"Built-in optional SATA power connector, provides up to 900mA per port for USB 3.0 devices (500mA for USB 2. So, POWER to the drives is NOT the issue. ![]() But as mentioned above, the USB 3.0 card is powered with a SATA connector from my SeaSonic Platinum 1000 PSU. YES, all of "my" external drives have their own power brick. I'll post up again if I make any headway. The idea is to rule out any issues caused by a loose connection. I just started to tackle this about 3 days ago. Reconnect the Device The first thing you need to do is unplug your USB device and plug it back in. If anyone has a solution to this or has at least made progress in extending the amount of time between disconnects please post it up in here. I'm running Windows 7 圆4 Ultimate and have the latest Asus BIOS update along with the latest Intel USB Controller drivers. The card is GREAT and ATTO shows the drives running just as fast on the Startech Card and they do on the Intel MB ports with the Intel USB 3.0 drivers.īut again, no matter what/which USB 3.0 port I'm hooked up to they still randomly disconnect. I picked up a Startech PEXUSB3S400 4 individual powered port PCI 2.0 card that uses the Renesas Electronics USB drivers so that I could have ALL my external USB 3.0 drives hooked up and running at FULL SPEED. I picked up two new 4TB Seagate externals with the new build and of course they too are acting up. the 110 to 200 mbs that I get with the 3.0 port. But, I only get like 40 to 60 mbs transfer vs. If your external hard drive keeps disconnecting, then possibly it is because of the power-saving feature. I have disabled ALL USB power/sleep/hibernate functions in EVERY place possible.Įven got desperate enough to install the Seagate Disk Manager to turn it off there in case it was a FIRMWARE setting on the drive itself or the enclosure PCB.Īs stated above, if I plug them into the USB 2.0 ports they stay on NO PROBLEM. Just built a Xeon Ivy Bridge Workstation with Intel USB 3.0 ports and I have CONSTANT RANDOM disconnects when connected to the Intel USB 3.0 rear ports or the case's front 3.0 ports that are plugged into Asus Intel USB 3.0 MB header.Īs above poster noted, even during file transfers or streaming movies they will disconnect. HDD's (2 WD & 1 Seagate) over the last 2 years and was using them on computers that only had USB 2.0. If so, the hard drive does not need to be Safely Removed manually from the system. Check whether the drive is set to Optimize for Quick Removal. I would like to see this fixed properly, hopefully with the next 10.6 update.I've bought 3 USB 3.0 Ext. Double-click on the hard drive's model number. However, I don't like the "insomniac" nature of a continually spinning disk - both for energy consumption and for drive wear that will shorten its lifespan. on up to the current 10 minutes and it seems to provide a stable connection to the drive. ![]() I've tried this at varying intervals, from every 30 sec. ![]() This seems to defeat whatever is timing out on the FireWire 800 bus and causing the disconnections. ![]() The only workaround I've found is to create a and run a shell script in the background:īasically, the script just generates a minimum of disk activity on a repeating basis. This behavior has been consistent between 10.6.5-10.6.7 updates. My computer is set not to go to sleep (just the display) and the hard drives are not allowed to spin down ("sleep when possible"). While using it (the only FW800 device), I've been seeing the random disconnects as well. However, I wanted to leverage the GoFlex capability to use another desktop dock, so I bought the FireWire 800 version. Connected via the USB 3.0 dock (functioning on the iMac's native USB 2.0 ports), I have had good success and a stable connection - it functions normally. I have a Seagate FreeAgent GoFlex Desk 2TB drive.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |