6 jumpers, Jumpers, Come-qec-1 jumpers overview – Kontron COMe Eval Carrier QorIQ User Manual
Page 32

www.kontron.com
32
Quick Start Guide
COME-QEC-1
6 Jumpers
The following table provides an overview of the jumpers available on the COME-QEC-1.
Table 19: COME-QEC-1 Jumpers Over view
JUMPER TYPE
NUMBER
DESCRIPTION
I2C ROUTE SEL EEPROM
JP1
Power-Supply to EEPROM U13
1-2: U13 is powered by V_3V3
2-3: U13 is powered by V_3V3_STDBY
Open: U13 is not powered
JP2
EEPROM U13 I2C SDA routing
1-2: U13 SDA is connected to COM Express® module
2-3: U13 SDA is connected to SM module (RFU)
Open: U13 is not connected
JP3
EEPROM U13 I2C SCL routing
1-2: U13 SCL is connected to COM Express® module
2-3: U13 SCL is connected to SM module (RFU)
Open: U13 is not connected
SATA LED
JP5
Reserved
COM0/1 TX-/RX-TERM
J13
Termination on RS422 receive signals (lower D-SUB9 connector)
Closed: 120R termination is enabled
Open: no termination
J10
Termination on RS422 transmit signals (lower D-SUB9 connector)
Closed: 120R termination is enabled
Open: no termination
J12
Termination on RS422 receive signals (upper D-SUB9 connector)
Closed: 120R termination is enabled
Open: no termination
J11
Termination on RS422 transmit signals (upper D-SUB9 connector)
Closed: 120R termination is enabled
Open: no termination
SPI SOCKET BOOT
J32
For factory use only
EXTERNAL RESET
J40
Used to connect an external reset switch (non-latching push button)
EXTERNAL POWER
J41
Used to connect an external power switch (non-latching push button)
WLAN DIS SWITCH
J42
WLAN disable for USB-WLAN functionality on SLOT1 and SLOT2 sideband connector
Open: WLAN_DISABLE# signal is not asserted
Closed: WLAN_DISABLE# signal is asserted