iv
3Com DOS Diagnostic Program 3-2
3Com NIC Diagnostics Program 3-2
Running NIC Tests 3-2
Running the Echo Test 3-4
3Com Support Services 3-7
Accessing the Help System 3-8
Release Notes, Frequently Asked Questions,
and KnowledgeBase Topics 3-8
Removing NIC Software 3-9
Windows 95 and Windows NT 4.0 3-9
Windows NT 3.51 3-9
Frequently Asked Questions 3-10
4
C
HANGING
C
ONFIGURATION
S
ETTINGS
Using the DOS Configuration Program 4-2
Running the 3Com NIC Diagnostics Program 4-2
Displaying Configuration Settings 4-2
Changing Configuration Settings 4-4
Enabling PACE Support 4-5
A
S
PECIFICATIONS
AND
C
ABLING
R
EQUIREMENTS
Specifications A-1
Cabling Requirements A-1
Twisted-Pair Cable A-2
10BASE-T Operation A-2
10BASE-T Specifications A-3
RJ-45 Connector Pin Assignments A-3
B
C
ONFIGURING
A
DVANCED
PACE O
PTIONS
Operational Settings B-1
FIFO Packet Threshold B-1
Concurrent UDP Streams B-1
Low-Priority Ratio B-2
Natural Packet Interval B-2
Option Descriptions B-2
Disable Switch Packet Prioritization B-2
Disable Receive Packet Buffering B-3
Changing Operational Settings B-3