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Appendix B
Default Jumper Settings
The following table lists the jumpers that must be installed on the ZCU1285 board for proper
operation. These jumpers must be installed except where specifically noted in this user guide.
IMPORTANT! Any jumper not listed in the following table should be left open for normal operation.
Table 28: Default Jumper Settings
Reference
Designator
Name
Board Location
Jumper/DIP-Switch
Position
Comments
SW2.2
VCCINT
Upper left
ENABLED
SW2.3
VCCAUX
Upper left
ENABLED
SW2.4
VCCBRAM
Upper left
ENABLED
SW2.5
VCCO_HP
Upper left
ENABLED
SW2.6
VCCO_HD
Upper left
ENABLED
SW2.7
VCCPINT
Upper left
ENABLED
SW2.8
VCCPAUX
Upper left
ENABLED
SW2.9
VCC_PSPLL
Upper left
ENABLED
SW2.10
VCCO_DDR
Upper left
ENABLED
SW2.11
VCCO_MIO
Upper left
ENABLED
SW2.12
VCCINT_AMS
Upper left
ENABLED
J87
GTY PMBUS CTRL
Upper left
GND (2-3)
J215
PMBUS CTRL
Center Left
GND (2-3)
J40
POR_OVERRIDE
Center middle
GND (2-3)
J121
DUT I2C
Upper right
GND (2-3) DIS
Disabled
J125
SYS I2C
Upper right
PWR (1-2) EN
Enabled
J154
GTY PMBUS ISO
Upper right
Installed
J8
PMBUS ISO
Upper right
Installed
J165
PS Mode Pin 0
Upper right
GND (2-3)
JTAG mode
J166
PS Mode Pin 1
Upper right
GND (2-3)
JTAG mode
J164
PS Mode Pin 2
Upper right
GND (2-3)
JTAG mode
J163
PS Mode Pin 3
Upper right
GND (2-3)
JTAG mode
J275
VTT_HP SOURCE
Upper right
VTT_HP (1-2)
J216
VTT_HD SOURCE
Lower Right
VTT_HD (1-2)
J60
APM PMBUS CTRL
Center Right
Installed
J11
CLK_DIFF_1_P
Lower Middle
Installed
Appendix B: Default Jumper Settings
UG1348 (v1.0) July 16, 2019
ZCU1285 Board User Guide
58