Search found 147 matches

by graysky
Mon May 20, 2013 7:39 am
Forum: CPUs and Motherboards
Topic: Exquisitely sensitive stability testing - the linux kernel!
Replies: 6
Views: 5026

Re: Exquisitely sensitive stability testing - the linux kern

Bump to do updated info in the post: the recommendation of using x264 and cc to further probe stability. On my current i7-3770K, I recently discovered that my long-time stable settings have become unstable, requiring an extra bump to the vcore. I could do #1 and #2 all day, but as soon as I started ...
by graysky
Sat Aug 11, 2012 2:10 am
Forum: CPU Cooling
Topic: Noctua DH-14: Stock fan control
Replies: 4
Views: 1873

Re: Noctua DH-14: Stock fan control

What you're asking for here is trivial under Linux using fancontrol. See, https://wiki.archlinux.org/index.php/Fan_control
by graysky
Sat Aug 11, 2012 2:06 am
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

wayner wrote:Has Intel responded at all to these experiments and do they plan to do anything to change their processes with the Ivy Bridge CPUs?
:lol:
by graysky
Wed Aug 08, 2012 12:18 am
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

How do you put the lid back on after you have taken it off? When finished cleaning up both pieces, apply TIM to the die, place it back in the MB, and gently place the IHS on it. Lock it into place in the MB with the mounting bracket that will hold the IHS to the chip securely thus keeping you from ...
by graysky
Tue Aug 07, 2012 7:28 am
Forum: CPUs and Motherboards
Topic: Exquisitely sensitive stability testing - the linux kernel!
Replies: 6
Views: 5026

Re: Exquisitely sensitive stability testing - the linux kern

Oops: [1305600.000054] [Hardware Error]: Machine check events logged [2403150.000025] [Hardware Error]: Machine check events logged I'm not even stressing it. Where can the details of the events be logged? If your getting error on idle that's bad. There aren't meaningful specifics to be had... Best...
by graysky
Mon Aug 06, 2012 4:26 pm
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

@Tzupy - No need to apologize for linking. You can add 'forms tight bonds between surfaces' to your list of why LP is a bad idea.
by graysky
Sun Aug 05, 2012 1:33 am
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

Interestingly, the lower offset (-150 mV) only translated into -1C drop across cores: Squares are the offset of +0.020 V and circles are the offset of +0.005 V. http://s19.postimage.org/6vxxj9ypf/day_4.jpg Here are a few visuals on the VID distributions. Remember, my script is sampling 30 times/sec ...
by graysky
Sat Aug 04, 2012 10:09 am
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

I was able to drop my vcore offset from +200 mV down 150 mV to +5 mV and have a stable system as evaluated by: 5 h of mprime large/FFTs, 2 h of continuous compiling, 2 h of systest 64M, and 2 h of linpack+gcc. Lower operating temps have their tangibles. This is @ 45x100. I'll now switch over to 47x1...
by graysky
Sat Aug 04, 2012 1:14 am
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

I updated the first post of this thread with new results having lapped both the IHS and the base of the heatsink. They start under the section entitled, "Part 2."
by graysky
Sun Jul 29, 2012 7:50 am
Forum: CPUs and Motherboards
Topic: Exquisitely sensitive stability testing - the linux kernel!
Replies: 6
Views: 5026

Exquisitely sensitive stability testing - the linux kernel!

TL; DR Summary The linux kernel is a powerful tool to detect instabilities in your overclock settings with both greater accuracy and sensitivity than either Prime95 or IBT/LinX. More Details The linux kernel supplies users with a dead simple method for measuring hardware instabilities -- like those...
by graysky
Thu Jul 26, 2012 9:30 pm
Forum: CPUs and Motherboards
Topic: Is there a safe bet Z77 board?
Replies: 13
Views: 6503

Re: Is there a safe bet Z77 board?

