Specifications

Table A–1 (Cont.) Fault Isolation By Symptom
Symptom Possible Cause Recommended Action
The Ethernet address is not
registered with the remote
boot server.
Register the Turbo
board with the server.
If the problem persists,
contact your system
administrator.
The remote boot ROM
chip is not present or is
incorrectly installed.
Check the ROM chip
installation to ensure
the chip is seated firmly
and there are no bent
pins.
The ThinWire link is not
connected correctly.
Check to see if
the coaxial cable
is connected and
terminated correctly
at each end.
The twisted-pair (TP) link
is down, signaled by the
green LED being off on
the Turbo TP/Turbo PLUS
board.
Verify that the twisted-
pair cable is connected
and correctly attached
to the HUB. A straight-
through or cross-over
type of cable may be
required.
The system is on,
but the network
does not start. The
LED is off.
The network cables
are loose or terminated
incorrectly.
Secure all cables and
terminations.
A conflict exists with
another board in the
system:
The IRQ settings are
incorrect.
Check the setup values
and reset if necessary.
The I/O address or the
memory address range is
incorrect.
Check the setup values
and reset if necessary.
(continued on next page)
A–4