BCM QS440VA User Manual download pdf (Page 23)

3. INSTALLATION

Power LED/Sleep/Message Waiting (J22, 3-

pin)

This header can be connected to an LED that will

light when the computer is powered on.

LED Status Description

Light Off Power Off

Light On Power On

Flash Sleep

HDD LED Connector (J23, 4-pin)

The QS440VA supports one straight 4-pin

header for connecting to front Panel Hard Disk

activity LED indicator.

Infrared (IrDA) connector (J24, 6-pin)

The QS440VA offers an IrDA infrared header

that supports third party infrared modules. The

case must reserve space for the IR module if you

want to use the IrDA function. This option

supports wireless transmission and reception of

infrared data. The module mounts in a small

opening on the system case that supports this feature. The efficient distance is 100cm

and the transfer rate is 1.44M KB/sec.

Sleep Switch (J25, 2-pin)

When the APM (Advanced Power Management)

feature is enabled in the system BIOS and the

operating system’s APM driver is loaded, the

system can enter the sleep (standby) mode in

one of the following ways:

l Optional front panel sleep/resume button

l Prolonged system inactivity using the BIOS inactivity timer feature (Section 4.5)

The 2-pin header supports a front panel sleep/resume switch, which must be a

momentary SPST type that is normally open

Pwr LED J22

LED +

LED -

HD LED J23

LED+

LED-

LED+

IrDA J24

Ground

IR-RX Receive

Vcc

IR Remote or Fast IR

IR-TX Transmit

Sleep Switch

LID

GROUND

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BCM QS440VA User Manual Page 23

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