![]() ![]() I think most of the problems can be resolved in the drivers. What is pissing me off, is that when a device is not recognized by the USB 3.0 port, this will cause a dead-lock in the drivers and at some point this will cause BSOD. In the past they had some webcams, but that experience is not enough for writing USB port drivers. In my opinion Etron has no much experience writing USB drivers. My guess is that the external HDD enclosures with the JMicron chipset have needed very different timings, but changing the timings has affected all kind of devices which previously were working. The drivers have been screwed up in version 0.104 when JMicron support has been added. ![]() If you have only those compatible devices, you will likely have less problems. The best drivers are the 0.101, they work properly with specific USB devices. The front USB 3.0 ports are connected through a PLX chip and they will be slower because of this. ![]() The rear USB 3.0 ports are directly connected to the P67 or Z68 chipset. I think mainly the problems are driver related, but when I have tested my external HDD with Crystalmark, I have touched the EJ168A chip and it was very hot. With driver 0.105 I have problems with the rear ports not recognizing anything connected and the front ports working almost properly. It depends also on the OS, Windows 7 32 bit and 64 bit drivers behave very differently for Etron. Some people have problems with front ports, some with the rear ports. It is not obvious that only the front ports have problems. The new EtronTech EJ168A USB 3.0 Host Controller is incompatible with USB 3.0 devices having JMicron JMS539 chipset' Edited by exlex - 10/30/11 at 2:28pm. See this forum: Not only is it less reliable than the Renesas solution found on most boards, it is slower as well: Quote: 'This board is the first time I have seen the Etron EJ168A controller, and I have to say, it sucks.' See this review: On a German site they are building up a list with compatible and incompatible USB devices: See this user having problems: Or this user: Users start to RMA Asrock mainboards with this dreaded Etron controller and exchange them for Asus: See this forum: See this German forum: 'The Etron EJ168A USB 3.0 controller is a disaster' Forum posting in German language: 'Warning! Well, maybe you had no issues, but see all these links with unhappy users: Let's start with the most serious bug, until version 0.101 the Etron drivers could cause random BSOD even if you don't use the USB 3.0 ports. Tried disabling USB power saving options in UEFI and OS? The USB 3.0 power saving options are disabled in the Etron drivers by default. ![]()
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