Intel hd4000 graphics overclockn help

[gherr74]

hi guys , and gals.
im tryin to overclock my onboard graphics. i know a little in oc cpu , but none on gpu/ onboard graphics. .should i turn everything back to default setings in bios and start over , or can i leave them where they are ...what do i need to adjust / enable / disable settings to oc hd4000 graphics..as i dont wanna screw my cpu up...basically i didnt do much to get to 4.3 ghz , maybe 4-5 changes and that was it.. any help in oc the graphics would be awesome........ 1st heres a little of my system so far.


1- i5 -3570k @4.3GHz

2- Asrock pro4 Z77 mobo

3- Patriot Intel Extreme Masters Viper 3 - 8GB DDR3-2133

4- Antec H2o 620 Liquid cooling w/ push - pull config

5- Western Digital Caviar Blue 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s

6- CoolMax 950 watt psuReplyQuote MultiREP+

 

[amuffin]

Alright, check this thread out:
http://www.tomshardware.com/forum/275461-29-review-overclocked-intel-3000-graphics-performance

To increase the max achievable speed on the IGP, you need to increase CPU Vcore. I'm not sure how much you want to push this considering ivybridge is much hotter than sandybridge, but experiment.