Asus Q87T - Manual (Page 22)

1-14 Chapter 1: Product introduction
1.7.2 Internal connectors
1. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
Q87T
Q87T Serial port connector
PIN 1
COM
DCD TXD GND RTS
RI
RXD DTR DSR CTS
2. CPU and chassis fan connectors (4-pin CPU_FAN, and 4-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring 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. Insufficient air flow inside
the system may damage the motherboard components. These are not jumpers! DO NOT
place jumper caps on the fan connectors.
Q87T
Q87T Fan connectors
CHA_FAN
GND
CHA FAN PWR
CHA FAN IN
CHA FAN PWM
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND