Windows finishes installing the driver software for the USB Human Interface Device (HID) device. You restart the computer. In this scenario, the value of the SelectiveSuspendEnabled registry entry is changed to0. Therefore, the USB selective suspend feature is disabled, and this inc...
Windows finishes installing the driver software for the USB Human Interface Device (HID) device. You restart the computer. In this scenario, the value of the SelectiveSuspendEnabled registry entry is changed to0. Therefore, the USB selective suspend feature is disabled, and this inc...
This article provides information about choosing the correct mechanism for the selective suspend feature.
This test is designed to test the selective suspend abilities of the USB. This feature allows a device's port to be suspended when the device is not in use in order to conserve power. To properly support this new feature, a device must maintain its internal state when its upstream port ...
客户端驱动程序(对于复合设备上的接口)启用远程唤醒的接口(IRP_MN_WAIT_WAKE),必须使用空闲请求 IRP (IOCTL_INTERNAL_USB_SUBMIT_IDLE_NOTIFICATION) 机制选择性地暂停设备。 有关远程唤醒的信息,请参阅: USB 设备的远程唤醒 等待/唤醒操作概述 Windows 操作系统的版本确定非复合设备的驱动程序启用选择性挂起的方式。
Revision 2.0 of the Universal Serial Bus Specification specifies a USB selective suspend feature. By using this feature, the Windows operating system can selectively suspend idle USB devices. This allows Windows to efficiently manage the power requirements of the overall system. For more information...
Method 6: Consider disabling USB selective suspend settings With a selective Suspend feature, you can allocate USB ports of your choice to saving mode like when your PC is on sleep mode. For users of Desktop computers, this feature is unnecessary since it always plugged to a power source. S...
Hub Selective Suspend Timeout就是USB 选择性暂停设置用的数值。 Setting IOC on all TDs里的IOC是Interrupt on Completion,TDs是Transfer Descriptors,关闭应该是比较省电的。见:https://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/extensible-host-controler-interface-usb-xhci....
或者,您可以在 USB 埠驅動程式的軟體金鑰下設定 HcDisableSelectiveSuspend值,以啟用或停用選擇性暫停。 值為 1 會停用選擇性暫停。 值為 0 可啟用選擇性暫停。 例如,Usbport.inf 中的下列幾行會停用 Hydra OHCI 控制器的選擇性暫停: C++複製 [OHCI_NOSS.AddReg.NT] ...
section of the current WDK. The Selective Suspend feature allows a driver to turn off the USB device it controls when the device becomes idle, even while the system itself remains in a fully operational power state (S0). This feature is primarily intended to conserve battery power in laptops...