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Copyright
© 2000 Proxim, Inc., Sunnyvale, CA. All rights reserved. This manual and the
software described in it are copyrighted with all rights reserved. No part of this
publication may be reproduced, transmitted, transcribed, stored in a retrieval
system or translated into any language in any form by any means without the
written permission of Proxim, Incorporated.
Trademarks
RangeLAN, the RangeLAN logo, RangeLAN2, ProxLink, and Proxim are
trademarks of Proxim, Inc. All other trademarks are the property of their
respective owners.
Limited Warranty, Disclaimer, Limitation Of Liability
For a period of one (1) year from the date of purchase by the retail customer,
Proxim warrants the RangeLAN2 LAN Adapter against defects in materials and
workmanship. Proxim will not honor this warranty if there has been any attempt
to tamper with or remove the Adapter's external foil label.
This warranty does not cover and Proxim will not be liable for any damage or
failure caused by misuse, abuse, acts of God, accidents, or other causes
beyond Proxim's control, or claim by other than the original purchaser.
If, after inspection, Proxim determines there is a defect, Proxim will repair or
replace the Adapter at no cost to you. To return defective merchandise to
Proxim please call Proxim Technical Support at: (408) 731-2640 to obtain a
Return Merchandise Authorization (RMA) Number.
In no event shall Proxim, Incorporated be responsible or liable for any damages
arising:
From the use of the product;
From the loss of use, revenue or profit of the product; or
As a result of any event, circumstance, action, or abuse beyond the control
of Proxim, Incorporated;
Whether such damages be direct, indirect, consequential, special or otherwise
and whether such damages are incurred by the person to whom this warranty
extends or a third party.
Part # 7360.0053
Rev. G
i

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Summary of Contents for Proxim RangeLAN2 752 Series

  • Page 1 Proxim will not honor this warranty if there has been any attempt to tamper with or remove the Adapter's external foil label. This warranty does not cover and Proxim will not be liable for any damage or failure caused by misuse, abuse, acts of God, accidents, or other causes beyond Proxim's control, or claim by other than the original purchaser.
  • Page 2 Authorization) number from Proxim Customer Service. The product must be returned in its original packaging. The RMA number should be clearly marked on the outside of the box. Proxim cannot be held responsible for any product returned without an RMA number, and no product will be accepted without an RMA number.
  • Page 3: Table Of Contents

    Contents 1. Introduction ..............1 The RangeLAN2 Family ................2 The Product Package ................2 System Requirements ................4 2. Installing the RangeLAN2 7100 Card ......5 Default Hardware Settings for I/O Port Address ........6 Installation of the Card ................7 Antenna Installation .................
  • Page 4 6. Understanding RangeLAN2 ........43 RangeLAN2 Software Parameters ............43 Station_Type ..................43 Domain ....................44 Channel ....................45 Subchannel ..................45 Master_Name ..................46 Security ID ................... 46 MAC_Optimize ................... 47 Roam_Config ..................48 Peer_to_Peer ..................49 Node_Override ..................49 7.
  • Page 5 B. RangeLAN2 Utilities ..........62 The RangeLAN2 Site Survey & Configuration Tool & RL2SETUP ..62 Diagnostics ..................... 62 Site Survey ..................... 64 Point to Point Site Survey ..............65 Master Search ..................67 Snoop ..................... 68 Configuration Changes ................69 Setting the RangeLAN2 Security ID ............
  • Page 7: Introduction

    ODI or NDIS drivers. Your RangeLAN2 7100 wireless clients “look” like standard network nodes to the operating system. Today, Proxim is the leading supplier of spread spectrum radio networking technology for local area environments. Proxim’s unmatched spread spectrum networking expertise and the...
  • Page 8: The Rangelan2 Family

    The RangeLAN2 Family RangeLAN2 7100 is part of a family of high-performance products that provides a complete wireless networking solution. RangeLAN2 7110 is a wireless LAN adapter that fits into a standard PCI bus slot. RangeLAN2 7400 is a high performance wireless LAN adapter which fits into a PCMCIA Type II slot on a notebook, laptop, or pen-based computer.
  • Page 9 Windows NT drivers and utilities. One antenna. One RangeLAN2 User’s Guide. If any of these items are missing or damaged, please contact your reseller or Proxim Technical Support. by proxim Proxim RangeLAN2 7100 RangeLAN2 7100 Drivers...
  • Page 10: System Requirements

