3: Open-Q 845 µSOM Development Kit
Open-Q 845 µSOM Development Kit User Guide
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to 1A VBUS current for external devices. See item 5 in Figure 1 for the location of J2400 on the carrier
board.
If the user intend to use a mini-PCIe card on the dev kit that requires a USB connection (see 3.7.15
below), then the Mini-PCIe USB enable DIP switch S2401 (6) must be switched to closed / ON (figure
below). If the DIP switch is closed, the USB 3.1 Type A connector is not functional.
Figure 6. Mini-PCIe USB Enable DIP Switch (6)
3.7.11 Micro SD Card Socket J1500 (22)
J1500 (Micro-SD card connector) provides 4-bit secure digital (SD) interface for external storage. It is
located on the bottom side of the carrier board right under the Display Module (see figure below). The
SD interface supports High Speed mode.
