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type keyword can be set
to Auto Detect or
10BASE−T/100BaseTX.
The related port on the
attached hub or switch
must also be set to
10Mbps, full−duplex.
Xircom RealPort2
CardBus Ethernet
10/100 Adapter
(R2BE/RBE/CBE)
Models
Extremely slow
performance when
operating at 10
Mbps.
Certain 10/100
switches implement
automatic correction
for polarity−reversed
cables that are not
completely
compatible with the
same correction
provided by the
CBE/RBE. If the
network speed is
forced to 10 Mbps,
severe throughput
problems can be
experienced.
In order to resolve this
problem, a new Auto
Polarity keyword is
added in the adapter
advanced properties in
driver version 3.01. If
needed, the default
setting of ON, which
means that the card
compensates for reversed
cables, can be set to OFF
to disable polarity
correction. This restores
normal throughput.
Xircom RealPort2
CardBus Ethernet
10/100 Adapter
(R2BE/RBE/CBE)
Models
Initial network
connections can
fail. DHCP can
obtain an IP
address, and
Windows NT login
and Novell IPX can
fail.
Initialization delay.
Certain switches and
routers are unable to
immediately forward
network traffic when
a network adapter
first establishes link
to one of its ports
because of
initialization delays.
This problem is most
commonly seen when
the network adapter is
connected directly to
ports on the switch.
The adapter, by
default, when used
under some operating
systems, has almost
no delay between link
and the initial
network request.
A new keyword,
Initialization Delay, is
added to the adapter
advanced properties that
prevents forwarding of
network requests for a
user−selectable period of
time. Delays can be
added ranging from 10
seconds. In most cases, if
you add a delay in the
1› second range, it
resolves the problem.
Xircom RealPort2
CardBus Ethernet
10/100 Adapter
(R2BE/RBE/CBE)
Models
Not able to connect
to the network or
get an IP address
from the DHCP
server when
connected to a port
replicator or
docking station.
Possible Basic
Input/Output System
(BIOS) or driver
update required.
Contact vendor
support for more
information.
If you attempt to use a
CBE/CBE2/RBE in a
port replicator or docking
station, with Windows
95, and have problems,
confirm that your laptop
has the latest BIOS and
that the latest