Version 1.1
P8 and P11
Setting
Function
1 – 2
Qseven board’s USB interface is connected to the USB connector
(Default jumpers
placement)
2 – 3
Qseven board’s USB interface is connected to the PCIe slot
Table 5.2: USB direction jumpers P8 and P11
5.3
USB MODE JUMPERS P12 AND P13
Jumpers P12 and P13 select mode of operation, when USB bus is connected to the USB connectors. USB
mode of operation can be USB3.0 or USB2.0 OTG. These two modes are available on separate USB
connectors J4 and J5 respectably. Jumpers P12 and P13 must always be set up in the same way.
Jumpers P12 and P13 are 3-pin jumpers.
This setting has no meaning when USB bus is connected to the PCIe slot.
P12 and P13
Setting
Function
1 – 2
USB bus is in USB3.0 mode, connected to the J4 connector
(Default jumpers
placement)
2 – 3
USB bus is in USB2.0 OTG mode, connected to the J5 connector
Table 5.3: USB mode jumpers P12 and P13
5.4
UART TO USB SELECTION JUMPERS P16 AND P17
Jumpers P16 and P17 select the UART interface that is connected to the UART to USB converter FT230.
This device provides serial console on USB connector J7 for easy connection to the PC. Jumpers P16 and
P17 must always be set up in the same way.
Jumpers P16 and P17 are 3-pin jumpers.
P16 and P17
Setting
Function
1 – 2
UART1 is used for serial console
2 – 3
UART2 is used for serial console
(Default jumpers placement)
Table 5.4: UART to USB selection jumpers P16 and P17
PastLS1 Qseven carrier board for Rakun LS1
