ZCU111 Board User Guide 81
UG1271 (v1.1) August 6, 2018 www.xilinx.com
Chapter 3: Board Component Descriptions
• When an FMC card is attached, its IIC EEPROM is read to find a VADJ voltage supported
by both the ZCU111 board and the FMC module, within the available choices of 1.8V,
1.5V, 1.2V, and 0.0V
• If no valid information is found in an FMC card IIC EEPROM, the VADJ_FMC rail is set to
0.0V
The system controller user interface allows the FMC IPMI routine to be overridden and an
explicit value can be set for the VADJ_FMC rail. Override mode is useful for FMC mezzanine
cards that do not contain valid IPMI EPROM data defined by the ANSI/VITA57.1
specification.
ZCU111 System Controller
[Figure 2-1, callout 19]
The ZCU111 board includes an on-board system controller. A host PC resident system
controller user interface (SCUI) is provided on the ZCU111 Evaluation Kit website. This GUI
enables the query and control of select programmable features such as clocks, FMC
functionality, and power system parameters. The ZCU111 web page also includes a tutorial
on the SCUI (XTP517) [Ref 11] and board setup instructions (XTP518) [Ref 12].
A brief summary of these instructions are provided here:
1. Ensure that the Silicon Labs VCP USB-UART drivers are installed. See the Silicon Labs
CP210x USB-to-UART Installation Guide (UG1033) [Ref 14].
2. Download the SCUI host PC application.
3. Connect the micro-USB to ZCU111 USB-UART connector (J83).
4. Power-cycle the ZCU111.
5. Launch the SCUI.
The SCUI GUI is shown in Figure 3-33.
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