_B2 the computer won't boot (no matter in wich set-up)
(the manual says to put the ram in slots DDR3_A1,DDR3_B1 when you want dual-channel)

The only way the computer boots now (with maximum possible Ram) is when I put it in DDR3_A1, DDR3_A2.


The things I tried sofar :
- looking for an answer on the internet, some problems came close or looked the same , but no solutions.
- checked the mobo for bent pins , everything seems ok.
- refitted cpu.
- reconnected all wiring.
- upped the DRAM voltage to 1.6.
- restored BIOS to default

Am I overlooking something or did I get 2 dead DIMM slots?
Anyone had a similar or the same experience? help would be appreciated.

thanx in advance,

Wes
April 16, 2012 11:13:55 PM

groundzero_01 said:
I've upgraded my rig today with a :

- ASRock Z68 Extreme3 Gen3 (mobo)
- Intel i5-2400K boxed (cpu)
- 16Gb (4x4) G.Skill RipjawsX CL9-9-9-24 (Ram)


It seems the cpu works fine.

There are 4 Dimm slots on the Mobo : DDR3_A1, DDR3_A2, DDR3_B1 and DDR3_B2. (from left to right)

If I put all the Ram in nothing happens, the computer seems to boot, but nothings coming up on the screen.

When I put none of the Ram in the slots, the computer boots.
When I do this with a single Ram in slot 1 (DDR3_A1 ) it boots fine too. (I tried this for every single Ram so RAM should be OK)
the same thing goes for DDR3_A2

If I try to put something in DDR3_B1 or DDR3_B2 the computer won't boot (no matter in wich set-up)
(the manual says to put the ram in slots DDR3_A1,DDR3_B1 when you want dual-channel)

The only way the computer boots now (with maximum possible Ram) is when I put it in DDR3_A1, DDR3_A2.


The things I tried sofar :
- looking for an answer on the internet, some problems came close or looked the same , but no solutions.
- checked the mobo for bent pins , everything seems ok.
- refitted cpu.
- reconnected all wiring.
- upped the DRAM voltage to 1.6.
- restored BIOS to default

Am I overlooking something or did I get 2 dead DIMM slots?
Anyone had a similar or the same experience? help would be appreciated.

thanx in advance,

Wes



I'm having the exact same issue. As of this moment, I can put 2 modules in a1 & a2 but if anything is in either b slot, it boots to a blank screen. I ordered new modules, same thing. It's not the memory modules. I'm left wondering if it's a mb issue or maybe there's a setting in BIOS I need to check?
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