349
83840-546-00 D
21
Troubleshooting
Checking if Current Drivers are Loaded
Possible Problems and Solutions
Hardware Diagnostics
Loopback diagnostic tests are available for testing the adapter hardware. These
tests provide access to the adapter internal/external diagnostics, where packet
information is transmitted across the physical link (for instructions and information
on running tests in an MS-DOS environment, see
; for Windows environments, see
“Running Diagnostic Tests in Windows”
).
QCS Diagnostic Tests Failures
If any of the following tests fail while running the diagnostic tests from QCS, this
may indicate a hardware issue with the NIC or LOM that is installed in the system.
Control Registers
MII Registers
EEPROM
Internal Memory
On-Chip CPU
Interrupt
Loopback - MAC
Loopback - PHY
Test LED
Summary of Contents for 8400 Series
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