Asus SK8N SK8N User Manual - Page 44

Hardware information, CPU, Power and Chassis Fan Connectors, pin CPU_FAN1, PWR_FAN1,

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5. CPU, Power and Chassis Fan Connectors (3-pin CPU_FAN1, PWR_FAN1, CHA_FAN1) 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! SK8N PWR_FAN1 CPU_FAN1 GND +12V Rotation GND +12V Rotation ® SK8N 12-Volt Fan Connectors CHA_FAN1 Rotation +12V GND 6. Serial Port 2 connector (10-1 pin COM2) This connector accomodates a second serial port using a serial port bracket. Connect the bracket cable to this connector then install the bracket into a slot opening at the back of the system chassis. SK8N COM2 PIN 1 ® SK8N Serial COM2 Bracket The serial port bracket is purchased separately. 2-24 Chapter 2: Hardware information

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2-24
Chapter 2: Hardware information
5.
CPU, Power and Chassis Fan Connectors
(3-pin CPU_FAN1, PWR_FAN1, CHA_FAN1)
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.
6.
Serial Port 2 connector (10-1 pin COM2)
This connector accomodates a second serial port using a serial port
bracket. Connect the bracket cable to this connector then install the
bracket into a slot opening at the back of the system chassis.
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!
The serial port bracket
is purchased separately.
SK8N
SK8N 12-Volt Fan Connectors
CPU_FAN1
PWR_FAN1
GND
Rotation
+12V
GND
Rotation
+12V
CHA_FAN1
GND
Rotation
+12V
SK8N
SK8N Serial COM2 Bracket
PIN 1
COM2