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3. IEEE 1394 setting (3-pin J3)
This jumper allows you to enable or disable the onboard IEEE 1394
controller. Set to pins 1-2 to activate the 1394 feature.
PCH-DL
PCH-DL 1394 Function Setting
4. USB device wake-up (3-pin USBPW1, USBPW2)
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).
PCH-DL
PCH-DL USB Device Wake Up
1. The USB device wake-up feature requires a power supply that can
2. The total current consumed must NOT exceed the power supply
2-20
provide 500mA on the +5VSB lead for each USB port. Otherwise,
the system would not power up.
capability (+5VSB) whether under normal condition or in sleep
mode.
J3
1 2
2 3
Enable
Disable
(Default)
USBPW1
3
2
2
1
+5V
+5VSB
(Default)
USBPW2
1 2
2 3
+5V
+5VSB
(Default)
Chapter 2: Hardware information
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