Answer
Please follow below steps to configure your system. Then you should be able to wake it up from S3 under Windows XP by PS/2 & USB KB/mouse.
1. Please check the manual whether need to set “USBPWR_R” & “USBPWR_F”s jumper for wake up feature, if it is required, please follow the manual to set them like the following picture.
![](http://www.ecs.com.tw/ECSwebsite/images/pin/usb_jumper.JPG)
2. Power on to access BIOS & change the default settings of below items under "Power Management Setup" to [Enabled]. Save & Exit.
Resume By USB(S3) -> [Enabled]
Resume By PS2 KB(S3) -> [Enabled]
Resume By PS2 MS(S3) -> [Enabled]
![](http://www.ecs.com.tw/ECSwebsite/images/pin/USB_Power.JPG)
3. Load Windows XP & "check" [Allow this device to bring the computer out of standby] of your USB devices under "Device Manager" like the following screenshot.
![](/TSSFile/FAQImageUpload/11/09/11090500017/289200/Untitled.jpg)
4. Download and install "USB S3 Registry".
5. Restart OS to let the "USB S3 Registry" take effect.
6. Verify S3 wakeup function.
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