The technical information in these online documents is valid for the following Xircom products: RealPortTM Ethernet 10/100+Modem 56 and CreditCard Ethernet 10/100+Modem 56.TM
This section provides the following troubleshooting information:
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Windows 2000 contains built-in drivers for the RealPort Ethernet 10/100+Modem 56 and CreditCard Ethernet 10/100+Modem 56. The built-in drivers are functional but may lack the newest features of the release included on your Xircom compact disc. Xircom recommends that you upgrade to the latest Xircom drivers to take advantage of the full functionality of your Xircom card. To update the Windows 2000 driver after completing an automatic installation of the Windows 2000 built-in driver, proceed as follows:
Note: To view driver settings, go to Start, Settings, Control Panel, double-click Network and Dial-up Connections, and double-click Local Area Connection. Select Properties, then Advanced. Driver parameters and settings are discussed later in this section.
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Windows Me includes built-in drivers for the RealPort Ethernet 10/100+Modem 56 and CreditCard Ethernet 10/100+Modem 56. These built-in drivers are functional but may lack the newest features of the release included on your Xircom compact disc. Xircom recommends that you upgrade to the latest Xircom drivers to take advantage of the full functionality of your Xircom card. To update the Windows Millennium driver after completing plug and play installation of the Windows Me built-in driver, proceed as follows:
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By default the Xircom Ethernet+Modem PC Card software automatically selects the NDIS driver required by your system. The NdisVersion keyword can also be manually set to a particular version of the NDIS driver. Files required for each version of the NDIS driver are: CEM56.SYS (NDIS3), CEM56N4.SYS (NDIS4), and CEM56N5.SYS (NDIS5). See Note 1 following the Driver Parameters table.
The user-configurable parameters listed below can be modified using the Network Control Panel built into Windows. The Control Panel applet queries the user for parameter selections and then sets the corresponding parameters in the registry. The following user-configurable parameters may be set by selecting the Advanced tab of the driver Properties:
Parameter |
Default |
Valid Values |
CableType |
Autodetect |
10B2 (coax) |
10BT/100BTX (TP) |
||
Dynamiclinkdetect |
ON |
ON |
OFF |
||
Early Transmit |
ON |
ON |
OFF |
||
Line Mode |
Autodetect |
Full Duplex |
Half Duplex |
||
Line Speed |
Autodetect |
10Mbps |
100Mbps |
||
Link Integrity |
ON |
ON |
OFF |
||
Mode |
I/O |
I/O |
Memory Mapped |
||
Ndisversion |
Autoselect |
See note 1 below |
NetworkAddress |
See note 2 below |
|
PacketPriority* |
OFF |
ON |
OFF | ||
TransmitBufferSize |
11,264 |
1024-29696 |
*Available under Windows 98 Second Edition and Windows 2000 only, and with the NDIS5 driver only. See the Driver Keywords Alphabetical Reference.
Note 1: Valid NDIS versions displayed and selectable vary with the operating system:
Windows 95OSR2: |
AutoSelect, NDIS3, NDIS4 |
Windows 98: |
AutoSelect, NDIS3, NDIS4, NDIS5 |
Windows 98SE: |
AutoSelect, NDIS3, NDIS4, NDIS5 |
Windows 2000 and Windows Me: |
"NdisVersion" does not exist and NDIS5 is the default driver. The Ndis Switcher is not used with Windows 2000 or Windows Me. |
Windows NT 4.0: |
"NdisVersion" is not supported. Use Network Card properties to change NDIS option (NDIS4 is the default). |
AutoSelect (the default) will choose the highest NDIS version supported by the OS. The user can also manually switch between the different supported versions of NDIS by going to NdisVersion in the network properties of the adapter and selecting the desired driver. Only drivers supported by the particular OS will be shown.
Note 2: The network node address can be modified by specifying a value for ‘NetworkAddress’ such as ‘0080C7112233’. If the user does NOT specify a ‘NetworkAddress’ then the CEM56.SYS driver uses the network node address contained in the Xircom Ethernet PC Card Information Structure.![]() |
For definitions of the parameter keywords, see Driver Keywords Alphabetical Reference.
