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#1935301 Router Cooling Mod

Posted by TheSternMystic on 24 June 2011 - 02:56 PM in Networking and Internet

So I bought this WRT310N a couple years ago. It's always been flaky, but I paid too much for it and I can't bring myself to get something different. It has always flaked out during periods of high load - torrenting and multiple simultaneous users always brought the wireless network to a standstill and caused dropped connections. Various manufacturer and 3rd party firmwares made no difference. Probably overheating, amirite?

I always meant to do something about it, but I have a habit of living in a dream world when I "mean to do things", so I never did. My goal this year has been to . or get off the pot.

After acquiring a free backup router in case of failure, I ripped the the WRT310N open. One tiny little heatsink on the switch, nothing on the CPU or wireless radio. Touching the heatsink was painful it was so hot, and the CPU was just as gnarly. The wireless radio chip was just warm. I chopped up an old Northbridge heatsink I had kicking around, and stuck them on the switch/CPU chips with some random Coolermaster paste and a little drop of superglue in the corners. I left the cover off, with a 80mm fan was used to blow air over the bare board. After a month of uptime and rock solid stability, I considered it a complete win.

Then I hacked up the case to make the cooling solution permanent. Pressure fit a quiet 40mm fan, soldered it to the board, and opened up holes for the heatsinks to poke through. Heatsinks are stay cool to the touch (They'd get quite warm without active airflow!). It ain't pretty, but it works. I love it. I'm so stoked.

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#1934365 Voltages, and effects on temperature

Posted by TheSternMystic on 20 June 2011 - 10:58 AM in Overclocking and Cooling

On some sites, I've seen super clean text-based motherboard settings lists. Looks like it's generated by some CMOS export program or something?

CPU... i5-2500K
RAM... Patriot Gamer2 PC3-12800
PSU... Corsair TX750

LLC... Level-6
VCore... 1.270v
QPI/Vtt... 1.050v
VccSA... 0.920v
CPUPLL... 1.700v (undervolted to try and lower temperatures, didn't help, but still stable so whatthehell)
DRAM... 1.500v (My RAM is spec'd at [email protected], but I'm running it [email protected] That normal?)

CPU Clock Ratio... 45
BCLK... 100.0mhz
Memory multiplier... 16

#1934208 Voltages, and effects on temperature

Posted by TheSternMystic on 19 June 2011 - 04:11 PM in Overclocking and Cooling

After a TON of futzing;

For 4.5ghz, all voltages can remain stock except Vcore, which I need to be at 1.27v. I don't know why I thought I had to raise anything else...

Backing down to 4.4ghz, I can run a Vcore of 1.230v. Temperatures drop by ~3*C. Not even close to worth it.

AIDA64 shows a 5watt decrease in power consumption. Sounds consistent with the observed temperature drop.

I'm just going back to [email protected]

#1934159 Voltages, and effects on temperature

Posted by TheSternMystic on 19 June 2011 - 09:13 AM in Overclocking and Cooling

Which of the various voltage settings have the greatest effect on your temperatures? VCore, VTT, VCCSA, CPU PLL, etc...

I've got a i5-2500K @ 4.5ghz.
[email protected]
[email protected]
All other voltages stock.
IBT/OCCT/Prime95/[email protected] stable.

I'm getting load temperatures maxing out at ~68*C.

I'd like to have the lowest possible voltages, with the end goal of the lowest possible core temperatures.

#1934152 HSF development

Posted by TheSternMystic on 19 June 2011 - 08:50 AM in Overclocking and Cooling

I miss my passively cooled Pentium 2. So quiet.

Overclocked that beast to 333mhz.

#1933674 HSF development

Posted by TheSternMystic on 17 June 2011 - 10:38 AM in Overclocking and Cooling

The first thing I said when I opened the box up, was "This thing is huge".

I LoL'd in RL.

#1679949 What the heck guys?!

Posted by TheSternMystic on 15 May 2009 - 10:42 AM in OCC Teams

Point production trend shows a steep decline, what's the deal?


#1591093 Xfx Geforce 8800 Gtx - Dual 6pin Power Supplies?

Posted by TheSternMystic on 05 October 2008 - 11:35 AM in Video Cards and Monitors

Fairly low amps on the 12V rail, combined with a lack of the 6-pin PCI Express molex, tells me that sucker is a fairly low quality power supply.

It would be worthwhile to upgrade it, even if you decide not to upgrade to the 8800GTX.

#1591091 High End Help

Posted by TheSternMystic on 05 October 2008 - 11:30 AM in Overclocking and Cooling

Uhhh, is it possible that it's freezing because it's overclocked?

Try running it completely stock. If it doesn't freeze, well, answer is there. Higher temperatures always increase instability. Even if the temperatures aren't into a "dangerous range," a higher temperature when combined with an overclock can easily cause a system to lock up.

Raise the voltage to 1.3. If that doesn't solve all your problems in life, aim for a lower overclock.

#1591090 New Water Cooling Setup, Weird Core Temps

Posted by TheSternMystic on 05 October 2008 - 11:25 AM in Cases, Power Supplies and Modding

There's a couple things that could cause that. My first suspect would be the calibration of the thermal diode in the die itself. I seriously doubt that any chip manufacturer will spend a huge amount of time accurately calibrating the internal diodes to report the exact temp. +/- 5*C sounds like a decent margin of error to me. The lack of calibration doesn't mean the scale is off.

Second suspect would be load balancing. If you're running windows, background processes will only be able to use one core at a time. lsass.exe, svchost, etc... And I remember from back in the day of my Dual Pentium 2 rig, all BIOS events could only be run on processor 0. So one CPU would always run hotter.

Anyways, don't worry about it. Some dual core CPU's even experience the same thing, as well as AMD dual and quad core processor's.