5.CPU and chassis fan connectors (4-pin CPU_FAN, 3-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.

P8B75-M LE

CPU_FAN

GND

CPU FAN PWR

CPU FAN IN

CPU FAN PWM

CHA_FAN1

GND

+12V

Rotation

P8B75-M LE fan connectors

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!

• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.

• Only the 4-pin CPU fan supports the ASUS Fan Xpert and Q-Fan 2 feature.

6.LPT connector (26-1 pin LPT)

The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT is standardized as IEEE 1284, which is the parallel port interface on IBM PC-compatible computers.

LPT

SLCTPEBUSYACK#PD7PD6PD5PD4PD3PD2PD1PD0STB#

PIN 1

P8B75-M LE

GND

GND

GND

GND

GND

GND

GND

P8B75-M LE Parallel Port Connector

GND SLIN# INIT# ERR# AFD

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Chapter 1: Product introduction