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Overview 115
Media Type Determines the type of media your network is
using.
■ Auto Select allows the NIC to automatically
select the Media Type for you.
■ If you set the NIC Duplex setting to
Auto Select, the Media Type is
automatically set to Auto Select.
■ If you set the NIC Duplex setting manually,
you must set the 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 3CR990 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.
■ AUTO SELECT
■ 100BASE-TX
(100 Mbs)
■ 10BASE-T
(10 Mbs)
Self Healing Monitors firmware heartbeat and interrupt stalls,
and tries to automatically reset the NIC.
Also monitors link status and reports changes.
■ ENABLED
■ Disabled
Self Healing
Enhanced
Checks for transmit/receive errors and tries to
recover.
■ DISABLED
■ Enabled
Error Tolerance Specifies threshold levels fortransmit/receive
errors. An RSL failover or NIC reset occurs
when the threshold is exceeded during the
sampling period.
■ Low = 5 of each error category
■ Medium = 50 of each error category
■ High = 100 of each error category
■ Low
■ MEDIUM
■ High
Alert Type
(Windows NT)
Enabled alert types are reported to the
Windows System Events monitor.
■ Off
■ Information
■ Warning
■ Error
■ ALL
Option Description (continued) Settings