    System Requirements To begin using your RangeLAN2 7100 adapter, you need the following minimum system requirements: A PC/AT computer or 100% compatible with an available slot. Windows 95, Windows 98, Windows 2000, Windows NT, or a network operating system that uses ODI or NDIS drivers like NetWare 3.1X/4.X, Personal NetWare, or Windows for Workgroups.
  • Page 11: Installing The Rangelan2 7100 Card

    2. Installing the RangeLAN2 7100 Card The RangeLAN2 7100 has two hardware components: the ISA card and the antenna. See Figure 2 and Figure 3 respectively. by proxim Figure 2 RangeLAN2 7100 Card Figure 3 RangeLAN2 7100 Antenna...
  • Page 12: Default Hardware Settings For I/O Port Address

    I/O Port Address setting of 270 will work. All RangeLAN2 7100 cards are shipped with this default setting. Please confirm this setting before installing the RangeLAN2 card by matching the diagram below: End View by proxim Red LED Yellow LED acting as master when on synched to master...
  • Page 13: Installation Of The Card

    Installation of the Card After setting the I/O Port Address, you are ready to install the card. The card may be placed in either a 16-bit ISA-bus slot or an 8-bit ISA-bus slot in your computer. Turn off your computer and unplug it from the wall outlet for safety.
  • Page 14 Note: FCC regulations mandate that the RangeLAN2 7100 antenna not be alterable. Therefore, the RangeLAN2 7100 Card uses a custom antenna connector. Do not attempt to use a different antenna or you may damage the connector and the card. Figure 5 Attachment of the RangeLAN2 7100 Antenna...
  • Page 15: Windows Installation Procedure

    3. Windows Installation Procedure This chapter describes the installation of the Windows 95/98, 2000, and NT software drivers and utilities once the hardware has been installed as described in Chapter 2. Installing the Windows 95/98 Drivers & Tools The RangeLAN2 7100 ISA adapter is not a plug and play device. Once the hardware is installed, it will not be automatically de- tected by Windows 95 or Windows 98.
  • Page 16 Insert the Windows 95/98 driver diskette when prompted. A list of compatible Proxim devices will appear. Select “Proxim RangeLAN2 7100 ISA Adapter” from the list. Click <OK> to return to the “Network” screen.
  • Page 17 The installation procedure will also add a protocol called RL2API. This protocol is required for the RangeLAN2 Utilities to run in Windows 95 or Windows 98. Add any additional network components required by your net- work (such as the NetBEUI protocol or File and Printer Sharing),...
  • Page 18 and click <OK>. You will be prompted to choose a “Configura- tion Type” for the 7100 adapter. Select “Basic Configuration 0” and click <OK> to complete the installation. Note that during the installation, you may be prompted to insert the Windows 95 or 98 CD-ROM so that the installation can copy certain Windows networking files.
  • Page 19 To confirm that the driver has been loaded correctly, open the Device Manger located in the System icon and look for the “Proxim RangeLAN2 7100 ISA Adapter” entry under the Net- work Adapters category, as shown below. Double-click on the entry to view the properties for the card. The Device Status for the card should read: “This device is working...
  • Page 20 If the RangeLAN2 7100 ISA Adapter entry has an “!” or an “X” next to its description, as shown below, then the card did not install properly. Most likely, the card has a resource conflict and is trying to use an Interrupt Request (IRQ) or I/O Base Address which is either already in use or not available for use by the card.
  • Page 21 Make a note of what resources appear to be available. Go to the Network icon and highlight the “Proxim RangeLAN2 7100 ISA Adapter” entry in the configuration list. Click <Proper- ties> to enter the “Proxim RangeLAN2 7100 ISA Adapter Prop- erties”...
  • Page 22 Note: If you change the I/O Base Address value in the “Proxim RangeLAN2 7100 Adapter Properties” screen, you must also change the dip switch settings on the back of the card. See Appendix A for information on how to set the dip switch to the appropriate I/O Base Address value.
  • Page 23: Reinstalling The Windows 95/98 Driver