Parameter | Valid Values | Registry Value |
AutoPolarity | OFF ON |
0 1 |
CableDetect | OFF ON |
0 1 |
DynamicLinkDetect | OFF ON |
0 1 |
EarlyReceive | OFF ON |
0 1 |
EarlyTransmit | OFF ON |
0 1 |
InterruptNumber | 3-15 | same |
InterruptStyle | AutoDetect PCI-IRQ ISA-IRQ |
0 1 2 |
IOBaseAddress | 0x1000-0xF800 | same |
LineMode | AutoDetect Half-Duplex Full-Duplex |
0 1 2 |
LineSpeed | AutoDetect 10Mbps 100Mbps |
0 1 2 |
LinkIntegrity | OFF ON |
0 1 |
MemoryBaseAddress | 0xC0000-B000C000 | same |
MemoryMode | OFF ON |
0 1 |
RXBUFFERSIZE | 0-100 | same |
Socket | AutoDetect 1, 2, 3 |
0, 1, 2, 3 |
TXBUFFERSIZE | 0-100 | same |
For Network Administrators Only. To modify the network node address manually, select Run, type regedit and press Return. Select HKEY_LOCAL_MACHINE, System, CurrentControlSet, Services, CEM56.SYS. Click the Edit menu, select New, String Value. Rename the new value NetworkAddress (no spaces, case sensitive), press Enter. Double-click NetworkAddress and enter the 12 digit address (no spaces) in the "Value Data" box, click OK.
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The following paragraphs present configuration guidelines for the OS/2 NDIS2 and ODI drivers. An explanation of each keyword can be found in the Keyword Alphabetical Reference.
All of the drivers described here automatically detect the speed of the network to which the adapter is attached (10Mbps or 100Mbps), unless otherwise noted. Speed can also be specified with the LINESPEED keyword.
Full-duplex operation must be explicitly configured with the LINEMODE keyword, unless the adapter is being connected to a hub which supports n-way auto-negotiation. In this case the adapter will auto-detect full-duplex operation.
OS/2 NDIS Driver Configuration Notes
The OS/2 NDIS driver XCEMNDIS.OS2 conforms to the Microsoft LAN Manager Network Driver Interface Specification (NDIS) version 2.0.1. It is an IBM OS/2-based device driver for use with OS/2 versions 2.0 and later.
The files required for using XCEMNDIS.OS2 are:
PROTOCOL.INI |
Configuration and binding information file |
XCEMOS2.NIF |
Xircom installation file for Microsoft LAN Manager |
XCEMNDIS.OS2 |
Xircom OS/2 NDIS 2.0.1 driver |
If any parameters need to be changed, use an ASCII text editor to modify the PROTOCOL.INI file with the appropriate keywords and values.
Keyword syntax for PROTOCOL.INI can be found below. Keywords are not case sensitive, and can be abbreviated to a unique sequence of initial characters (for example, IN for INTERRUPT, IO for IOADDRESS). An explanation of each keyword can be found in the Keyword Alphabetical Reference.
NDIS 2.0.1 Keywords (XCEMNDIS.OS2)
Keyword |
Valid Values |
||
CACHE |
0, 4, 8, 16, or 32 |
||
ERT |
NOT PRESENT |
||
IOADDRESS |
100 - FF80 |
||
IRQ |
3 - 15 |
||
ISAIRQ |
YES or NO |
||
LATENCY |
0 - 255 |
||
LINEMODE |
AUTO, HALF or FULL |
||
LINESPEED |
AUTO, 10 or 100 |
||
LINKDISABLE |
YES or NO |
||
MEMORY |
C0000 - 7FFFF000 |
||
MODE |
IO or MEM |
||
NOBURST |
YES or NO |
||
NOCHECK |
YES or NO |
||
NOEARLYRX |
NOT PRESENT |
||
NOEARLYTX |
NOT PRESENT |
||
NOLED |
YES or NO |
||
NOPOLL |
YES or NO |
||
NOPREFETCH |
YES or NO |
||
NOWRITEPOST |
YES or NO |
||
PCIIRQ |
YES or NO |
||
RXBUFFERSIZE |
1 - 30 |
||
SOCKET |
1 - 4 |
||
TXBUFFERSIZE |
1 - 10 |
||
VERBOSE |
YES or NO |
||
OS/2 ODI Driver Configuration Notes
The OS/2 ODI driver XCEMODI.OS2 conforms to the Novell ODI Developer's Guide for OS/2 Client Driver Hardware Specific Modules version 2.1. It is an IBM OS/2-based device driver for use with OS/2 versions 2.0 and later. The Novell OS/2 workstation ODI stack including XCEMODI.OS2 supports Novell's NetWare Requestor for OS/2 networking client environment.
