Instruction manual

Chapter 2 Installation 29

Front panel connector (CN5)

Next you may want to install external switches to monitor and

control the mainboard. These features are completely optional.

Install them only if you need them. The front panel connector

(CN5) is an 8-pin male, dual in-line header and provides connec-

tions for a speaker, hard disk access indicator, and an input switch

for resetting the card.

Front panel connector (CN5)

Pin Signal Pin Signal

7 Reset - (GND) 8 Reset Switch

5 GND 6 NC

3 Speaker - 4 Vcc

1 HDD LED - 2 Vcc

Speaker

The mainboard can drive an 8Ω external speaker at 0.5 watts. If

there is no external speaker, the PCM-4896 provides an on-board

buzzer as an alternative.

LED interface

The front panel LED indicator for hard disk access is an active low

signal (24 mA sink rate).