    Reinstalling the Windows 95/98 Driver If at any time you need to reinstall the Windows 95/98 driver, follow these steps: Remove the “Proxim RangeLAN2 7100 ISA Adapter” entry from Control Panel / Network icon. Restart the computer. Reinstall the driver following the above instructions.
  • Page 24 Open the Control Panel and double-click the Add/Remove Hardware icon to launch the Add/Remove Hardware Wizard, as shown below. Click <Next> to continue. Be patient while Windows attempts to detect a new plug and play device. Select “Add/Troubleshoot a device” within the Choose a Hardware Task screen and click <Next>.
  • Page 25 11. Point the installation wizard to search the RangeLAN2 Windows 2000 driver diskette (typically, this is drive A:). as shown below. 12. Select the “Proxim RangeLAN2 7100 ISA Network Adapter” entry from the list of Proxim adapters, as shown below, and click <Next>.
  • Page 26 13. Click <OK> when prompted that Windows could not detect the settings of the card. 14. Highlight “Interrupt Request”, as shown below, and click <Change Setting...>. 15. Scroll through the available Interrupt Requests to find a value for which “No devices are conflicting,” as shown below.
  • Page 27 Note: You may find that your computer has no free Interrupt Request available for use. In this case, try setting the Interrupt Request to a value of 3 or 4, which generally corresponds to COM2 or COM1, respectively. (This assumes that another device, such as an internal mo- dem, is not already using IRQ 3 or 4 and that you are not actively using the COM port associated with IRQ 3 or 4.)
  • Page 28 21. Click <Yes> to continue if prompted that the RangeLAN2 driver does not contain a Microsoft Digital Signature. 22. Click <OK> if prompted to insert the Proxim RangeLAN2 CD-ROM and direct Windows to search for the RL2API.SYS file on the floppy disk drive (typically, this is...
  • Page 29 Note that the RangeLAN2 7100 ISA Card will bind to any existing networking components, such as Client for Microsoft Networks and the Internet Protocol (TCP) and add the Proxim RangeLAN2 Client Protocol. If you receive an error message stating that the RangeLAN2 7100...
  • Page 30: Reinstalling The Windows 2000 Driver

    Click <Exit App> to close the Status Monitor application. Open the Control Panel and double-click the System icon. Select the Hardware tab. Click the <Device Manager> button. Expand the Network adapters category and right-click the “Proxim RangeLAN2 7100 ISA Network Adapter” entry.
  • Page 31: Installing The Windows Nt 4.0 Driver & Tools

    <Add> button and choose the <Have Disk> option. Insert the Proxim RangeLAN2 Windows NT driver diskette into the disk drive when prompted. Windows NT will create an OEM Option list. Choose “Proxim RangeLAN2 7100 ISA Adapter” from the list and click <OK> as shown below.
  • Page 32 Follow the on-screen instructions to complete the installation. When prompted to select a Bus Type and Number, choose ISA and Bus Number 0, as shown below. When the installation is complete, the Card Setup screen will appear, as shown below.
  • Page 33 Note that the IRQ Level and I/O Base Address must each be configured to a value which is not already in use or reserved by another device. Click <OK> to return to the Network Adapters screen, as shown below.
  • Page 34 Install or configure any other Network parameters, including Services or Protocols before choosing <Close>. Restart your computer when prompted to do so. After the computer restarts, the RangeLAN2 Windows NT driver should be loaded. However, if the driver did not load properly, the Windows NT Event Viewer will report that an error has occurred.
  • Page 35 See Chapter 8 for more troubleshooting suggestions. Note: If you change the I/O Base Address value in the “Proxim RangeLAN2 7100 Adapter Properties” screen, you must also change the dip switch settings on the back of the card. See Appendix A for information on how to set the dip switch to the appropriate I/O Base Address value.
  • Page 36: Reinstalling The Windows Nt 4.0 Driver

    Reinstalling the Windows NT 4.0 Driver If at any time you need to reinstall the Windows NT driver, follow these steps: Remove the device from the Adapters list in the Network icon. Remove the driver file, RL2WINNT.SYS, from the WINNT\SYSTEM32\DRIVERS directory. Reinstall the driver following the above instructions.
  • Page 37: Dos Installation

    4. DOS Installation This chapter describes the installation of the DOS driver software and utilities once the hardware has been installed, as described in Chapter 2. Installing Drivers Using RL2SETUP If your Network Operating System (NOS) does not have an installation procedure, you may use RL2SETUP to install the ODI or NDIS driver software.
  • Page 38: Installing Drivers Using The Nos Installation

