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5. CPU, Chassis, and Power Fan Connectors
(3-pin FAN1, FAN2, FAN3)
The fan connectors support cooling fans of 350mA~740mA (8.88W
max.) or a total of 1A~2.22A (26.64W max.) at +12V. Connect the fan
cables to the fan connectors on the motherboard, making sure that the
black wire of each cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Lack of
sufficient air flow within the system may damage the motherboard
components. These are not jumpers! DO NOT place jumper caps on
the fan connectors!
NRL-LS/533
NRL-LS/533 12-Volt Cooling Fan Power
6. USB header (10-1 pin USB1)
If the USB ports on the rear panel are inadequate, a USB header is
available for additional USB ports. The USB header complies with USB
1.1 specification that supports up to 12 Mbps connection speed.
NRL-LS/533
NRL-LS/533 USB Header
2-22
FAN3
®
FAN1
FAN2
®
1
USB1
6
GND
+12V
Rotation
GND
+12V
Rotation
5
10
Chapter 2: Hardware information
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