Chapter 1 Introduction© National Instruments Corporation 1-7 VXIpc 800 Series User Manual– ACCESS LED indicates when the VXIpc 800 MODID line isasserted or the VXIbus registers or shared memory areaccessed by another bus master.– DRIVE LED indicates when the internal hard drive is in use.• Four front-panel LEDs that show Ethernet port status (VXIpc 800Series only)– RX LED indicates that the VXIpc 800 Series is receiving datathrough its Ethernet port.– TX LED indicates that the VXIpc 800 Series is transmittingdata through its Ethernet port.– DSEL LED indicates that the Ethernet circuitry is beingaccessed.– LINK LED reflects Ethernet link status.Peripheral ExpansionThe VXIpc 800 uses the PCI local bus and ISA bus for peripheralexpansion. The PCIbus is a 32-bit multimaster bus that achieves a topthroughput of 132 MB/s and can handle numerous peripherals. The ISAbus is the legacy peripheral bus found on current and older PCs.For information on installing and configuring these peripherals for usewith the VXIpc 800, refer to the c:\images\manuals directory. Thedrivers.txt file explains how to install support for each peripheral.This directory also contains manufacturer’s documentation for thevideo, PCMCIA, and SCSI peripherals. Also refer to the readme filesfor the most up-to-date information.Table 1-1 lists the various peripherals and describes the externalconnector, its bus interface, and its function.