    After configuring, choose <Test / Utilities> to verify your selec- tions do not conflict with other devices in the PC. Note: RL2SETUP may not run properly unless there are 512 Kbytes available DOS memory before the utility is executed. Also, note that RL2SETUP will load only if the RangeLAN2 driver is not already loaded in DOS memory.
  • Page 39: Setting Parameters For Odi And Ndis Drivers

    RL2ISA.COM is a DOS ODI driver. RL2ISA.DOS is a DOS real-mode NDIS 2 driver. If the installation procedure does not have an “OEM-supplied” option, choose a network interface card from the given list. This card's ODI or NDIS driver will then be installed. After installa- tion, you will need to manually search for all instances of this driver and replace them with either RL2ISA.COM if an ODI driver was installed or RL2ISA.DOS if an NDIS driver was...
  • Page 40: Ndis - Protocol.ini

    Sets the Channel to be used when this channel machine is acting as the Master. It is a number between 1 and 15. Sets the Subchannel to be used when this subchannel machine is acting as the Master. It is a number between 1 and 15.
  • Page 41 Sets the network Domain. This must Domain=0 match the Domain of the server to which you want to connect and be a number between 0 and 15. Sets the status of this machine as Master Station_type=1 (2), Alternate Master (1), or non-master Station (0).
  • Page 43: Wireless Topologies

    5. Wireless Topologies RangeLAN2 products look and operate similar to Ethernet prod- ucts. The only difference is that a radio replaces the wire between various nodes. This means that all of your existing applications that operate over Ethernet will work with RangeLAN2 without any special wireless networking software.
  • Page 44: Infrastructure

    Infrastructure Many companies have an existing Ethernet or wired LAN infra- structure and want to be able to extend that capability to wireless nodes. This is accomplished by attaching an Access Point to the wired LAN which allows the wireless clients to access the net- work resources.
  • Page 45 RangeLAN2 RangeLAN2 RangeLAN2 7510/7520 7510/7520 7510/7520 RangeLAN2 7400 RangeLAN2 7400 Figure 8 Roaming - Light Overlap With RangeLAN2’s multi-channel architecture, Access Points can be placed within the same cell area to increase the aggregate throughput supported by the network. In addition, the overlap- ping cells offer redundancy of coverage required in networks where downtime is not tolerable.
  • Page 46 RangeLAN2 7400 RangeLAN2 7400 RangeLAN2 7510/7520 RangeLAN2 7510/7520 RangeLAN2 7510/7520 RangeLAN2 7510/7520 RangeLAN2 7400 RangeLAN2 7400 Figure 9 Roaming - Heavy Overlap Each RangeLAN2 Access Point within a roaming network must be configured as a Master on a unique Channel/Subchannel pair, but all must have the same Domain number and Security ID.
  • Page 47 See the previous illustrations for examples of networks set up with RangeLAN2 roaming Domains. Many more network configura- tions exist. Proxim’s diverse line of RangeLAN2 products allows you to customize your wireless configuration to meet your spe- cific networking needs.
  • Page 48: Guidelines For Roaming

    Guidelines for Roaming Roaming occurs between RangeLAN2 Access Points and Extension Points. It does not occur between RangeLAN2 Ethernet Adapters or RangeLAN2 7100 ISA cards that are installed in network file servers. All RangeLAN2 Access Points must have the same Domain and Security ID.
  • Page 49: Understanding Rangelan2

    6. Understanding RangeLAN2 This chapter lays the background for understanding the radio parameters that can be configured when a RangeLAN2 7100 is installed. Refer to Chapters 3 and 4 for instructions on how to install the software driver. RangeLAN2 radios use a radio technology called frequency hopping spread spectrum.
  • Page 50: Domain

    There must be at least one RangeLAN2 device on the network designated the Master. For most network operating systems, the RangeLAN2 7510/752x Access Point should be the Master with all clients defined as Stations. In a roaming environment, all RangeLAN2 Access Points will be configured as Masters. The RangeLAN2 7100 and RangeLAN2 7400 clients are all config- ured as Stations and roam from one Master to another.
  • Page 51: Channel

    You may want to set everyone on your network to the same Domain. For larger wireless networks, use the Domain to estab- lish roaming subnetworks throughout your building. For ex- ample, the Engineering Department may use Domain 2 and the Sales Department may use Domain 5.
  • Page 52: Master_Name