My P8Z77-V Pro is quiet and I love it.
by graysky
Wed Jul 25, 2012 1:07 pm
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

Re: 3770K IHS removal and results

Olaf van der Spek wrote:Interesting! Isn't it possible to take out the IHS completely and mount the HSF on the die directly, like it used to be before IHSs?
You can but I'm not interesting in doing it on my hardware. Plus, I think you'd need a shim of some sort at least with air cooling.
by graysky
Tue Jul 24, 2012 9:08 pm
Forum: CPUs and Motherboards
Topic: 3770K IHS removal and results
Replies: 66
Views: 116184

3770K IHS removal and results

PART 1 Introduction Feeling somewhat curious about the reports that inferior Thermal Interface Material (TIM) ships from the factory inside Ivy Bridge (IB) chips, I found myself taking my new 3770K out of the safety of its socket this afternoon and on to my desk where it went under the knife. About...
by graysky
Tue Jul 13, 2010 1:06 pm
Forum: Silent Storage
Topic: WD20EARS or WD20EADS? What about seagate's 2tb drive?
Replies: 60
Views: 105982

Don't blame linux for this "feature" in the drive. One can easily disable it under Linux: Use hdparm in your /etc/rc.local to disable this 'feature' and likely add life to your hdd: # echo "hdparm -S 242 /dev/sdX" > /etc/rc.local If you have several, here is a simple bash script to automatically do ...
by graysky
Fri Jun 25, 2010 12:44 pm
Forum: Silent Storage
Topic: WD Caviar Green drives in Linux
Replies: 17
Views: 8037

Thanks for the info. My distro doesn't install the /etc/hdparm.conf by default. I was thinking to just call a script in the /etc/rc.local to setup the timeout.
by graysky
Thu Jun 24, 2010 3:51 pm
Forum: Silent Storage
Topic: Initial problems with WD20EARS - bad sign? Should I RMA it?
Replies: 1
Views: 1750

Initial problems with WD20EARS - bad sign? Should I RMA it?

I just installed a new WD Green WD20EARS in my system (Linux with latest kernel 2.6.34). When I attempted to query it via smartmontools I got: # smartctl -a /dev/sdc smartctl 5.39.1 2010-01-28 r3054 [x86_64-unknown-linux-gnu] (local build) Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.s...
by graysky
Thu Jun 24, 2010 3:49 pm
Forum: Silent Storage
Topic: WD Caviar Green drives in Linux
Replies: 17
Views: 8037

@vic - can you post the contents of your /etc/hdparm.conf?
by graysky
Thu Jun 24, 2010 1:08 pm
Forum: Silent Storage
Topic: WD Caviar Green drives in Linux
Replies: 17
Views: 8037

Thanks for the hdparm -S 244 suggestion. I just installed my wd20ears and found that the lcc was counting up. 23 in a few min. That command halts this retarded behavior. Do you add it to your /etc/rc.local or something to fix it at boot? My understanding is that the hdparm commands do not survive a ...
by graysky
Tue Jun 22, 2010 5:09 pm
Forum: Silent Storage
Topic: WD Caviar Green drives in Linux
Replies: 17
Views: 8037

Well, i used Arch linux, where you partition your hard drive manually :) (and i alligned them to sector 2048 to be safe). Why not align to 64? As I understand it, you have to do it to a number divisible by 8, no? Also, can you post a link to the procedure you used to partition the drive? Can you ru...
by graysky
Tue Jun 22, 2010 4:48 pm
Forum: Silent Storage
Topic: Is there a problem with head parks on WD Green HDDs?
Replies: 296
Views: 357572

I just ordered a 2TB EARS drive and will be running it on a Linux box. I currently have a Seagate drive on the machine but I don't see a load_cycle_count for it: Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read...
by graysky
Tue Jun 22, 2010 12:47 pm
Forum: Silent Storage
Topic: WD20EARS or WD20EADS? What about seagate's 2tb drive?
Replies: 60
Views: 105982

There are loads of reports of the drives failing. It was worst with Linux systems. The drive reaches the SMART programmed limit for load/unload cycles and reports a SMART parameter failure after just a few months. It might be fine for desktop use. Might even be fine for NAS or a Linux server. Why c...
by graysky
Sun Jun 06, 2010 7:44 am
Forum: CPUs and Motherboards
Topic: Zotac IONITX A-U overclocked - temp reads are wacked out
Replies: 1
Views: 1124

