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6
D
T
ROUBLESHOOTING
This chapter describes how to use the ATMLink diagnostic
utility program shipped on the ATMDisk diskettes.
Overview
The ATMLink diagnostic utility and its associated help files are
in the root directory of the ATMDisk diskettes. The diagnostic
utility is an MS-DOS
the following key functions:
Detects and reports the PCI-bus slot number, interrupt
request level, base MAC address, and other configuration
data of all installed 3Com ATMLink physical NICs
Tests the operation of the 3C975 ATMLink NIC on-board
circuitry
Displays EEPROM-based device information for each
3C975 ATMLink NIC
The diagnostic test suite is divided into two groups, the
internal and external tests. Six internal tests check the integrity
of the segmentation and reassembly (SAR) controller and
associated components. The external loopback test checks the
integrity of the on-board transceiver and cable connectors.
To run the external loopback test, you must use a loopback
plug. To construct a loopback plug, see the section
"Constructing Loopback Plugs" later in this chapter.
Any individual test in the suite can be enabled or disabled.
These test configuration settings can be saved to disk. Test
results can be viewed on-screen or printed.
IAGNOSTICS AND
®
program (3C975CFG.EXE) that performs
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