10.System panel connector (10-1 pin PANEL)

This connector supports several chassis-mounted functions.

F_PANEL

 

PWR_LED PWR_BTN

 

PLED+ PLED- PWR GND

 

PIN 1

Q87M-E

HDD_LED+ HDD_LED- Ground HWRST# (NC)

+HD_LED RESET

Q87M-E System panel connector•System power LED (2-pin PWR_LED)

This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

•Hard disk drive activity LED (2-pin HDD_LED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The HDD LED lights up or flashes when data is read from or written to the HDD.

•ATX power button/soft-off button (2-pin PWR_BTN) This connector is for the system power button.

•Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.

11.LPT connector (26-1 pin LPT)

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

computers.

Q87M-E

LPT

SLCT PE BUSY ACK# PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 STB# PIN 1

GNDGNDGNDGNDGNDGNDGNDGNDSLIN#INIT#ERR#AFD

Q87M-E Parallel Port Connector

1-18

Chapter 1: Product introduction