Apple System 7 Pro - Manual (Page 18)

Upgrading to System 7 Pro on Macintosh computers using TokenTalk will have no
effect on networking.
EtherTalk networks
If a network containing Macintosh EtherTalk connections has already been
upgraded to AppleTalk Phase 2, installing System 7 Pro will have no effect on
networking.
If the network has not been upgraded to AppleTalk Phase 2, the computers on
which you install System 7 Pro will be unable to communicate with the rest of
the network. To ensure compatibility, upgrade to Phase 2 before installing
System 7 Pro.
Drivers for non-Apple network cards
You must upgrade non-Apple network drivers to AppleTalk Phase 2 on all
Macintosh computers upgrading to System 7. Check with the dealer or
manufacturer of your network products for more information.
Upgrading to AppleTalk Phase 2
If you need to upgrade your network or internet to AppleTalk Phase 2, you
should do so before you install System 7 Pro.
Upgrading to AppleTalk Phase 2 involves
- upgrading network drivers on individual computers
- upgrading internet routers
Upgrading network drivers on System 7 computers
System 7 Pro includes AppleTalk Phase 2 software and an AppleTalk Phase 2
driver for LocalTalk. If the Installer detects an EtherTalk or TokenTalk
network card in the computer, it also installs the appropriate driver for
this network type.
!! IMPORTANT: The System 7 Pro Installer automatically includes the correct
network driver with the Easy Install option. If you use the Customize option,
be sure you select the appropriate network driver. Even if your computer is
already using an AppleTalk Phase 2 EtherTalk or TokenTalk driver, you must
install a new network driver for system software version 7.1.1.
!!
Upgrading network drivers on System 6 computers
To upgrade EtherTalk drivers on Macintosh computers that are not being
upgraded to System 7, use the EtherTalk software (version 2.0 or later) and
instructions furnished with the EtherTalk NB Card or the Ethernet LC Card.
using AppleTalk Phase 2. AH TokenTalk drivers support AppleTalk Phase 2.
Internet routers
A Macintosh computer used as a router does not need to be upgraded to System
7 to work with System 7 computers on the network.
Hardware-based routers that support AppleTalk Phase 2 are also compatible