Zotac IONITX A-U overclocked - temp reads are wacked out

If I run my Zotac IONITX A-U (Atom 330 based all-in-one) at the stock settings (1.60 GHz) the temp monitor in the BIOS reads 34 for the MB and 41 for the CPU at idle. If I overclock the board (fsb up to 667 from 533) the temp monitor in the BIOS reads 34 for th MB and 14 for the CPU at idle. If I bo...
by graysky
Sat Dec 19, 2009 10:44 am
Forum: CPUs and Motherboards
Topic: Ideal core2duo/Xeon for under-volt '&' occasional OC?
Replies: 12
Views: 3083

You're asking for a super chip. Some are better high and some low, but I don't know of one that that'll be great at both ends of the scale, that said I haven't looked either. If it's lower you're after, a good set of DDR2 @ 800 and 4-4-4-12 is what you want. For the high end, DDR2 @ 1066 and 5-5-5-1...
by graysky
Sat Dec 19, 2009 10:08 am
Forum: CPUs and Motherboards
Topic: Ideal core2duo/Xeon for under-volt '&' occasional OC?
Replies: 12
Views: 3083

What do you plan to do with the box? HTPC or HTPC/NAS? If so why in the world would you want to o/c it? I would think you'd want a cool running and quiet machine for that role.
by graysky
Sat Dec 19, 2009 7:46 am
Forum: CPUs and Motherboards
Topic: Ideal core2duo/Xeon for under-volt '&' occasional OC?
Replies: 12
Views: 3083

An e5200 = c2d. Each chip is different for overclocking and undervolting. You have to be lucky and get a good one. Mine does the voltage stable that I posted. Others may or may not.
by graysky
Sat Dec 19, 2009 3:07 am
Forum: CPUs and Motherboards
Topic: Ideal core2duo/Xeon for under-volt '&' occasional OC?
Replies: 12
Views: 3083

The GA-EG45M-UD2H is a great board. I have one myself. I have an e5200 (stock 12.5x200) on it which is undervolted (minimized) and is stable (Linpack and prime95): CPU Vcore = 0.97500 V CPU Termination = 1.10000 V CPU Reference = 0.753 V MCH Core = 1.100 V DRAM Voltage = 1.800 V If I can find my kil...
by graysky
Fri Dec 18, 2009 9:33 am
Forum: CPUs and Motherboards
Topic: EG45M-UD2H with slow disc access - SATA setup correctly?
Replies: 0
Views: 689

EG45M-UD2H with slow disc access - SATA setup correctly?

I have a EG45M-UD2H running BIOS F3. I noticed a pretty significant HDD speed decrease with this board. If I take the same Seagate 7200.12 (1 gig) HDD and benchmark it on another motherboard, the cached reads are about 7x higher. For example, under the EG45M-UD2H: # hdparm -Tt /dev/sda /dev/sda: Tim...
by graysky
Wed Dec 16, 2009 9:42 am
Forum: General Gallery
Topic: update2 - EG45M-UD2H Q9550 v351 now with silent cell 9800gt
Replies: 25
Views: 13417

Thanks for the info. Guess those phase LEDs only with under windows.
by graysky
Tue Dec 15, 2009 10:22 pm
Forum: General Gallery
Topic: update2 - EG45M-UD2H Q9550 v351 now with silent cell 9800gt
Replies: 25
Views: 13417

Re: update2 - EG45M-UD2H Q9550 v351 now with silent cell 980

The motherboard EG45M-UD2H has the "Phase LED" feature that shows CPU loading with green - yellow -red LEDs. These match up nicely with the perforated grill in the side of the v351. So these green/yellow/red LEDs are hardwired to the MB? Do they just work or do you need to run some Gigabyte softwar...
by graysky
Tue Dec 15, 2009 9:54 am
Forum: CPU Cooling
Topic: Undervolting my E5300
Replies: 5
Views: 2947

Great to hear, thanks!