4.8ghz on 3770k

8 Pack said:
Devrij unrelated to the thread do you live in Slaithwaite in Yorkshire??
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I do indeed. Are you familiar with Slawit?

How useful is BLK overclocking? I can see how it would be useful for fine tuning, but why would I use it over multiplier overclocking? Are the bandwidth benefits that worthwhile?
 
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Well ram goes up and so does PCI-E bandwidth.For me it just seemed my CPU liked it more than multi as it was just wanted more and more volts.Ive cut those volts down and boosted my ram,clock and Gflops by a tiny margin but more important its cooler.

I should have started with 105 BLCK :/ Wonder if it will effect my PCI-E network card.Overall is it deffo more flexible than multiplier only.
 
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Sounds like I'll have to give this BLK clocking a go! I've got my 1333MHz Geil dragon at 1600MHz with stock timings, so we'll see if it'll go to 1680MHz and then I can play with the multi on my chip. My missus is away next week so I'll have lots of free time to geek out :D

I think I'll give 103blck a go to get me to 4.74GHz and see how it compares to an extra multi volts/heat-wise

If you're ever passing through the village, 8pack, bring that cascade unit round will ye? :p
 
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Devrij said:
Sounds like I'll have to give this BLK clocking a go! I've got my 1333MHz Geil dragon at 1600MHz with stock timings, so we'll see if it'll go to 1680MHz and then I can play with the multi on my chip. My missus is away next week so I'll have lots of free time to geek out :D

If you're ever passing through the village, 8pack, bring that cascade unit round will ye? :p
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Too heavy bud!!! But you can come bench with me if you want. I live in Hudders.

Drop teh multi and raise BLK to keep roughly similar core speeds. Be aware BLK clocking effects memory bus also. You may need to adjust settings / add VDRAM to get em stable.
 
8 Pack said:
Too heavy bud!!! But you can come bench with me if you want. I live in Hudders.

Drop teh multi and raise BLK to keep roughly similar core speeds. Be aware BLK clocking effects memory bus also. You may need to adjust settings / add VDRAM to get em stable.
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No way! I think that makes 3 OcUKers in the Hudds area then. I thought you worked down at the HQ?

I figure the RAM will go a smidgen further as I haven't pushed it very hard yet (I had to add a touch of volts to get it stable at 1600MHz), but if not I can always drop down to the stock DRAM divider since I now know it can do 1600MHz with stock CAS9 primaries (I have no idea what the seconds and thirds do so I left them on auto).

Hopefully that'll get me to 4.7GHz without as big an increase in volts or temps. I have to leave a bit of headroom on temps for dust build-up etc. because I'm a bit lazy when it comes to cleaning it.
 
I do work at HQ and all over the country infact but I am from Huddersfield and bench in Huddersfield at weekends.

Wow you keep chips long enough for dust to build up?? or do you mean Ice on the Cold???
 
Hi there 8 pack, I'm aiming for 4.8ghz too. After de-lidding and applying liquid pro to the IHS, I'm currently on 4.5ghz, 1.275 vcore, 1.0625 VCCSA and getting temperatures of around 70 under load. Currently have turbo disabled, and LLC set to 75%.

Do you think I'll be able to do it? I would have made my own thread but seen as one of my others got merged in the other section I assume I should post this here.

Many thanks in advance for any help you can give :)
 
Ok,

Something strange has happened, it happened b4 and the only way I could fix it was to re-flash my bios.
I tried using blk to overclock and when i reboot it i got a blue screen and then messed up my OC profiles. When I tried to load other profiles (like 4.6) it just loaded a 4.5 profile.

Also, My ram used to say for XMP and in the ram timings 9-9-9-24-2

Now for some reason, it says 10-10-10-27-2.... weird
Were my 4x 4gb sticks better to have at 9-9-9-24-2 than this?
Maybe because the profile saved at 9-9-9-24 for the 4gb sticks, it kept those timings and when i put the 8gb sticks in, the system crashed because the 8gb sticks couldnt hack those timings?

could it be that the 8GB sticks are these timings?

strange things are a foot..

update....
blue screen when i tried to overclock with blk. saffire.sys crashed. which is my audio interface. Its a firewire interface which is connected to a PCI slot. The device must not like its bus overclocked.
 
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If the profile is for 24gb then you will need to retrain the IMC for 2 x 8gb yes. Also your profile will not be valid.

Check the timings of the 8gb sticks by taking one out and looking at the sticks it normally tells you them there. If your on about after a bios reset then yes the timings will be set slack to assure they boot.

Enable XMP and get your CPU clock back. Then reset bios again and work on tuning the dimms with no cpu clock. Then bring the two together.
 
Ive reconfigured my 4.6ghz oc with the new timings on ram 10-10-10-27-1
Seems to be stable again,
what about the blk clocking and my pci firewire device crashing? how do i get around that?
 
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