
VCU1287 Characterization Board
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56
UG1121 (v1.0) December 11, 2015
Appendix A
Default Jumper Settings
Introduction
Table A-1
lists the jumpers that must be installed on the VCU1287 board for proper
operation. These jumpers must be installed except where specifically noted in this user
guide.
Note:
Any jumper not listed in
Table A-1
should be left open for normal operation.
Table A-1:
Default Jumper Settings
Reference
Designator
Name
Board Location
Jumper/Dip-switch
Position
Comments
SW2.1
VCCINT
Upper Left
OFF
SW2.2
VCCBRAM
Upper Left
OFF
SW2.3
VCCAUX
Upper Left
OFF
SW2.4
VCCO_HP
Upper Left
OFF
SW2.5
VCCO_HR
Upper Left
OFF
J87
MGT PMBUS CTRL
Upper Left
GND (2-3)
J8
MGT PMBUS ISO
Center Right
Installed
J121
DUT I2C
Upper Right
GND (2-3) DIS
Disabled
J125
SYS I2C
Upper Right
PWR (1-2) EN
Enabled
J24
VTT_HP SOURCE
Upper Center
GND (1-2)
Red 20A jumper
J66
VTT_HR SOURCE
Lower Left
GND (1-2)
Red 20A jumper
J11
AFX
Upper-Middle
Installed
DIFF CLK 1 P
J12
AFX
Upper-Middle
Installed
DIFF CLK 1 N
J13
AFX
Upper-Middle
Installed
DIFF CLK 2 P
J14
AFX
Upper-Middle
Installed
DIFF CLK 2 N
J160
UTIL_3V3_EN
Center-Right
EN (1-2)
SW13.1
Enable
Upper Right
OFF
Enable SD card
configuration mode
SW13.2
ADDR0
Upper Right
OFF
SW13.3
ADDR1
Upper Right
OFF
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