ROCKWELL INTRODUCES PCI-BASED FAST ETHERNET ADAPTER

Wide range of drivers enhances NICs adaptability

SANTA BARBARA, Calif. (June 19, 1995) - Rockwell Network Systems, a
business unit of Rockwell International Corp., today announced the
availability of its first Fast Ethernet network interface card (NIC),
which supports the PCI (Peripheral Component Interconnect) Local Bus and
the emerging IEEE 802.3u 100BASE-TX standard. The Rockwell 2300-TX
provides 10 or 100Mbps connectivity to a wide range of PCI-based desktop
computers and servers, and is interoperable with all leading repeaters and
switching hubs. The 2300-TX supports auto negotiation for both 10 and
100Mbps operation as well as half and full duplex operation.

The Rockwell 2300-TX contains drivers for many different network operating
system environments including Power Macintosh 9500, NetWare, Windows NT,
Windows 95, UnixWare, Solaris, SCO UNIX , AIX and OS/2 environments. With
this wide array of drivers, the 2300-TX provides a high-performance Fast
Ethernet connection for the ever increasing array of PCI systems. These
computers address the need for high-volume access to servers running
graphics, multimedia and client/server applications. The 2300-TX does not
require any hardware modification to adapt to the different networking
environments it supports.

"We recognize that our customers and resellers typically are involved with
more than one network environment," said Frank Roys, Rockwell Network
Systems director of marketing. "By supporting a wide array of network
environments, we're providing our customers with a highly adaptable
product."

The 2300 Series software design is based on Rockwell's multi-tiered core
software architecture and technology, called Virtual Driver Architecture
(VDA). VDA is a common core software architecture which can be ported
across a wide range of different NICs, operating systems and network
protocol environments.

"The advantage for users of Rockwell's 2300 is its driver support for a
wider range of high performance servers than our competitors ," said Roys.
"This product is not just aimed at the desktop. It is also targeted to
high performance servers."

The 2300-TX is currently available at the US list price of $295. Additional
Fast Ethernet products are expected to be rolled out later this summer and
into the fourth quarter. These products will support other 802.3u media
interface standards such as 100BASE-T4, 100BASE-FX and the Media
Independent Interface (MII).

Rockwell Network Systems is an active participant of the IEEE 802.3u
standards committee and Fast Ethernet Alliance. The 2300-TX is
fully-compliant with the IEEE 802.3u Ethernet standards and PCI Special
Interest Group specifications.

Rockwell Network Systems, a unit of Rockwell Telecommunications, is a
leading supplier of high-performance, standards-based LAN and remote
access hardware and software to OEMs, systems integrators and value-added
resellers worldwide. Rockwell Network Systems is located at 7402 Hollister
Ave., Santa Barbara, Calif. 93117 Telephone 805-968-4262/800-262-8023.

Rockwell International Corporation (NYSE:ROK) is a diversified, high
technology company holding leadership market positions in automation,
avionics, aerospace, defense electronics, telecommunications, automotive
components and graphic systems, with annual worldwide sales of more than
$12 billion.

For more information about our products and services please email
sales@rns.rockwell.com or call 1-800-262-8023.

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