2. USB device
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).
| USBPW1234 |
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2 |
| 3 |
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| 2 |
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| 1 |
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| +5V | +5VSB | ||
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| (Default) | |
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| USBPW5678 | ||
| 1 | 2 | 2 | 3 |
| +5V | +5VSB | ||
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| (Default) |
•The USB device
provide 500mA 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.
3. Keyboard power
This jumper allows you to enable or disable the keyboard
KBPWR
1 | 2 |
| 2 | 3 |
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+5V +5VSB (Default)
A8V-X Keyboard Power Setting
ASUS |