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5
CONFIGURATION
This chapter describes configuration settings for the 3C395
NIC and how to change them using the Configuration and
Diagnostic Program.
Table 5-1 summarizes the configuration settings.
* In multitasking environments, choosing the Minimize CPU setting saves CPU resources
for other tasks. If no other applications are making major demands on CPU resources,
choose the Maximize Network Performance setting.
† At 100 Mbps, setting the full-duplex option to Enabled improves the performance of
switch or hub connections. The 3C395 NIC supports full-duplex mode at 10 or
100 Mbps. If a switch supports the NWay auto-negotiation feature and full-duplex
operation, the NIC automatically runs in full-duplex mode.
CAUTION: Before setting the NIC for full-duplex mode,
make sure that the port to which the NIC is connected is
also set to full-duplex mode.
Table 5-1 Configuration Settings
Option Description
Default
Setting
Available Settings
Network Driver
Optimization
*
Allows trade-offs
between network
performance and
CPU utilization.
Normal Minimize CPU Utilization,
Maximize Network
Performance, Normal.
Full-Duplex
†
Controls whether the
NIC runs in full-duplex
or half-duplex mode.
Auto Select Enabled (full-duplex mode),
Disabled (half-duplex
mode), Auto Select
(automatic selection).
Boot PROM Allows booting from a
remote device.
Disabled Disabled is the only
available setting.
Media Type Specifies the media
type.
Auto Select 10BASE-T, 100BASE-TX,
Auto Select (automatic
selection).
I/O Port
Address
Specifies the port
address.
N/A Not configurable.
Interrupt Level Specifies the interrupt
level (IRQ).
N/A Not configurable.