AXIOMTEK MANO521 Series, User Manual

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MANO521 Mini ITX Motherboard
Board and Pin Assignments 23
2.4.23 SATA 3.0 Combo Connector (CN32)
This Serial Advanced Technology Attachment (Serial ATA or SATA) connector is for
SATA 3.0 interface allowing up to 6.0Gb/s data transfer rate. It is a computer bus
interface for connecting to device such as hard disk drive.
2.4.24 Front Panel Connector (CN34)
The CN34 is a 2x7-pin (pitch=2.54mm) header for front panel interface.
Power LED
Pin 1 connects anode(+) of LED and pin 5 connects cathode(-) of LED. The power LED
lights up when the system is powered on.
External Speaker and Internal Buzzer
Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer. While
connecting the board to an internal buzzer, please set pin 2 and 4 closed; while
connecting to an external speaker, you need to set pins 2 and 4 opened and connect the
speaker cable to pin 8(+) and pin 2(-).
Power On/Off Button
Pin 9 and 10 connect the power button on front panel to the board, which allows users to
turn on or off power supply.
Pin Signal
1 GND
2
3 SATA_TX-
4 GND
5 SATA_RX-
6
7 GND
Pin Signal
1 Power LED+
2 SPK-
3 N/C
4 Buzzer
5 Power LED-
6 N/C
7 N/C
8 SPK+
9 PWR-
10 PWR+
11 RESET-
12 RESET+
13 HD LED-
14 HD LED+