Asus P5GZ-MX Motherboard Installation Guide - Page 37
P5GZ-MX, USB Device Wake Up
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3. USB device wake-up (3-pin USBPW1-4, USBPW5-8) Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. Set to +5VSB to wake up from S3 and S4 sleep modes (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). The USBPW1-4 jumper is for the rear USB ports (USB port 1-4). The USBPW5-8 jumper is for the internal USB connectors (USB port 5-8) that you can connect to additional USB ports. USBPW1-4 12 23 +5V (Default) +5VSB USBPW5-8 P5GZ-MX 12 23 R P5GZ-MX USB Device Wake Up +5V (Default) +5VSB • The USB device wake-up feature requires a power supply that can provide 500 mA on the +5VSB lead for each USB port; otherwise, the system would not power up. • The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. ASUS P5GZ-MX 1-25