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Chapter 2: Hardware informationChapter 2: Hardware information
Chapter 2: Hardware informationChapter 2: Hardware information
Chapter 2: Hardware information
3.3.
3.3.
3.
USB device wake-up (3-pin USBPW12, USBPW34)USB device wake-up (3-pin USBPW12, USBPW34)
USB device wake-up (3-pin USBPW12, USBPW34)USB device wake-up (3-pin USBPW12, USBPW34)
USB device wake-up (3-pin USBPW12, USBPW34)
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 USB device wake-up feature requires a power supply that can
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.
2.2.
2.2.
2.
CPU fan pin selection (3-pin FM_CPU1, FM_CPU2)CPU fan pin selection (3-pin FM_CPU1, FM_CPU2)
CPU fan pin selection (3-pin FM_CPU1, FM_CPU2)CPU fan pin selection (3-pin FM_CPU1, FM_CPU2)
CPU fan pin selection (3-pin FM_CPU1, FM_CPU2)
These jumpers allow you to connect either a 3-pin or a 4-pin CPU fan
cable plug to the CPU fan connectors (CPU_FAN1, CPU_FAN2). Set
these jumpers to pins 1-2 if you are using a 3-pin fan cable plug, or to
pins 2-3 if you are using a 4-pin plug.
NCCH-DR
NCCH-DR FM_CPU Setting
FM_CPU2
DC mode PWM
(Default)
2
1
2
3
FM_CPU1
DC mode PWM
(Default)
12
23
NCCH-DR
NCCH-DR USB device wake-up
USBPW12
(Default)
+5V +5VSB
12
23
USBPW34
(Default)
+5V +5VSB
12
23