Advantech PCM-4386 User Manual

Also see for PCM-4386: Startup manual

Contents

15 Chapter 22.9 Keyboard and PS/2 mouse connector (CN9)The board provides a keyboard connector that supports both a keyboardand a PS/2 style mouse. In most cases, especially in embedded applica-tions, a keyboard is not used. If the keyboard is not present, the standardPC/AT BIOS will report an error or fail during power-on self-test (POST)after a reset. The PCM-4386’s BIOS standard setup menu allows you toselect “All, But Keyboard” under the “Halt On” selection. This allowsno-keyboard operation in embedded system applications, without the sys-tem halting under POST.2.10 Power & HDD LED Connector (CN13)Next, you may want to install external switches to monitor and control theboard. These features are optional: install them only if you need them.The Power & HDD LED connector is 6-pin Wafer box connector. It pro-vides connections for a power and hard disk access indicator.2.10.1 Power & HDD LED Connector(CN10)The HDD LED indicator for hard disk access is an active low signal (24mA sink rate). Power supply activity LED indicator.2.10.2 Power Reset button (S1)Momentarily pressing the reset button will activate a reset. The switchshould be rated for 10 mA, 5 V.2.11 Power connectors (CN1)2.11.1 Main power connector, +3.3V, +5 V, +12 V (CN3)Supplies main power to the PCM-4386 (+5 V), and to devices that require+12 V.2.11.2 Fan power supply connector (CN5)Provides +5V power supply to CPU cooling fan.2.12 Audio interfaces (CN31)2.12.1 Audio connector (CN31)The board provides all major audio signals and it can be optional withLine-in/Line-out/Speaker-out function by PCM-4386 daughterboard.