The Z77 Sabertooth Club.
- Thread starter xxShinobixx
- Start date
Soldato
With a single module it shouldn't matter which slot but try A1 which should be the one nearest the CPU socket. Try each module in that slot and then in slot B1. It will require Ram to boot so using none won't yield any results.
I'd remove the power cord and switch the CMOS jumper to clear for 5 minutes, just to make sure it is clearing properly. The obvious suggestion here would be to remove the CMOS battery but the shield makes that difficult, it is below the first PCI-E slot and would require the shield to be removed as far as I'm aware.
If that doesn't work it would pay to try the "Asus CrashFree BIOS 3 utility" the instructions can be found on page 3-46 of the manual.
I'd remove the power cord and switch the CMOS jumper to clear for 5 minutes, just to make sure it is clearing properly. The obvious suggestion here would be to remove the CMOS battery but the shield makes that difficult, it is below the first PCI-E slot and would require the shield to be removed as far as I'm aware.
If that doesn't work it would pay to try the "Asus CrashFree BIOS 3 utility" the instructions can be found on page 3-46 of the manual.
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Associate
No such problem like that with my bios. Tested by dropping my multi from 4.7 down to 4.4 and raised it back to 4.7 testing and booting each 100mhz increase along the way. No issues. Bios 1805.
Soldato
It should be automatic, although I've never used it. What CPU do you have?
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Nevermind. Managed to fix it. Turns out I wasn't putting the Ram in the whole way
Got it booted and working again. Absolutely flying again: even with my SSD pre-update it was starting to slow down, now it's like new again.
Soldato
Glad to hear it! 
Associate
Hey peeps Got a question for you
I got the ST z77 mobo and need to clarify ONE question. I am running the 3570k with 16gig of 2133 ram rated at 1.5 to 1.65v and to get it to hit the full speed I need the full 1.65v, My question is this IF it is bad to run 1.65v ram on this board with the ivy bridge CPU then WHY does the specs list on the Asus website state that 1.65v ram modules are compatible.
I HAVE ordered two sets of GeIL EVO Leggera 8GB (2x4gig) kits that state 1.5v and will swap for them tomorrow but I would still like to know why they state 1.65 on the QV list on asus site.
EDIT: the new ram was 1.65v to so is on way back to OCUK as it stated on there site it was 1.5
I got the ST z77 mobo and need to clarify ONE question. I am running the 3570k with 16gig of 2133 ram rated at 1.5 to 1.65v and to get it to hit the full speed I need the full 1.65v, My question is this IF it is bad to run 1.65v ram on this board with the ivy bridge CPU then WHY does the specs list on the Asus website state that 1.65v ram modules are compatible.
I HAVE ordered two sets of GeIL EVO Leggera 8GB (2x4gig) kits that state 1.5v and will swap for them tomorrow but I would still like to know why they state 1.65 on the QV list on asus site.
EDIT: the new ram was 1.65v to so is on way back to OCUK as it stated on there site it was 1.5
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Associate
I'd like to know the same thing. This is first I've heard of only running ram at 1.5v on this board. Mines been at 1.65v since the day I built machine about 4 months ago. It's the only way I can run it at 1866mhz, 9-9-9-24-1T. I've tried running it at 1600mhz and 1333mhz, with tighter timings at 1.5v and they all benchmark slower. Haven't had no issues and it runs the best at 1.65v.
Also, anyone try the newest bios released yesterday?
Also, anyone try the newest bios released yesterday?
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Associate
Did not even know one was out lol, Just downloaded it and will flash later.
I got my AVEXIR Blitz ram installed still @1600mhz with 1.5v at 10,10,10,27 and all seems fine but the rated speed is 2133mhz @ 1.65v with 9,11,10,27 which is what I WAS running it at but after reading all I read I have lowered it.
I got my AVEXIR Blitz ram installed still @1600mhz with 1.5v at 10,10,10,27 and all seems fine but the rated speed is 2133mhz @ 1.65v with 9,11,10,27 which is what I WAS running it at but after reading all I read I have lowered it.
Permabanned
Soldato
Thanks for the heads up! Seems they haven't updated the CPU support list though, anyone know what the new CPUs will be?
Associate
I've searched several places trying to find info about why it's recommended to use 1.5volts and not above for memory. Anyone help me out here.
Since first hearing this thou I was able to keep my current 1866mhz 9-9-9-24-1T setting at 1.5v instead if 1.65v like says on memory sticks and all test stable.
Since first hearing this thou I was able to keep my current 1866mhz 9-9-9-24-1T setting at 1.5v instead if 1.65v like says on memory sticks and all test stable.
Soldato
It was Intels recommendation on Sandy Bridge CPUs, more for longevity than anything else. I expect it was to do with the fact the onboard memory controller was made on a smaller process than before so they were concerned about the higher voltages. Like you've found out most sets rated for 1.65v will do the same speed and timings at 1.5v anyways.
It is also worth noting that the memory controller on Ivy Bridge processors is supposed to be more robust than Sandy Bridge.
It is also worth noting that the memory controller on Ivy Bridge processors is supposed to be more robust than Sandy Bridge.
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Associate
My Avexir wont 
, It will only do 1.65v at anything above 1600mhz at the rated timings.
suppose if I loosen the timings enough it might but there is no point as that would cause serious performance issues. anyhow I will run them at 1600mhz for now and be happy with the timings I have.
My next job is to replace the TIM in the 3570k as I get idle temps of around 19,20,32,29
, It will only do 1.65v at anything above 1600mhz at the rated timings. suppose if I loosen the timings enough it might but there is no point as that would cause serious performance issues. anyhow I will run them at 1600mhz for now and be happy with the timings I have.
My next job is to replace the TIM in the 3570k as I get idle temps of around 19,20,32,29
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Soldato
You'll have trouble seeing the difference with memory timings in sythentic benchmarks let alone in real world usage. I wouldn't worry about it too much regardless. Never seen a confirmed case of a dead CPU from 1.65v Ram voltage.
Associate
My Avexir wont
suppose if I loosen the timings enough it might but there is no point as that would cause serious performance issues. anyhow I will run them at 1600mhz for now and be happy with the timings I have.
My next job is to replace the TIM in the 3570k as I get idle temps of around 19,20,32,29
Yea I replaced the TIM on my 3570k also but seen very little improvement from doing it. Right about 2 degrees difference per core idle and load. Really didn't have a temp issue prior, but cooler is always better. Current idle temps (cpu at [email protected]) are 30, 24, 25, 27c per core with a XSPC Raystorm water block and 2x120mm rad with fans setup push and pull. Room ambient at 25c.
Associate
Any thoughts on new bios. Anyone try it and notice and improvements?