Files required for using XCEMODI.OS2 include Novell OS/2 Requestor files and the following files:
NET.CFG |
Network configuration file |
XCEMODI.OS2 |
Xircom ODI driver for OS/2 |
If any parameters need to be changed, use an ASCII text editor to open and modify the NET.CFG file and insert the appropriate keywords and values after the line
LINK DRIVER XCEMODI
Keyword syntax for NET.CFG can be found below. Keywords are not case sensitive, and can be abbreviated to a unique sequence of initial characters (for example, IN for INTERRUPT, IO for IOADDRESS). An explanation of each keyword can be found in the Keyword Alphabetical Reference.
ODI (XCEMODI.OS2) Keywords
Keyword |
Valid Values |
CACHE |
0, 4, 8, 16, or 32 |
ERT |
NOT PRESENT |
IOADDRESS |
100 - FF80 |
IRQ |
3 - 15 |
ISAIRQ |
YES or NO |
LATENCY |
0 - 255 |
LINEMODE |
AUTO, HALF or FULL |
LINESPEED |
AUTO, 10 or 100 |
LINKDISABLE |
YES or NO |
MEMORY |
C0000 - 7FFFF000 |
MODE |
IO or MEM |
NOBURST |
YES or NO |
NOCHECK |
YES or NO |
NOEARLYRX |
NOT PRESENT |
NOEARLYTX |
NOT PRESENT |
NOLED |
YES or NO |
NOPOLL |
YES or NO |
NOPREFETCH |
YES or NO |
NOWRITEPOST |
YES or NO |
PCIIRQ |
YES or NO |
RXBUFFERSIZE |
1 - 30 |
SOCKET |
1 - 4 |
TXBUFFERSIZE |
1 - 10 |
VERBOSE |
YES or NO |
OS/2 Modem Enabler Configuration Notes
CMENABLE.OS2 will automatically search for the next available COM port. If there is a conflict, it will be necessary to manually assign the com port. This is done by using the COMx keyword with CMENABLE.OS2. For example, to force the com port to COM4, the following line would be put in CONFIG.SYS:
C:\IBMCOM\MACS\CMENABLE.OS2 COM4
Prior to assigning a COM port, it is necessary to find an available COM port. To find one, run OS/2's Hardware Manager. Hardware Manager will display a list of COM parts that are being used. In Hardware Manager, COM ports are listed as Serial_(Port -1) Serial Controller. The following table is an example of how the ports are listed:
Serial_0 Serial Controller |
COM1 |
Serial_1 Serial Controller |
COM2 |
Serial_2 Serial Controller |
COM3 |
Serial_3 Serial Controller |
COM4 |
Example
Hardware Manager displays the following serial ports in use:
Serial_0 Serial Controller
Serial_3 Serial Controller
This means that COM1 and COM4 are being used. Therefore, CMENABLE.OS2 should use the next available COM port, COM2. CMENABLE.OS2 would be loaded with the following line in CONFIG.SYS
DEVICE=C:\IBMCOM\MACS\CMENABLE.OS2 COM2
CMENABLE.OS2 must be loaded before COM.SYS and XCEMNDIS.OS2 or XCEMODI.OS2
OS/2 Modem Enabler Keywords (CMENABLE.OS2)
Keyword |
Valid Values |
|
CACHE |
0, 8, 16, or 32 |
|
COMx |
Auto, 1-4 |
|
IOADDRESS |
Hardware dependent |
|
IRQ |
3 - 15 |
|
ISAIRQ |
No value required |
|
LATENCY |
0 - 255 |
|
MEMORY |
Hardware dependent |
|
NOCHECK |
No value required |
|
PCIIRQ |
No value required |
|
VERBOSE |
No value required |
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The following paragraphs present configuration guidelines for each of the driver types: NDIS2, ODI, and packet. For details on individual driver parameters see the Keyword Alphabetical Reference.
