Avalue ECM-QM77 - Manual (Page 7)

ECM-QM77 Quick Installation Guide
ECM-QM77 Quick Installation Guide 7
J422/1 COM 1 RS-422-485 mode 3 x 2 header, pitch 2.00 mm
JAUDIO1 Audio connector 6 x 2 header, pitch 2.00 mm
JBKL1 LCD inverter connector 5 x 1 wafer, pitch 2.00 mm
JCOM2 Serial port 2 connector 5 x 2 header, pitch 2.00 mm
JDIO1 General purpose I/O connector 6 x 2 header, pitch 2.00 mm
JFP1 Miscellaneous setting connector 5 x 2 header, pitch 2.00 mm
JLPC1 Low pin count interface 7 x 2 header, pitch 2.00 mm
JLVDS1 LVDS connector 20 x 2 header, pitch 1.25 mm
JSPI1 SPI connector 4 x 2 header, pitch 2.00 mm
JUSB1 On-board box header for USB2.0 5 x 2 header, pitch 2.00 mm
JUSB3/1 On-board box header for USB3.0 10 x 2 wafer, pitch 2.00 mm
JVR1 LCD backlight brightness adjustment 3 x 1 header, pitch 2.54 mm
LAN1/S_LAN1 RJ-45 Ethernet connector
LED3 LED connector
PWR_SB1 5VSB connector in ATX 3 x 1 wafer, pitch 2.54 mm
PWR1 Power connector 2 x 2 wafer, pitch 4.2 mm
JKB/MS1 PS/2 keyboard & mouse connector 2 x 3 wafer, pitch 2.00 mm
HD_PWR1 HD power connector 1 x 4 wafer, pitch 2.50 mm
SATA1 Serial ATA connector 1
SATA2 Serial ATA connector 2
SYS_FAN1 System fan connector 4 x 1 wafer, pitch 2.54 mm
USB1_1 On-board connector for USB3.0
VGA1 VGA connector D-sub 15-pin, female
MPCIE1 Mini-PCI connector
CN4 DDR3 SODIMM connector