I purchased a Seagate GoFlex 2TB USB3 HDD and when plugged in to a USB 3 port and sleep is activated the computer would wake itself after 4 seconds of going to sleep with reason "unknown". From this point on the USB3 HDD would not be detected by windows. Additional sleep/wake cycles would not make the hdd work. Unplugging/replugging the HDD would make it work again, but the next sleep cycle would lose the drive again.
I have the Gigabyte H55M-USB3 BIOS F11, and I was running the NEC usb 3.0 driver 1.0.17.0 then upgraded to Renesas Electronics 2.0.30.0 driver from Gigabyte but the problem persisted.
I tracked the issue down to two BIOS settings:
"USB Legacy Function"
"USB Storage Function"
If these bios setting are disabled, the sleep work fine (doesn't self wake after 4 seconds) with the USB 3.0 HDD attached and the HDD works after resume.
BTW - The HDD works fine on a USB2.0 port no matter what the BIOS settings for "USB Legacy Function" and "USB Storage Function" are.
This is an issue because I can't use the USB keyboard in DOS utilities and can't boot from USB storage devices.
Has Gigabyte tested Sleep with USB 3.0 HDD connected? Can these settings be separated for USB2.0 and USB3.0? I don't need legacy support on the USB3.0 ports.
I have the Gigabyte H55M-USB3 BIOS F11, and I was running the NEC usb 3.0 driver 1.0.17.0 then upgraded to Renesas Electronics 2.0.30.0 driver from Gigabyte but the problem persisted.
I tracked the issue down to two BIOS settings:
"USB Legacy Function"
"USB Storage Function"
If these bios setting are disabled, the sleep work fine (doesn't self wake after 4 seconds) with the USB 3.0 HDD attached and the HDD works after resume.
BTW - The HDD works fine on a USB2.0 port no matter what the BIOS settings for "USB Legacy Function" and "USB Storage Function" are.
This is an issue because I can't use the USB keyboard in DOS utilities and can't boot from USB storage devices.
Has Gigabyte tested Sleep with USB 3.0 HDD connected? Can these settings be separated for USB2.0 and USB3.0? I don't need legacy support on the USB3.0 ports.
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