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VCU118 Board User Guide
15
UG1224 (v1.0) December 15, 2016
Chapter 2:
Board Setup and Configuration
Jumpers
shows the VCU118 board jumper header locations. Each numbered component
shown in the figure is keyed to
, which identifies the default jumper settings and
references the respective schematic page numbers.
X-Ref Target - Figure 2-2
Figure 2-2:
VCU118 Board Header Jumper Locations
8
6
5
7
3
1
4
2
X18026-100416
Table 2-3:
Default Jumper Settings
Jumper
Function
Default
Comments
Callout
Schematic
Page
J5
Power on reset (POR) override
2-3
U1 POR_OVERRIDE pin AG12 to GND
1
3
J7
PCIe lane size select
7-8
16-lane configuration
2
43
J8
SYSCLK source select
Off
SI5335A 300 MHz default
3
44
J9
USER/MGT_SI570 source select
Off
SI570 U32 156.250 MHz
4
45
J12
Maxim regulator inhibit
Off
Used when programming PWR. SYS.
5
59
J14
U30 VADJ_1V8 enable
Off
Input to U25 AND, VADJ_1V8
enabled
6
63