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-   -   Crosshair IV HTT problem (https://www.madshrimps.be/vbulletin/f10/crosshair-iv-htt-problem-74484/)

Teemto 3rd September 2010 14:03

Crosshair IV HTT problem
 
Hi guys,

I'm currently maxed out at 275MHz HTT on my crosshair.
Tried playing around with CPU/NB, HT, NB, SB voltages but the damn thing doesn't want to boot at a higher clock. Tried 14x300 but no boot. CPU (1090T BE) runs perfectly on 21,5x200. Kept my RAM at 1600.

I'm seeing lots of guys that have no problem running at 300MHz some even 350MHz.
Any idea what I'm missing?

My cheap Gigabyte MA785G-UD2H has no problem to run 3DMark01 at 317MHz (with 555BE). You'd think that a high end mobo would be able to do better???

Gamer 3rd September 2010 20:20

Leeghoofd is the AMD guy, ask him.

leeghoofd 7th September 2010 13:50

I'll try it tonite mate, I maxed over 350 on the 965BE, but Thuban has been wicked... but there are 400HTT on the web... ( though under cold ofcourse )

Too baed I'm on the 1005 bios already for testing, I can't revert back... keep you posted

Teemto 7th September 2010 14:26

ok, thx.

leeghoofd 7th September 2010 21:05



this with the Corsair Dominators PC12800C8, will try the Flares next ( as these Corsairs OC zero jack stront)

leeghoofd 7th September 2010 21:26



Max bootable from bios... think with some ludicrous voltages and improved CPU/Chipset cooling that 350 is doable for sure... hope the TurboV screenie helps man... otherwise pm or grampsjr10@hotmail.com

Teemto 7th September 2010 23:15

Just tried your exact same settings an no boot.:no:
You think it's a board issue or rather the 1090T?

leeghoofd 8th September 2010 00:04

go slowly, if possible post some piccies of ya bios screens... Hows ya NB/SB temp ?

Teemto 8th September 2010 09:26

I'm going to try those new settings tonight. I'll also have a look at the NB temp.
I'll check NB heatsink fixation if the temps are too high. Maybe the contact isn't good.

Still strange that 335 is the max for a 'high end board'.

My Gigabyte 785GMT-UD2H can do max 340 (good enough for a CPU-Z shot), and I wouldn't exactly call that a high end board.
All it has is a tiny passive NB heatsink (put a 120mm fan on it to get some airflow over it).

If I can't get this thing up to at least 300 then it'll be the last high end ASUS board for me.

leeghoofd 8th September 2010 10:15

Like I said my board is able to do 335 from bios under air... with cold it will be prolly higher. Secondly these are quite safe chipset volts I used. In comparison the 965 BE booted straight into windows at 350...

Clocking Thuban is quite harder for the boards... 1090T gets high via the multie. The 1055T you need higher HT clocks... Take a look at the Bot, most top at 360-365 with the Thuban under cold... 300 though should be a no brainer...

In fact I don't even want to know what voltages the 400HT clocks took to get the CPU-Z validation...

This board is very flexible, but if you have bad one , you have a bad one...

Post the bios screens so we can have a closer look plz...

Teemto 8th September 2010 22:21

Pics are on their way:)
Thx for the assistance.

leeghoofd 8th September 2010 23:20



Voltages are all over the place man; which bios ? I'm on 1005 now for evaluation...



My boards have always had the tendency to overvolt...

Teemto 8th September 2010 23:39

LoL, that's because it's a picture before I saved the bios. After I save it and exit I get a no boot. Hence the weird values.

On my normal settings he also tends to overvolt a bit but otherwise rather stable.

VCPU : +0.015V but no fluctuation
VRAM : +0.005V but no fluctuation
VCPU/NB : fluctuates from +0.003 to +0.023
VNB : fluctuates from +0.000 to -0.006

Which one is the OVP setting you're refering to?

I'll try the suggestion with 1 card. --> just tested that: no change still a no boot.

Currently using Bios 0905

leeghoofd 8th September 2010 23:59

lol, I thought it never got into windows :p

Could be the strain on the PCI-E slots from the videocards that holds ya back...or a ram incompatability

Teemto 9th September 2010 08:19

As I tried with one card and still no go, I doubt it's the PCI-E slot strain.
RAM should also not be an issue? I've tried with the RAM set all the way down to 1333 and same problem.
I'm using the same RAM on the 785G and that one runs CPU-Z at 340MHz (with the RAM divider at 5,33).

I'll check the NB heatsink fitting to see if that's the problem.
If it's not that I'll flash to Bios 1005 and hope that helps.

leeghoofd 9th September 2010 09:28

RAMS are running at 1.9Volts... according Chew, Thubans IMC don't like High Voltage Dimms ( this opinion is not from me ) But the Crosshair IV absolute hates my CSX Diabolo sticks (they run 2000CL7 on Intel , but barely 1600C7 on the CH IV...

Where do you live ? Otherwise pop around for a a quick try with the Flare/Corsair kit

Teemto 9th September 2010 09:36

Ok that makes sense.
(I'm using Patriot Vipers and they need 1,9V in order to run at 1600-7-7-7-20-1T, they're not the best out there but it's what I could afford :) ).

That would be great if I could run a quick test with the Flares.
I'm from Duffel.

leeghoofd 9th September 2010 09:38

Yes they have to go to another reviewer soon ( I asked Gskill to be able to test them on the Intel 1156 platform...) PM ya Cellphone Pascal plz... will be for end of next week...

Teemto 12th September 2010 01:17

It was the RAM voltage:woot:
Reduced the it to 1200 so I only needed 1.7V and it ran at 300MHz HTT.
Max I could get was 310 as that makes the ram run at 1240 with 1.725V.
As I'm at my lowest divider and as it won't take more than 1.725V I'm stuck again.

So another lesson learned.

Can't wait to see what the Flares will do. :ws:


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