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Chapter 3 – QBiP-1900A/QBiP-1900AT 3.5” SBC Board Hard-
ware Information 25
3.1 Jumpers and Connectors ............................................. 26
3.2.1 BATTERY ....................................................................... 29
3.2.2 LVDS (LVDS connector).................................................. 30
3.2.3 LSW (LVDS resolution jumper) ...................................... 31
3.2.4 BKL_CN (Back light brightness control connector)....... 32
3.2.5 SODIMM (DDR3L SO-DIMM)......................................... 33
3.2.6 BUZZER.......................................................................... 34
3.2.7 FUSB20_1, FUSB2_2 (USB 2.0 header).......................... 35
3.2.8 SATA (SATA 6 Gb/s Connector).................................... 36
3.2.9 SATAPW (SATA 6 Gb/s power connector) ................... 37
3.2.10 GPIO_CNT (General Purpose input/output header) ... 38
3.2.11 JCOM11 (COM11 RI# pin RI#/5V/12V Select)................ 39
3.2.12 DC IN (DC IN 1x4pin power connector) ....................... 40
3.2.13 SYS_PANEL (Front panel header) ...................................41
3.2.14 COM1, COM2, COM3, COM4 (Serial port header) ....... 42
3.2.15 SPK_OUT (Speaker out connector) ............................... 43
3.2.16 AT_CN (AT/ATX power mode select jumper) ................ 44
3.2.17 M2M (M.2 Slot, SATA, NGFF2280) ................................ 45
3.2.18 MPCIE (M.2 Slot, E-key, NGFF2230, WiFi & Bluetooth
module) ......................................................................... 46
3.2.19 LPC_CN (LPC Connector) .............................................. 47
3.2.20 FAN (FAN Connector) ................................................... 48