Digital Equipment Corporation Digital Semiconductor 21140A Betriebsanweisung

Digital Semiconductor 21140A10/100BASE–TX Evaluation BoardUser’s GuideOrder Number: EC–QN7QC–TERevision/Update Information: This preliminary document

1.2 EB140A–TX FeaturesThe EB140A–TX is a universal, PCI form-factor option card that has thefollowing features:• Direct interface to PCI bus• Full PCI

1.3 EB140A–TX DescriptionThe EB140A–TX is based on the 21140A with direct connections to the PCI busand the 10Mb/s Ethernet and 100Mb/s Fast Ethernet

1.3.1 Block DiagramThe EB140A–TX has the following main parts:• Digital Semiconductor 21140A for 10/100-Mb/s media access control (MAC)with MII, boot

1.4 LEDs and ConnectorsFigure 1–3 shows the LEDs and connectors for the EB140A–TX, and Table 1–1describes the components.Figure 1–3 EB140A–TX LEDs and

Table 1–1 EB140A–TX LED and Connector DescriptionsReference Component DescriptionLink status LED Indicates the link status. The single green LED displ

1.5 General-Purpose PortThe 21140A has an 8-bit, general-purpose port for setting the various operatingmodes of the EB140A–TX. CSR12 in the 21140A con

Table 1–2 General-Purpose Port Bit DescriptionsBit Description21140AOperating Mode Active Level0 Provides reset to the DP83840. Output High (1)1 Reser

1.6 EB140A–TX DimensionsThe physical dimensions of the EB140A–TX are as follows:Height: 8.6 cm (3.4 in)Width: 13.9 cm (5.5 in)Preliminary—Subject to C

2System Requirements, Kit Contents, andInstallationThis chapter describes the system requirements for using the EB140A–TX,lists the contents of the EB

July 1996While Digital believes the information included in this publication is correct as of the date ofpublication, it is subject to change without

2.2 Kit ContentsThe Digital Semiconductor 21140A 10/100BASE–TX Evaluation Board Kitcontains the following materials. For additional drivers or softwar

2.2.1 Using the DocumentationTable 2–1 provides guidelines for using the documentation to accomplishspecific tasks.Table 2–1 Guidelines for Using Docum

2.3 Installation ProcedureTo install the EB140A–TX and load the drivers, do the following:1. From the diskette that contains the driver you are loadin

ATechnical Support and OrderingInformationA.1 Obtaining Technical SupportIf you need technical support or help deciding which literature best meets yo

A.3 Ordering Digital Semiconductor LiteratureThe following table lists some of the available Digital Semiconductor literature.For a complete list, con

Mail the information to:Digital Equipment CorporationAttn: Marketing/Product Updates77 Reed Road, HLO2-2/M9Hudson, MA 01749USATo order additional driv

FCC Statement for Class A EquipmentWarning! This is a Class A product. In a domestic environment this product may cause radiointerference in which cas

ContentsPreface ... vii1 Introduction1.1 What is the EB140A–TX? . . . ... 1–

Figures1–1 Main Components of the EB140A–TX . . ... 1–31–2 EB140A–TX Block Diagram . . ... 1–41–3 EB140A–TX LEDs and

PrefaceThis document describes the Digital Semiconductor 21140A 10/100BASE–TXEvaluation Board (also referred to as the EB140A–TX), which is a samplede

1IntroductionThis chapter describes the main components of the EB140A–TX. The chapterdescribes how to interpret the LEDs and connectors on the EB140A–