Troubleshooting Guide

Apple Macintosh G3
loses network
services when
the built-in
Ethernet
interface is
used.
experience this
issue. Contact
vendor
technical
support for
more
information.
Upgrade to driver
version 2.04 or later.
Apple Macintosh,
Power Macintosh G3,
and Powerbook G3
Unable to set
speed and
duplex of built-
in Ethernet
interface
manually.
Apple
Speed/Duplex
tool is required
to manually set
speed/duplex
of Ethernet
interface.
Download Apple
Speed/Duplex tool from
Apple support website.
Apple Macintosh OS
with Open Transport
2.5.1 and 2.5.2
Unable to
obtain DHCP
address from
DHCP server.
Upon bootup,
Macintosh can
fail to obtain IP
address from
DHCP server.
See Apple technical
information library
article 25049.
Apple Macintosh
Built-In Ethernet
Unable to
determine
hardware MAC
address.
In order to
troubleshoot
network
connectivity
issues, host
MAC address
can be
required.
Contact vendor
technical support.
Apple Macintosh
Performance Issues
and NuBus
Built-in
Ethernet
interfaces
outperform
NuBus
Ethernet cards.
Concern of
maximum data
transfer rate
possible with
the built-in
Ethernet.
See Apple technical
information library
article 12000.
Apple Powerbook
G3/G4 with Internal
NIC
Slow
performance
when large file
transfers are
performed.
Some NICs
can operate
out-of-
specification,
as published in
IEEE 802.3.
Some
Catalysts are
more tolerant
of out-of-spec
NICs and do
not notice any
performance
degradation.
Use of external or PC
card. Contact Apple
technical support.
Various Apple G3/G4
Laptops and
Workstations with
Internal NICs
Slow
performance.
Notable slow
performance.
Upgrade to latest NIC
driver and load
Duplexer utility. Verify
autonegotiation
settings.
AsantéFast 10/100
PCI Adapter
Slow login or
fails to log in to
server.
—
See technical
document TID1084 at
Asanté support
website.
AsantéFast 10/100
PCI Adapter
Numerous
CRC and FCS
errors reported
on switch when
connected to
Power
Macintosh
9500.
—
See technical
document TID1109 at
Asanté support
website.
AsantéFast 10/100
PCI Adapter
Slow network
throughput
after Macintosh
OS 8.5 or 8.6
upgrade.
—
See technical
document TID1976 at
Asanté support
website.
Asanté GigaNIC Network
When the
energy saver
mode is active
under OS 8.6,
the network
Turn off the energy
saver mode in the
control panel. The
network speed remains