All of the drivers described here automatically detect the speed of the network to which the adapter is attached (10Mbps or 100Mbps), unless otherwise noted. Speed can also be specified with the LINESPEED keyword.
Full-duplex operation must be explicitly configured with the LINEMODE keyword, unless the adapter is being connected to a hub which supports n-way auto-negotiation. In this case the adapter will autodetect full-duplex operation.
All of the DOS drivers have enhanced resource detection capability built in. The drivers will detect free system memory, IRQ, and I/O resources for use by the drivers. To use this feature, do not force a particular resource by placing a keyword in the network configuration file. This will override the automatic resource detection for that parameter.
Custom parameters for networks using the ODI driver can be entered manually, using an ASCII editor, in the NET.CFG file.
The ODI driver XCEMODI.COM conforms to the Novell ODI Specification: 16-bit DOS Client HSMs. It is a DOS-based terminate-and-stay-resident (TSR) program. The driver will configure itself according to the options specified in the NET.CFG file. This file is supplied on the Xircom CD-ROM and must be present in the same directory as the ODI driver. Files required for using XCEMODI.COM are
XCEMODI.INS | Xircom installation information file |
NET.CFG | Network configuration file |
XCEMODI.COM | Xircom ODI driver |
If any parameters need to be changed, use an ASCII text editor to open and modify the NET.CFG file and insert the appropriate keywords and values after the line
LINK DRIVER XCEMODI
Parameters can also be implemented on the command line. Command line parameters override parameters placed in the NET.CFG file.
Keyword |
Default |
Valid Values |
AUTOPOLARITY |
ON |
ON or OFF |
CABLEDETECT |
ON |
ON or OFF |
ISAIRQ |
AUTO |
no value required |
PCIIRQ |
AUTO |
no value required |
MEMORY |
AUTO |
hardware dependent |
IOADDRESS |
AUTO |
hardware dependent |
IRQ |
AUTO |
3 - 15 |
SOCKET |
AUTO |
hardware dependent |
MODE |
MEM |
IO or MEM |
NOCHECK |
ACTIVE |
|
NOLED |
ACTIVE |
|
TXBUFFERSIZE |
2 |
1 - 10 |
RXBUFFERSIZE |
15 |
1 - 30 |
ERT |
HIGH |
LOW, MEDIUM, or HIGH |
NOEARLYRX |
NOT PRESENT |
|
NOEARLYTX |
NOT PRESENT |
|
LINESPEED |
AUTO |
10 or 100 |
LINEMODE |
AUTO |
HALF or FULL |
LINKDISABLE |
NOT PRESENT |
|
NOBURST |
NOT PRESENT |
|
LATENCY |
32 |
0 - 255 |
CACHE |
8 |
0, 4, 8, 16, or 32 |
NOWRITEPOST |
NOT PRESENT |
|
NOPREFETCH |
NOT PRESENT |
|
VERBOSE |
NOT PRESENT |
|
S |
COMMAND LINE ONLY: SHOW RESIDENT LAN DRIVERS |
|
U |
COMMAND LINE ONLY: UNLOAD Drivers |
NDIS 2.0.1 Settings (for driver XCEMNDIS.EXE)
Custom parameters for the NDIS driver can be entered manually, using an ASCII editor, in the PROTOCOL.INI file.
