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Appendix B. NDIS 2 device driver parameters
The following table describes the NDIS 2 device driver parameters. For sample
PROTOCOL.INI files, see Figure 3 on page 58 and Figure 4 on page 58.
Table 9. DOS and OS/2 NDIS device driver parameters in PROTOCOL.INI
Parameter Explanation
NetAddress Use this parameter to specify a locally administered address for the adapter. The address
must be enclosed in double quotes (“”) and be unique among all the addresses on the
network.
The adapter can be known on the network by its universally administered address (the
address encoded in the adapter’s memory at the factory) or a locally administered address
(a unique, user-assigned address).
The universally administered address is the default value. That address appears on the
adapter bracket. See Figure 2 on page 44 for an illustration.
Valid values: ″400000000000″ to ″7FFFFFFFFFFF″ in hex
DataRate Used for configuring the ring speed of the adapter. It is recommended for servers that the
DataRate be set to M16 or M4, and clients be set to Auto. This parameter is ignored for 100
Mbps network operation.
Valid values:
AUTO AutoSense – automatic ring-speed detection.
Note: The adapter will not function with AutoSense if it is the first one on the ring.
AutoSense is not designed for changing ring speed while the adapter is operational.
It is usually necessary to reload the driver.
M16 16-Mbps ring-speed operation.
M4 4-Mbps ring-speed operation.
The default is AUTO.
EnableTxEofInt This parameter specifies whether the Transmit End of Frame Interrupt is enabled.
Valid values:
Yes Indicates that the interrupt will be recognized by the interrupt handler.
No Indicates that the interrupt will not be recognized by the interrupt handler. This
value is preferable in some environments (such as a server environment) to reduce
the number of times the interrupt handler is invoked. This can result in reduced
CPU utilization and increased performance.
The default is Yes.
MaxTransmits (OS/2
only)
This parameter specifies the maximum number of transmit queue entries. The value should
be set high enough to accommodate the sum of all MaxTransmits for all protocol drivers
using the adapter concurrently.
Valid values: 1to128
The default is 31.
© Copyright IBM Corp. 2000 53