Ensure you have the latest drivers for USB 3.0, test the system out of the chassis on a minimal configuration, clear the CMOS battery, and restore defaults in the BIOS. Check the front panel pin out is properly arranged as described on the Technical Product Specification page 56:
Regarding the C1E, C-State, we will forward your request for future consideration.
I did as you're told except CMOS Battery removing. It's very hard to remove under the present condition because of my PCI audio card. Instead I moved BIOS Setup Configuration Jumper; Normal > Configure > F9 in BIOS's maintenance menu (restore defaults) > Normal.
I uninstalled Intel USB 3.0 Driver (USB3_Win7_220.127.116.11_PV), and then reinstalled it. It's still not working except right usb port. When I connect USB Memory in left usb port, It's power LED flashes, but It does not appear in windows explorer. Where is another driver for DZ77GA-70K USB 3.0 Hub Controller (Genesys Logic 3520)?
Thank you for forward my request. I'm looking forward to it!
I updated new BIOS version 0053. It's working now!
Yet again, I want to see C1E, C-State in the next BIOS.
This new bios solves almost all problems for me. Just can't use Video Optimization, but i guess that might be because i have "No GUI boot" turned on in Windows. Also have to test Windows 8 some day to see if issues is gone like it says in the release notes.
Installed: latest 0058 or 0059 BIOS, Intel USB 3.0 Driver: USB3_Win7_18.104.22.168_PV or USB3.0_Win7_22.214.171.124_PV
The #1 problem reappeared. Left usb 3.0 port is not working, again.
BTW, C1E, C-State, where is it?
Installed: latest 0060 BIOS, Intel USB 3.0 Driver: USB3.0_Win7_126.96.36.199_PV
The problem is not fixed.
What is the revision/AA-number of your DZ77GA-70K?
Because this might be related to the USB 3.0 header Pin 10 issue...
Btw, what are you trying to fix with these C-states?
I don't know the revision, but AA is "G39009-400".
Are related to hardware problem? But no problem with 0053 BIOS.
C-States or C1E, For the optimizing my system!
Disable C-States in the BIOS, if your computer's BIOS gives you this option. C-States allow your CPU to sleep when idle, which may interfere with real-time applications such as audio. This option is often called "Disable CPU Idle State for Power Saving" in the BIOS. (No.9)
G39009-400 is revision 400, Intel also uses "AA" with mainboards, but that is basically the revision number.
The revisions 400 and 401 might have a problem with the USB 3.0 header used for the front panel ports
You can search for Intel PCN 11509, or try this link here, deep-link hopefully works: http://qdms.intel.com/dm/d.aspx/AC329D5E-235C-4A44-A225-E4CF5BD5A6E6/PCN111509-01.pdf
Don't know about the C-States, though
Installed: latest 0061 BIOS, Intel USB 3.0 Driver: USB3.0_Win7_188.8.131.52_PV
It is working now.
Please Intel, don't touch usb part in BIOS in the future.