Schedule

Schedule

Wednesday, April 16

1397662200 FLOSS Weekly
1397667600 Tech News Today
1397671200 Windows Weekly
1397678400 This Week in Google
1397689200 Tech News 2Night
1397691000 The Giz Wiz
1397696400 Ham Nation

Thursday, April 17

1397754000 Tech News Today
1397757600 Know How...
1397761200 The Social Hour
1397766600 Coding 101
1397770200 Home Theater Geeks
1397775600 Tech News 2Night
1397779200 OMGcraft

Friday, April 18

1397840400 Tech News Today
1397844000 This Week in Law
1397862000 Tech News 2Night

Saturday, April 19

1397930400 The Tech Guy

Sunday, April 20

1398016800 The Tech Guy
1398031200 This Week in Tech

Monday, April 21

1398099600 Tech News Today
1398103200 Triangulation
1398108600 iPad Today
1398121200 Tech News 2Night

Tuesday, April 22

1398180600 Marketing Mavericks
1398186000 Tech News Today
1398189600 MacBreak Weekly
1398196800 Security Now
1398204000 Before You Buy
1398207600 Tech News 2Night
1398211200 All About Android

Wednesday, April 23

1398267000 FLOSS Weekly
1398272400 Tech News Today
1398276000 Windows Weekly
1398283200 This Week in Google
1398294000 Tech News 2Night
1398295800 The Giz Wiz
1398301200 Ham Nation

Thursday, April 24

1398358800 Tech News Today
1398362400 Know How...
1398366000 The Social Hour
1398371400 Coding 101
1398375000 Home Theater Geeks
1398380400 Tech News 2Night
1398384000 OMGcraft

Friday, April 25

1398445200 Tech News Today
1398448800 This Week in Law
1398466800 Tech News 2Night

Most Recent Episodes

All About Android

Heartbleed's Android impact, Google Glass for everyone, Samsung Galaxy S5 review, Ara gets a date, Amazon phone is leaked, and more.

Before You Buy

The Samsung Galaxy S5, Dell Precision M3800 Mobile Workstation, Outdoor Tech Privates Wireless Headphones, Logitech Harmony Keyboard, and the Automatic.

Security Now

The previous week consisted of nearly a single story: Heartbleed. It was only "nearly", though, because we also received the results from the first phase of the TrueCrypt audit.

Tech News 2Night

Google's Project Ara has a launch date, what Amazon's smartphone looks like, Roku now has voice search too, Yahoo's earnings, Google Glass goes on sale for one day only, and Twitter buys Gnip.

MacBreak Weekly

When we might see a new Mac Mini, Jony Ive gets more power at Apple, would you pay $1,000 for an iWatch? And more.

OMGcraft

Chad shows off some cool things you can do with Soul Sand in Minecraft.

Tech News Today

Google snatches a drone company everybody expected Facebook to buy, details on the Amazon smartphone, 4K laptops are here, and more.

Marketing Mavericks

On Marketing Mavericks, we speak with VentureBeat about their new mobile study, what is Omni-Channel, and responsive design.

This Week in Enterprise Tech

The US missed its own XP deadline, FTC can sue companies over data breaches, 900 Canadian Social Insurance Numbers stolen with Heartbleed, and more.

Tech News 2Night

Google is in the business of making drones, Netflix speeds up after paying out, Windows Phone 8.1 released to developers, Google wants to patent cameras in a contact lens, and Mozilla has a new interim CEO.

Know How... 40

Overclocking 101

April 17 2013

Ryan Shrout comes by show us how to make overclocking happen.

What is overclocking?

Overclocking is taking a processor (or a number of other devices) and running it above specified clock rates for increased performance.

In the old days, you'd have to do this via physical switches on the motherboard. These days, you can do it via software. Practically speaking, overclocking a CPU will allow you to get some more performance for things like video editing, video encoding or transcoding and development work.

Hardware

For our demo, we used the Asus P8Z77-V motherboard, but you can pretty much overclock on any motherboard from Asus or MSI.

You can overclock any Ivy Bridge processor, but Ryan says it's easier with the K-Series (like the 3770K or the 3570K) since these processors are unlocked.

Software

We're using Asus's Turbo V EVO software that comes with the motherboard we chose. It's also available as a free download (click the + next to Utilities) at Asus.

If you want to get extra performance out of your processor, you don't need to mess with each and every setting available in Turbo V EVO.

What to mess with

The main things you should take a look at are "BCLCK Frequency," (Base Clock Frequency) which is mixed with a multiplier known as the CPU multiplier. You'll want to adjust the ratio under the CPU Ratio section of the software by moving a slider. Increasing the ratio which change the frequency. If you increase the ratio too much, you could cause a system crash.

There are two ways to determine the best settings: You can do a search for the type of motherboard you have and dive into forums. Alternatively, you can experiment.

If you don't want to fiddle with that you can use the "Auto Tuning" feature of Turbo V EVO that allows the software to handle the process for you, but it might not give you the same performance you'd get by experimenting.

The software will let you save profiles, so you can test out different settings and switch easily.

For our setup, Ryan set the BCLK Frequency to 103.0, the CPU Voltage to 1.290 and the ratio to 44.0. Ryan suggests not increasing the voltage until you see instability.

Stress testing

We used the System Stability test in AIDA64 to test out our settings. It's safer to test things this way than just running your system only to find out something goes wrong during a mission critical event.

Connect with us!

Download or subscribe to this show at twit.tv/kh.

Contribute to our show! Send us an email at knowhow@twit.tv Join our Google+ Community and join in the conversation. There are over 2000 of you guys in there chipping in show ideas and helping each other out. It's a fantastic resource.

Thanks to Cachefly for the bandwidth for this show.

People: Leo Laporte