NDIS 2.0.1 DOS Driver Configuration Notes
The DOS NDIS driver XCEMNDIS.EXE conforms to the Microsoft LAN Manager Network Driver Interface Specification (NDIS) version 2.0.1. It is a DOS-based executable terminate-and-stay-resident (TSR) program that will configure itself according to the options specified in the PROTOCOL.INI file, which is supplied on the Xircom CD-ROM.
The files required for using XCEMNDIS.EXE are:
PROTOCOL.INI Configuration and binding information file
XCEMDOS.NIF Xircom installation file for Microsoft LAN Manager
XCEMNDIS.EXE Xircom DOS NDIS 2.0.1 driver
NDIS 2.0.1 Keywords (XCEMNDIS.EXE)
Keyword |
Default |
Valid Values |
DRIVERNAME=XIRCOM$ (REQUIRED FIRST ITEM IN PROTOCOL.INI) |
||
AUTOPOLARITY |
ON |
ON or OFF |
CABLEDETECT |
ON |
ON or OFF |
ISAIRQ |
AUTO |
|
PCIIRQ |
AUTO |
|
NOPOLL |
ACTIVE |
|
MEMORY |
AUTO |
hardware dependent |
IOADDRESS |
AUTO |
hardware dependent |
IRQ |
AUTO |
3 - 15 |
SOCKET |
AUTO |
hardware dependent |
MODE |
MEM |
IO or MEM |
NOCHECK |
ACTIVE |
|
NOLED |
ACTIVE |
|
TXBUFFERSIZE |
2 |
1 - 10 |
RXBUFFERSIZE |
15 |
1 - 30 |
ERT |
HIGH |
LOW, MEDIUM, or HIGH |
NOEARLYRX |
ACTIVE |
|
NOEARLYTX |
ACTIVE |
|
LINESPEED |
AUTO |
10 or 100 |
LINEMODE |
AUTO |
HALF or FULL |
LINKDISABLE |
ACTIVE |
|
NOBURST |
ACTIVE |
|
LATENCY |
32 |
0 - 256 |
CACHE |
8 |
0, 4, 8, 16, or 32 |
NOWRITEPOST |
ACTIVE |
|
NOPREFETCH |
ACTIVE |
|
VERBOSE |
OFF |
Packet Driver Settings (for driver XCEMPD.COM)
Packet driver parameters must be stated on the XCEMPD.COM command line when running the packet driver.
Packet Driver Configuration Notes
The Xircom packet driver XCEMPD.COM conforms to FTP Software's public domain packet-driver specification. It is a DOS-based terminate-and-stay-resident (TSR) program. The driver file XCEMPD.COM is located in the \PKTDRV directory on the Xircom CD-ROM.
Refer to your network documentation for instructions on how to install the packet driver with your network. Most installations should be able to use the default settings listed below.
Keywords are not case sensitive, and can be abbreviated to a unique sequence of initial characters (for example, IN for INTERRUPT).
Packet Driver Keywords (XCEMPD.COM)
Keyword |
Default |
Valid Values |
AUTOPOLARITY |
ON |
ON or OFF |
CABLEDETECT |
ON |
ON or OFF |
ISAIRQ |
AUTO |
|
PCIIRQ |
AUTO |
|
NOPOLL |
ACTIVE |
|
MEMORY |
AUTO |
hardware dependent |
IOADDRESS |
AUTO |
hardware dependent |
IRQ |
AUTO |
3 - 15 |
SOCKET |
AUTO |
hardware dependent |
MODE |
MEM |
IO or MEM |
NOCHECK |
ACTIVE |
|
NOLED |
ACTIVE |
|
TXBUFFERSIZE |
2 |
1 - 10 |
RXBUFFERSIZE |
15 |
1 - 30 |
ERT |
HIGH |
LOW, MEDIUM, or HIGH |
NOEARLYRX |
ACTIVE |
|
NOEARLYTX |
ACTIVE |
|
LINESPEED |
AUTO |
10 or 100 |
LINEMODE |
AUTO |
HALF or FULL |
LINKDISABLE |
ACTIVE |
|
NOBURST |
ACTIVE |
|
LATENCY |
32 |
0 - 256 |
CACHE |
8 |
0, 4, 8, 16, or 32 |
NOWRITEPOST |
ACTIVE |
|
NOPREFETCH |
ACTIVE |
|
SINT |
60 |
(60 - 80) |
VERBOSE |
NOT PRESENT |
Packet Driver Example
A typical sequence for loading the packet driver XCEMPD.COM and default configuration settings is as follows:
XCEMPD ETHDRV
If configuration settings other than the defaults are required, these must be stated on the XCEMPD.COM command line. For example,
XCEMPD IOADDRESS=320 INT=7 ETHDRV
The Xircom Ethernet 10/100+Modem 56 doubles as a LAN card and fax/modem. As a modem, the Ethernet 10/100+Modem 56 features Hayes and Microcom compatibility and the latest in data transmission, data compression, and error control techniques. It can be used with most standard communications and fax software packages.
