8 Packs 4ghz 32m Challenge win full Haswell 4770K Bundle.

No idea how to get lower tbh, 8m 9s seems to be my knowledge limit. Samsung green at 2133mhz, 9-10-10-21, 1.575v. Bit wary on whats safe to put through em voltage wise, could cool them with an antec spotcool directed straight at them.

Regarding the x58 users, id loved to have tried this with my 2nd rig. i7 930, but i think my reaper ram kit is borked. Was a nice 1600mhz 7-7-7-24 kit.
 
setter said:
No idea how to get lower tbh, 8m 9s seems to be my knowledge limit. Samsung green at 2133mhz, 9-10-10-21, 1.575v. Bit wary on whats safe to put through em voltage wise, could cool them with an antec spotcool directed straight at them.

Regarding the x58 users, id loved to have tried this with my 2nd rig. i7 930, but i think my reaper ram kit is borked. Was a nice 1600mhz 7-7-7-24 kit.
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you can use upto 1.7v even more,they don't get hot either,i tend to use around 1.65v anything more than that and too tight a timing simply won't boot,you can certainly lower 21 to 19 maybe 18

heres what I got on sandybridge

ebamfm.jpg

should be able to do those timings on ib
 
If it has not already been said, go into msconfig and check the diagnostic boot box and reboot, this will only load the bare minimum, so no net, nothing. But you can run superpi and grab a screen, this will shave a bit more off.
As a referance i could get my Pi's upto 1.82v with no cooling needed. These were awesome sticks, 8Pack has a set that will do 2600-2650 @ cas 6!!
 
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PCZ said:
XP32 with RAM at 2600.
A few seconds faster :)

http://itsoapbox.com/images/sp4000xp.png

Now I just need to shave off another 3 Seconds to hit the 40's, well I can wish
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Nice result PCZ :) is that the TeamGroup RAM that is on offer or the more expensive set? - I have some 2400 waiting for the weekend :D

Spent yesterday evening tweaking my BCLK with loose timings on the Samsung Green.... think the secret here might be a higher BCLK and lower CPU ratio to push the RAM as far as possible.
 
So I thought I'd give this a go, running GSkill Ripjaws X rated XMP of 1600 8-8-8-24. I managed to tighten a few of the timings and get CR1T, but even with loose timings and 1.65v haven't managed to get these to boot at anything past 1600. I'll have another look during the weekend.

1600-8-8-8-24_zps17cec150.jpg
 
Generally speaking 1600 kits are poor clockers, exceptions being Samsung greens & the more exotic cl6/7 kits.
 
Kei said:
Do you guys reckon my older corsair dominator 2GB 1.8V modules will be able to outperform the kingstons?
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To answer my own question, nope they perform virtually identically to the kingston kit. (slightly worse) I tried dual vs single channel and tried running superpi via a ram disk, none of which has yielded an improvement.

To make any improvement on my score, I'd need some new ram as i either need to increase the frequency or tighten the timings. (neither of which i can do at present) I think the IMC on the denb phenom II's isn't able to handle frequencies above 1600mhz well. To make a proper improvement on my score i'd need a new cpu too. (from other efficiency threads @ 4GHz, the best i've seen from a 955 is around 16m 40)
 
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Just tried installing xp using an old dell installation cd I've had for many years but as I'm using a usb keyboard I can't even start the installation!

Frustrating. Think I may have to get one of those usb to ps/2 keyboard converters and cross my fingers it works.
 
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