    Channel does. Use a Subchannel if you need more than 15 Masters in the same area and have used all 15 Channels. For example, you can use Channel 1, Subchannel 1 for Network A and Channel 1, Subchannel 2 for Network B. The two net- works will not communicate with one another.
  • Page 53: Mac_Optimize

    However, if you do change it, then you will also need to change the Security ID on all of the other RangeLAN2 devices in order to reestablish communication between the devices. The Security ID is a string of up to 20 alphanumeric characters. There are 1,048,576 unique choices for the Security ID.
  • Page 54: Roam_Config

    Roam_Config default=1 The Roam_Config parameter allows you to determine how tolerate a Station is to radio phenomena that can cause the unit to roam from one RangeLAN2 Access Point or Extension Point to another. In areas with many RangeLAN2 Access Points (or Extension Points) that provide heavy overlapping coverage, set this param- eter to Fast to maintain high throughput for each of the wireless nodes.
  • Page 55: Peer_To_Peer

    In general, Proxim recommends that you leave this parameter set to Yes unless Stations only need to communicate with the Master and will never need to communicate with each other.
  • Page 56 020000000000 will be displayed as the node address. If you entered 040000000000, 060000000000 will be displayed as the node address. This is best understood when the digits are con- verted into binary. Each hexadecimal digit of a MAC address is represented by 4 binary characters.
  • Page 57: Performance Hints

    RangeLAN2 radios to communicate, they must be at the same frequency at the same time. Proxim has devised a method whereby one unit, called the Mas- ter, sets the pace for the other radios. All Stations look to the Master to determine where and when to hop.
  • Page 58 Each wireless cell must have only one active Master. The Master must be within range of the other wireless Stations on the network. The Master should not be a node which will be moved or turned off like a laptop or a user’s personal computer. In general, the RangeLAN2 Access Points are configured as Masters.
  • Page 59: Microwave Ovens

    The site survey tool was developed to aid in this process. Additionally, Proxim has developed some guidelines to estimate the range that users will see when the product is installed in their facility, but there are no hard and fast specifications.
  • Page 61: Troubleshooting

    Appendix F, “How to Reach Technical Support.” How to Obtain Help with Your LAN Installation If you require assistance to install your LAN, Proxim can put you in touch with a RangeLAN2 Reseller in your area. The reseller is...
  • Page 62: Commonly Asked Technical Support Questions

    Commonly Asked Technical Support Questions This section discusses some of the most common problems using the 7100 card and offers possible solutions.
  • Page 64: Other

    Other If there is additional information that becomes available after the printing of this manual, there will be a README file on the Proxim distribution diskette included in your package.
  • Page 65: Setting The Dip Switch

    A. Setting the Dip Switch Configuration of the RangeLAN2 7100 Card This section describes how to select the I/O Port Address of the RangeLAN2 7100 card using the DIP switch. Note that the setting selected using the DIP switch must match the setting specified when the software driver is configured.
  • Page 66: I/O Address Configuration

    End View by proxim Red LED Yellow LED acting as master when on synched to master Green LED Yellow LED carrier detect Figure 11 RangeLAN2 7100 Card DIP Switches I/O Address Configuration The switch selects the I/O Port Address of the board. The card consumes eight I/O addresses, starting with the Port Address selected using the switch.
  • Page 67 Base Base Address Address (HEX) (HEX) SW 1 SW 1 1 2 3 4 5 6 7 1 2 3 4 5 6 7 SW 1 SW 1 1 2 3 4 5 6 7 1 2 3 4 5 6 7 SW 1 SW 1 1 2 3 4 5 6 7...
  • Page 68: Rangelan2 Utilities

    B. RangeLAN2 Utilities The RangeLAN2 Site Survey & Configuration Tool & RL2SETUP There are two different tools provided with the RangeLAN2 7100 card for diagnostics, configuration, and site survey purposes. The RangeLAN2 Site Survey & Configuration Tool runs in Windows 95, Windows 98, Windows 2000, and Windows NT;...
  • Page 69 node address, ROM version, and synchronization status of the RangeLAN2 7100 card will be displayed. When the Windows tool launches, it will indicate whether it found the driver. The node address, ROM version, and synchro- nization status of the RangeLAN2 7100 card will be displayed.
  • Page 70: Site Survey

