3Com 3C990B-TX-M User Manual page 82

7 Configuring the NIC
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Option Description
Media Type Determines the type of media your network is using.
Auto Select allows the NIC to automatically select the Media
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Type for you.
If you set the NIC Duplex setting to Auto Select, the
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Media Type is automatically set to Auto Select.
If you set the NIC Duplex setting manually, you must set the
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Media Type setting manually.
Note: If you are running Windows 2000, changes made to the
Media Type setting though the 3Com NIC Diagnostics are not
reflected in the registry unless you also change the Media Select
property setting in Windows 2000:
1 In the Device Manager window, double-click Network
adapters.
2 Right-click the 3C990B NIC and select Properties.
3 Select the Advanced tab.
4 Select Media Select in the property list, and make the
appropriate setting change in the Value list.
Self Healing In BASIC mode, monitors firmware heartbeat and interrupt stalls,
and tries to automatically reset the NIC.
Also monitors link status and reports changes.
In ENHANCED mode, checks for transmit/receive errors and tries
to recover.
Error Specifies threshold levels for transmit/receive errors. An RSL failover
Tolerance or NIC reset occurs when the threshold is exceeded during the
sampling period.
High = 100 of each error category (default setting)
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Medium = 50 of each error category
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Low = 5 of each error category
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Alert Type Enabled alert types are reported to the Windows System Events
monitor. The default setting is ALL. alert types:
- Information
- Warning
- Error
Flow Control When enabled, the NIC throttles the incoming data packet stream
to prevent the input buffers from overflowing and losing packets.
Settings
AUTO
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SELECT
100BASE-TX
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(100 Mbs)
10BASE-T
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(10 Mbs)
BASIC
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Disabled
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Enhanced
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HIGH
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Medium
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Low
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Off
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Information
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Warning
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Error
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ALL
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DISABLED
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Enabled
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