For detailed modem command information, see AT Commands.
Using Modem Communications Only under Windows 3.x
If you want to use the modem under Windows 3.x without loading a network driver, reboot the computer and run the modem driver CMENABLE.COM (found in the root directory of the Xircom CD-ROM) from the DOS prompt before launching Windows or your communications program:
CMENABLE
Installing Communications and Fax Software
The Ethernet 10/100+Modem 56 is compatible with most popular communications and fax software packages. See the directory \SCRIPTS on the Xircom CD-ROM for configuration assistance.
Running Windows Communications and Fax Software
Windows 3.x-based fax and communications programs can be started immediately once the modem has been initialized.
Running DOS Communications and Fax Software
DOS-based communications software should be run from a DOS prompt without Windows loaded. DOS software can also be run in a DOS box with Windows loaded.
Automatic COM Port Detection
The Ethernet 10/100+Modem 56 modem driver will automatically configure a COM port on the system. The driver scans the BIOS table for the first unused COM port, then checks to see if the corresponding IRQ is in use. If it is, it moves to the next available COM port.
This process takes precedence over the network resources. If you specify a network IRQ that is the same as the first available COM IRQ (3 or 4), the driver will respond with an error.
To force a COM port, use the COMx keyword described in the following heading. If you do not want a COM port, add the NOCOM keyword to your configuration file or command line.
Manually Setting COM Port
Use the COMx keyword to manually specify which COM port the Ethernet 10/100+Modem 56 should use when providing serial port emulation for modem operations. Values for x can be 1, 2, 3, or 4. Each of these settings also activates a specific set of predefined values for I/O address and interrupt level, as follows:
PORT |
IRQ |
IOADDRESS |
COM1 |
4 |
03F8 |
COM2 |
3 |
02F8 |
COM3 |
4 |
03E8 |
COM4 |
3 |
02E8 |
Do not select a COM port that is currently used by any other system device, such as the PC Card interface itself, or a mouse or trackball.
Configure your communications software to the COM port you selected with the COMx keyword.
Windows 3.x Modem Driver Settings
The modem driver CMENABLE.COM searches for an available COM port or one specified by the user and configures the Xircom hardware accordingly.
Modem Driver Configuration Notes
If you want to use the modem alone, load the modem driver CMENABLE.COM, supplied on the Xircom CD-ROM, without loading a network driver such as XCEMNDIS or XCEMODI (the Xircom Installation Program loads both modem and LAN drivers by default).
Reboot the computer and run CMENABLE.COM from the DOS prompt before launching Windows or a communications program.
CMENABLE.COM Keywords
Keyword |
Valid Values |
|
CACHE |
0, 8, 16, or 32 |
|
COMx |
Auto, 1-4 |
|
IOADDRESS |
Hardware dependent |
|
IRQ |
3 - 15 |
|
LATENCY |
0 - 255 |
|
MEMORY |
Hardware dependent |
|
NOCHECK |
No value required |
|
VERBOSE |
No value required |
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If you encounter problems with the Xircom RealPort Ethernet 10/100+Modem 56 after installation, try the following general troubleshooting measures before contacting Customer Support.
