2. USB device wake-up (3-pin USBPW1-4, USBPW5-10)
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 these jumpers to +5VSB to wake up the compurer from S3 and S4 sleep
modes (no power to CPU, DRAM in slow refresh, power supply in reduced power
mode).
M4A78LT-M LX
21
2 3
+5V
(Default)
+5VSB
USBPW5-10
21
2 3
+5V
+5VSB
(Default)
USBPW1-4
M4A78LT-M LX USB Device Wake Up
3. Keyboard power (3-pin KBPWR)
This jumper allows you to enable or disable the keyboard wake-up feature. When you
set this jumper to pins 2-3 (+5VSB), you can wake up the computer by pressing a key
on the keyboard. This feature requires an ATX power supply that can supply at least 1A
on the +5VSB lead, and a corresponding setting in the BIOS.
M4A78LT-M LX
21
2 3
+5V
(Default)
+5VSB
KBPWR
M4A78LT-M LX Keyboard Power Setting
ASUS M4A78LT-M LX 1-19
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General
Weight and Dimensions
