User guide

ECW-281B-D2550 Embedded System
Page 80
6.2 Internal Peripheral Connectors
Internal peripheral connectors are found on the motherboard and are only accessible
when the motherboard is outside of the chassis. The table below shows a list of the
peripheral interface connectors on the ECW-281B-D2550 motherboard. Pinouts of these
connectors can be found in the following sections.
Connector Type Label
5 V SATA power connectors 2-pin wafer SATA_PWR1,
SATA_PWR2
12 V power connector 4-pin Molex power
connector
CN3
Audio connector 10-pin box header AUDIO1
Backlight inverter connectors 5-pin wafer INV1, INV2
Battery connector 2-pin wafer CN1
Digital Input/Output (DIO) connector 10-pin header DIO1
Fan connectors 3-pin wafer CPU_FAN1,
SYS_FAN2
Keyboard and mouse connector 6-pin wafer KB_MS1
LVDS connectors 20-pin/30-pin crimp LVDS1, LVDS2
PCIe Mini card slots 52-pin PCIe Mini M_PCIE1, M_PCIE2
Power & HDD LED connector 6-pin header CN2
Power button connector 2-pin wafer PWR_BTN1
Reset button connector 2-pin wafer RST_BTN1
RS-232 serial port connectors 10-pin header COM2, COM3
RS-422/485 serial port connector 4-pin wafer COM4
Serial ATA (SATA) drive connectors 7-pin SATA SATA1, SATA2
USB 2.0 connectors 8-pin header USB2, USB3
Table 6-1: Peripheral Interface Connectors