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Functional Overview

    Last Modified: April 6, 2020

    The PXIe-8861 is a modular PC in a PXI Express 3U-size form factor. The following figure is a functional block diagram of the PXIe-8861. Following the diagram is a description of each logic block shown.

    Figure 1. PXIe-8861 Block Diagram

    The PXIe-8861 consists of the following logic blocks on two circuit card assemblies (CCAs):

    • The processor is an Intel® Xeon® E3-1515M v5 processor (Quad Core, 2.8 GHz base, 3.7 GHz turbo frequency).
    • The SO-DIMM block consists of two DDR4 PC-2133 SO-DIMM sockets that can hold up to 32 GB of memory.
    • The processor provides the PCI Express interface to the PXI Express backplane through a PCI Express switch.
    • The Platform Controller Hub (PCH) provides the USB, PCI Express x1, and LPC interfaces that connect to the peripherals on the PXIe-8861.
    • The DisplayPort 1.1 block consists of a 1.1 compatible DisplayPort connector nearest the USB 3.0 ports.
    • The DisplayPort 1.2 block consists of a 1.2 compatible DisplayPort connector nearest the Thunderbolt 3 connectors.
    • The USB block consists of two Hi-Speed USB 2.0 connectors and two SuperSpeed USB 3.0 connectors.
    • The Ethernet Port 0 block consists of an Intel® I219 Gigabit Ethernet Connection.
    • The Ethernet Port 1 block consists of an Intel® I210 Gigabit Ethernet Connection.
    • The UART block connects to one serial port.
    • The SMB Front Panel Trigger provides a routable connection of the PXI triggers to/from the SMB on the front panel.
    • The Watchdog block consists of a watchdog timer that can reset the controller or generate triggers.
    • The PXI Express Connectors connect the PXIe-8861 to the PXI Express/CompactPCI Express backplane.

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