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11.835 bytes |
Service Hints & Tips |
Document ID: GKEY-3GZGAS |
PCServer704 - Ethernet Adapter Configuration (100/10 PCI)
Applicable to: World-Wide
Ethernet Adapter Configuration (100/10 PCI)
The PC Server 704 - Type 8650 might come with an Ethernet adapter preinstalled as a standard feature. The adapter contains three LEDs visible from the back of the server that show the status of the connection, monitor read and write activity, and indicate a 100 Mbps connection. Refer to 'Ethernet Adapter Troubleshooting (100/10 PCI)— for more information.
During POST, the server automatically configures the Ethernet adapter.
The Ethernet Configuration and Drivers program comes with the system.
Note
You must use Category 5 cabling when operating the Ethernet adapter at 100Mbps.
The Ethernet Configuration and Drivers program supports the following operating systems:
OS/2 LAN Server
DOS
Windows 3.1
Windows NT Server 3.51
Novell NetWare 3.x and 4.1
Use the Ethernet Configuration and Drivers program each time you install an adapter. You can also use the program to isolate problems during troubleshooting.
Installing Multiple Adapters
Repeat the configuration procedures for each adapter that you want to install. Even though the Ethernet Configuration and Drivers program can detect all the PCI adapters in your server, you must perform the installation process before you can use the adapter.
Testing the Adapter with a Responder on the Network
The Ethernet Configuration and Drivers program can test the network more thoroughly if you have a responder on the network while running the tests.
1. Locate another workstation on the network with an Ethernet adapter installed.
2. Run the Ethernet Configuration and Drivers program for the adapter and set up the adapter as a responder.
3. Return to the server you want to test. Start the Ethernet Configuration and Drivers program and test the adapter.
Troubleshooting
Make sure that you are using the drivers that come with the adapter.
If you are upgrading an existing adapter, make sure that the load and bind statements for a Novell Netware client are:
LINK DRIVER IBMFEODI.
Make sure that you are using Category 5 cabling when operating at 100 Mbps.
Check with the LAN administrator.
Configuring for Windows NT Server 3.51
To configure the Ethernet adapter for the Windows NT Server 3.51 operating system:
1. Double-click the Network icon in the Control Panel.
2. Click the Add Adapter button.
3. Scroll to the end of the list and select< Other> Requires disk from manufacturer.
4. Insert the Ethernet Configuration and Drivers diskette in drive A and click OK.
The Ethernet Configuration and Drivers program automatically scans server resources and determines what resources
were assigned to the adapter.
5. Click Test.
If you just added the adapter, the network driver will not be active and the diagnostics will test the adapter and its
connection to the network. If you are testing an adapter that has already been installed, the network driver will probably be active and the diagnostics will test the driver. This diagnostic tracks the actual network activity of the driver.
6. Click OK to accept the configuration.
7. Click OK in the Network Settings dialog and, when prompted, restart Windows NT Server 3.51.
Troubleshooting
Make sure that you are using the drivers that came with this adapter. Make sure that the driver is loaded and the protocols are bound. See the Network Bindings dialog box in Windows NT Server 3.51 to verify this. Make sure that you are using Category 5 cabling when operating at 100 Mbps. Test the adapter using the instructions in 'Configuring for Windows NT Server 3.51". Check with the LAN administrator.
Configuring for Other Operating Systems
Refer to the help files on the Ethernet Configuration and Drivers program for instructions on configuring for other operating systems.
To view the help files, insert the Ethernet Configuration and Drivers diskette in drive A, and switch to that drive. At the operating-system prompt, type SETUP\ README. Then, press Enter.
Select Installing 100/10 PCI Ethernet adapter drivers.
Duplexing
Duplexing is a performance option that lets you choose how the adapter sends and receives packets over the network.
There are three duplex modes:
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Full duplex |
The adapter sends and receives packets at the same time, increasing adapter performance.This mode requires a full - duplex hub. |
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Half duplex |
The adapter performs one operation at a time: it either sends or receives packets. |
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Auto-negotiate |
The adapter negotiates with the hub how to send and receive packets, either full or half duplex. |
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Note | |
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You must set the adapter speed when configuring for full-duplex support. Do not leave the speed set to auto-negotiate. |
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Driver |
How To Set Duplex Mode |
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Windows NT Server 3.51 |
Define the Setup program: |
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Other |
See the README file. To view the README files, insert the Ethernet Configuration and Drivers diskette, and type SETUP\ README at the DOS prompt. Then, press Enter |
Fast Ethernet Cabling
The 100BASE-TX specifications support 100 Mbps transmission over two or four pairs of twisted-pair Ethernet cabling. In two pair cabling, one pair of cables is used for transmission, and the second is used for reception and collision detection.
Because a 125 MHz frequency is used on the wire, 100BASE-TX uses Category 5 cabling.
Segment lengths are limited to 100 meters (328 feet) with 100BASE-TX for signal timing reasons.
Fast Ethernet Hubs
New hubs are available to support a variety of Fast Ethernet LAN configurations. These hubs can be divided into two basic types: shared and switched. 100/10 PCI Ethernet adapters can be used with either type of hub for 10 Mbps or 100 Mbps operations.
Shared Hubs
In a shared network environment, servers are connected to hubs. A repeater is built into each port of the hub. All ports of the repeater hub share a fixed amount of bandwidth, or data capacity. A 100 Mbps shared hub means that all nodes on the hub must share the 100 Mbps or bandwidth. As stations are added to the hub, the effective bandwidth available to any individual station becomes smaller.
All nodes must operate at the same speed, either 10 Mbps or 100 Mbps. Fast Ethernet repeaters provide 100 Mbps of available bandwidth, ten times more than what is available with a 10 BASE-T repeater. Repeaters use a well-established, uncomplicated design, making them highly cost-effective for connecting workstations in a workgroup.
Switched Hubs
In a switched network environment, each port uses a fixed, dedicated amount of bandwidth. Network bandwidth is not shared among all stations. Each new station added to the hub receives access to the full bandwidth of the network. Data is sent only to the port that leads to the correct workstation.
If a new workstation is added to a 100 Mbps switching hub, the new workstation receives its own dedicated, 100 Mbps link that does not affect the 100 Mbps bandwidth of other workstations. Switching hubs can effectively increase the overall bandwidth available on the network, significantly improving performance.
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Hint Category |
Configuration, Hardware Maintenance Information | |
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Date Created |
12-05-97 | |
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Last Updated |
15-05-98 | |
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Revision Date |
14-05-99 | |
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Brand |
IBM PC Server | |
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Product Family |
PC Server 704 | |
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Machine Type |
8650 | |
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Model |
Various | |
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TypeModel |
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Retain Tip (if applicable) |
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Reverse Doclinks |