    Site Survey The purpose of the site survey tool is to enable users to configure their network with the appropriate number and placement of Access Points for their wireless networks. Start the site survey tool using the <Site Survey> button on the Windows tool, or the <Site Survey>...
  • Page 71: Point To Point Site Survey

    You can sort the listed units by order of arrival or by node address of the packets. Additionally, the bottom of the screen shows how many units responded to this site survey, meaning how many are within range and on the same Domain and Security ID as this unit.
  • Page 72 Radio-Level ping, but it involves the RangeLAN2 driver in the link test. Proxim recommends that you use the Radio-Level ping to per- form a site survey following the procedure outlined in the RangeLAN2 Technical Training Guide. If you would like to...
  • Page 73: Master Search

    RangeLAN2 Technical Training class in your area. Go to Proxim’s web site at http://www.proxim.com/ for more information. Proxim recommends that you use the Driver-Level ping as a troubleshooting tool in existing RangeLAN2 installations. The Driver-Level ping will provide a better analysis of a wireless...
  • Page 74: Snoop

    Snoop If you want to see the activity in the frequency band in which RangeLAN2 operates, you may want to “snoop” this band. To do so, choose the <Snoop> button in Windows, or after <Test / Utilities> from the RL2SETUP program. Both the peak and average activity levels on the different frequen- cies are displayed.
  • Page 75: Configuration Changes

    Configuration Changes Change the driver settings from the <Configuration> button of the Windows tool or from the <Configure> button on the DOS tool. Setting the RangeLAN2 Security ID As an added security measure, RangeLAN2 allows you to set a Security ID for each RangeLAN2 card installed on a network. All cards must have matching Security IDs in order to com- municate.
  • Page 76: Rangelan2 Status Monitor

    RangeLAN2 Status Monitor In Windows, after the Site Survey & Configuration Tool is installed, the RangeLAN2 Status Monitor will also be installed and loaded each time the operating system starts. The icon will change to indicate whether or not this node is within range of the Master.
  • Page 77 You can also right click on this icon to get more information about the current synchronization status. The screen shot below is from the Windows 95, 98, and NT Status Monitor: The screen shot below is from the Windows 2000 Status Monitor: Double-clicking the icon with the left mouse button launches the Site Survey &...
  • Page 78: Glossary

    C. Glossary Access Point — An internetworking device that seamlessly connects wired and wireless networks together. Bandwidth — The size (in Hertz) of the frequency range that a signal transmission occupies. Typical narrow band signals oc- cupy a 25 KHz bandwidth. The RangeLAN2 signal occupies a 1 MHz bandwidth.
  • Page 79: Parameters

    D. Parameters...
  • Page 80: Specifications

    The following technical specification is for reference purposes only. Actual product's performance and compliance with local telecommunications regulations may vary from country to country. Proxim, Inc. will only ship products that are type approved in the destination country. Bus Interface...
  • Page 81: How To Reach Technical Support

    What error message did you see? Can you reproduce the problem? What version of the RangeLAN2 7100 card and driver are you using? You can reach Proxim Technical Support by voice, fax, email, or mail: Tel: 800-477-6946 or 408-731-2640 Fax:...
  • Page 82: Index

    Index Ad Hoc 37 Bus Type 26 Channel 34, 40, 42, 45, 72, 74 Components 2–3 Switch 6, 16, 22, 23, 29, 59–61 Domain 33, 35, 40, 42, 44 DOS 3, 4. See also Drivers: NDIS; Drivers: ODI Drivers NDIS 3, 31, 32, 34–35 ODI 3, 31, 32, 33–34 Windows 2000 3, 17–24 Windows 95/98 3, 9–16...
  • Page 83 Microwave Oven 53 NET.CFG 33–34 Node_Override 49–50 Peer to Peer 34, 35, 49 Power Output 74 PROTOCOL.INI 34–35 Range 53, 74 RangeLAN2 7100 2 7400 2, 42 Access Point 2 Ethernet Adapter 2 Extension Point 2 Family 2 Serial Adapter 2 Requirements 4 Resource conflict 23 RL2SETUP 31, 62–71...
  • Page 84 Technical Support 56, 75 Token Ring 2 Uninstalling Windows 2000 driver 24 Windows 95/98 driver 17 Windows NT driver 30 Windows 2000 4, 17–24 Windows 95/98 4, 9–16, 62–71 Windows NT 4, 25–29, 62–71...

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