3Com EISA 10/100BASE-T manual Media Type, Network Driver Optimization, Full Duplex

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			Software Option Settings	3-5
Table 3-1	Software Conﬁguration Options
Table 3-1	Software Conﬁguration Options

Option		Default Setting	Available Settings

Media Type		Auto Select	Auto Select
			10BASE-T (RJ-45) (10 Mbps)
			100BASE-TX (100 Mbps)
Network Driver Optimization		Normal	Normal
			Minimized CPU Utilization
			Maximized Network Performance
Full Duplex		Disabled	Enabled (10 Mbps only)
			Disabled

Media Type

Two media speeds and the Auto Select Media Type function are available, as shown in Table 3-1. Refer to the section “Auto Select Media Type” in Chapter 2 for information on this function.

Network Driver Optimization

This option speciﬁes whether to optimize the network driver for a normal environment, minimized CPU utilization, or maximized network performance environment. You may choose to use a larger percentage of CPU resources under DOS in order to improve network throughput.

In multitasking environments, choosing the

Minimized CPU Utilization option saves the resources of the CPU for other tasks. If no other applications are making major demands on CPU resources, you may choose the Maximized Network Performance option.

Full Duplex

Full duplex refers to data communication sent and received at the same time. Full duplex operation is possible only in 10 Mbps operation when used in an environment where the switching hub supports it. Do not enable the Full Duplex option on the adapter unless your switching hub is set for full duplex. The adapter and the switching hub will not function unless they are set to the same setting.

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Contents Network Adapter Fast Etherlink Parallel TaskingUser Guide Adapters3Com Corporation 5400 Bayfront Plaza Santa Clara, California Lifetime Warranty France, Israel Contents Loading Network Drivers Cispr B Compliance Figures Tables About this Guide How to Use This GuideIntroduction Print Autolink.log ConventionsIntroduction Adapter FeaturesSingle-slot, 32-bit half-card Procedure Overview Procedures described in this guide are shown in FigureHardware Installation Overview Installing the HardwareInspecting the Adapter Installing the Boot PromInserting the Fast EtherLink Eisa Adapter Computer with PCI and Eisa Slots Name of the installed 3Com adapter appears, as shown below Conﬁrming Adapter InstallationList of devices appears, arranged by type Connecting to the Network Installing the Hardware Auto Select Media Type Adapter Conﬁguration Overview Configuring the AdapterConﬁguring the Adapter Using a NOS Other Than WindowsUsing Windows Complete one of the following instructions Software Option SettingsNetwork Driver Optimization Media TypeFull Duplex Multitasking environments, choosingAt the prompt, type Changing the SettingsI N N U Second dialog box appears Continue this procedure with any of the other optionsPress Tab to highlight OK. Press Enter Select Adapter Installed Adapters Drivers Loading NetworkLocating the Network Drivers Accessing DOSLoading NetWare ODI Drivers Describes how to access DOS from various operating systemsOne Eisa Adapter in a Client Loading Network Drivers To view the full text of the license agreement, press F1 Alternatively, at the prompt, typeHave only one 3Com Bus Master adapter installed To print the ﬁle, type Multiple Eisa Adapters in a ClientWhen the program has ﬁnished a Save the conﬁguration Repeat a for the second adapter Reboot the computer Finding the Adapter’s Slot NumberMain menu appears One Eisa Adapter in a Server Loading NetWare ODI Drivers Multiple Eisa Adapters in a ServerFinding the Adapter’s Port Address for Multiple Adapters For the latest NLMs, contact Novell For NetWare 3.12, 4.0, orLoading Non-NetWare Drivers Loading Windows 95 DriversTo load other types of network drivers, follow these steps Ndis Windows for Workgroups Ndis DriversWindows NT, version WindowsDesktop Management Interface Transcend PC Link SmartAgent Driver AgentsAdditional Drivers Illustrates how the procedures in this chapter might be used Performing Troubleshooting Diagnostic TestsBefore Running the Tests Diagnostic Tests OverviewTypes of Tests Starting the Diagnostic ProgramRunning the Group 1 Tests Command Line AccessTo run the Group 1 tests, follow these steps Press Enter to start the testsMbps or 100 Mbps Running the Group 3 TestSetting Up an Echo Server Enable the Group 3 test by selecting the Enable Group button Getting Help If a Test Fails To change the test parameters, follow these steps Changing the Test SetupMiscellaneous Checks LED LEDsPerforming Troubleshooting and Diagnostic Tests Adapter Card Speciﬁcations SpecificationsCSMA/CD local area network Local area networkWhen properly connected to a 10BASE-T network, RJ-45 Connector Pin AssignmentsCabling Requirements Maximum UTP cable distance is 100 meters at either speed3Com Bulletin Board Service On-line Technical ServicesAccess by Modem Technical SupportWorld Wide Web Site 3ComFacts Automated Fax ServiceThreeComForum on CompuServe To use ThreeComForum Log on to CompuServeLocal numbers are available within the following countries Support from Your Network SupplierDetails about recent conﬁguration changes, if applicable To obtain an RMA number, call or fax Returning Products for RepairAUI cable GlossaryBackplane BackboneBus DriverEMM386 Echo serverEthernet Server Parallel TaskingTransceiver Twisted-pairIndex SymbolsNumerics Diagnostic tests NLMs 4-10, 4-12 NETWARE\SERVER subdirectory 4-11 network Limited Warranty 3Com Corporation Bayfront Plaza Interference Handbook Cispr B Compliance