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CABLEDETECT turns the automatic cable detect feature on or off. When on, cable detect senses when there is no LAN cable attached to the card, and puts the adapter into a low-power mode. Normal power is restored when the cable is reattached.
DYNAMICLINKDETECT determines whether the network cable must be attached for the driver to load, and whether the driver detects cable removal and insertion. When set to OFF, the driver will fail to load if the network cable is not attached (and a link is not detected) at startup. When ON (default), the driver will load at startup and network cable removal and insertion will be detected at any time. Turn this parameter OFF if you are experiencing TCP/IP problems when using Dial-Up Networking.
EARLYRECEIVE turns the Xircom Advanced Look-ahead Pipelining feature on or off. Can be used to troubleshoot network problems. Use of this keyword may negatively impact performance.
EARLYTRANSMIT turns the early transmit feature on or off. Can be used to troubleshoot network problems. Use of this keyword may negatively impact performance.
INTERRUPTNUMBER specifies a hardware interrupt for use by the adapter.
INTERRUPTSTYLE forces the driver to use ISA IRQ routing or PCI IRQ routing. Some bridges have the capability of supporting both PCI and ISA style IRQ routing. Valid parameters are AutoDetect, PCI-IRQ, and ISA-IRQ.
IOBASEADDRESS specifies the base I/O address of the Xircom adapter I/O ports, in hexadecimal notation. The Xircom adapter requires 128 contiguous I/O addresses if run in I/O mode. If using memory-mapped I/O mode, no I/O ports are necessary. If not used, driver will detect an I/O port automatically.
LINEMODE selects either half-duplex or full-duplex mode for the network. Valid parameters are AutoDetect, Half-Duplex, and Full-Duplex. Selecting full-duplex enables the Ethernet 10/100+Modem 56 to send and receive data simultaneously when connected to a full-duplex hub.
LINESPEED forces operation to 10 or 100Mbps. Valid parameters are AutoDetect, 10Mbps, and 100Mbps.
LINKINTEGRITY can be used to turn link integrity off for non-IEEE 10Base-T networks. Default is ON.
MEMORYBASEADDRESS specifies the host PC memory location for the Xircom adapter in hexadecimal notation, when MODE MEMORY (memory-mapped I/O) is being used (see MODE).
MODE when set to IO disables requests for memory-mapped mode on systems that only support an I/O-driven card. The MEMORY setting provides increased performance on computers that allow simultaneous availability of memory and I/O resources.
NDISVERSION allows automatic NDIS version selection for installs under Windows 2000, 98, and 95. AutoSelect (the default) will choose the highest NDIS version supported by the operating system. The user can also manually switch between the different supported versions of NDIS by going to NDISVERSION in the network properties of the adapter and selecting the required driver. Only drivers supported by the operating system will be shown. NDIS driver selection is not supported by Windows NT 4.0. The NDIS4 driver can be installed by default from the root of the Xircom compact disc.
NETWORKADDRESS can be used to override the adapter's unique network node address by specifying a different node address.
Caution: The NETWORK ADDRESS setting should be modified only by a network administrator.
PACKETPRIORITY enables support of priority-tagged frames, which are frames that carry an IEEE 802.1p user priority value in their MAC header. It is supported only under Windows 98 Second Edition and Windows 2000, and only with the NDIS5 driver. If set to ON under NDIS3 or NDIS4, it will be automatically reset to OFF and the computer will restart.
RXBUFFERSIZE sets size of the adapter receive packet buffer. This is a decimal number in the range 1 - 100. Each packet adds approximately 1520 bytes to the resident size of the driver.
SOCKET identifies the number of the host computer's PC slot or socket into which the Xircom adapter is inserted. Valid parameters are AutoDetect, 1, 2, and 3. If a socket number is specified, only the specified socket is checked for the Xircom adapter. Under AutoDetect, the driver will automatically check all slots for the Xircom adapter.
TXBUFFERSIZE sets the size of the adapter transmit packet buffer. This
is a decimal number of transmit packets in the range 1 - 100. Each packet adds
approximately 1520 bytes to the resident size of the driver.
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