Cogent™ Quartet - Support
Cogent Quartet
PCI server adapters for Fast Ethernet and Ethernet
Adaptec’s Cogent Quartet adapters are
the ultimate performance solution for
PCI servers operating on Fast Ethernet
and Ethernet networks. With four
channels on a single board and Full
Duplex support, these adapters have
the features today’s 32-bit Fast Ethernet
and Ethernet servers need to handle
user’s graphics, multimedia, database,
and mission-critical applications.
• Four connectors supporting four
separate network segments, all
at full bandwidth
• Each of the four channels operate
at independent speeds for maximum
flexibility (10 Mbps, 20 Mbps,
100 Mbps, 200 Mbps)
• Full Duplex Fast Ethernet on UTP,
for up to 800 Mbps throughput on
one adapter
• NWay AutoSensing of maximum
line speed on 10/100 TX adapters
• Duralink™ Failover offers FDDIlike port resiliency for optimum
These innovative adapters provide
ample bandwidth for even the most
demanding networks. They support
up to four network segments on separate channels for a cumulative throughput of up to 800 Mbps (depending on
model). The Quartet adapters multiply
flexibility, performance, and cabling
compatibility by four, and provide
easy migration paths from Ethernet
to Fast Ethernet network solutions.
Key Features and Benefits
Using the Quartet adapter, I.S. organizations can increase the total network
bandwidth without the need to buy a
new server. Though the PCI bus offers
132 Mbps of bandwidth, typically only
a limited number of slots are available
thereby restricting the number of segments a server can handle. The Quartet
adapters solve this problem by providing the power of four Fast Ethernet, or
Ethernet, segments on a single adapter.
These adapters use an on-board PCI-toPCI bridge chip to extend the machine’s
internal bus. Multiple Quartets can
be installed on each server for even
greater overall bandwidth.
Flexible Configuration
The Quartet adapters support all four
network channels at full cable bandwidth. Each channel is fully independent and is automatically configured
by the system BIOS. Each of the
adapters’ four ID nodes can be
customized at load time.
The AutoSense feature of the 10/100
Mbps models allows the adapters to
automatically detect the network’s
maximum line speed. No adapter configuration is necessary. For maximum
flexibility, the AutoSense feature is
compatible with all 10 and 100 Mbps
devices, including those without NWay
line speed negotiation.
With the Quartet T4 model, cabling
plant upgrades aren’t necessary. They
run on any UTP cable currently running 10Base-T and can be used in the
future to run at 100 Mbps, providing
an easy migration path.
Resilient, Redundant Links
Duralink Failover drivers included with
each 10/100 TX adapter, ensure the
integrity of mission-critical Ethernet
server links. Duralink Failover establishes an FDDI-like port resiliency with
both active and hot-standby links. In the
event that the active link fails, the standby link is automatically activated to
preserve the network link and maintain
the server’s availability. Duralink Manager, also included, is a data compilation
tool that simplifies adapter monitoring
and configuration.
Full Duplex Mode
Full Duplex Fast Ethernet (FDFE) and
Full Duplex Ethernet (FDE) capabilities
double the cumulative system throughput in Fast Ethernet and Ethernet networks. Servers using the Quartet
adapters can handle, receive, and
transmit requests simultaneously,
over multiple ports so workstations
benefit from much faster service.
Designed for Performance
The Quartet adapters’ efficient bus
master design minimizes CPU
utilization for optimum throughput.
Independent transmit and receive
FIFO buffers (First In, First Out
memory) for each port onboard, and
a powerful DMA capability mean consistently high performance, even during
periods of peak network activity.
Cogent-to-Adaptec Model Number Conversion Chart
Cogent PCI Quartet
New Model #
Previous Model# Bus Speed
Interface Pentuim, 486, Other Pentium Pro
ANA -6944A/TX N/A
4 x 10/100 Mbps RJ-45 (4)
4 x 10/100 Mbps RJ-45 (4)
4 x 100 Mbps
RJ-45 (4)
4 x 10 Mbps
BNC (4)
4 x 10 Mbps
RJ-45 (4)
3.5” diskette – Duralink Failover and
Duralink Manager for ANA-6944A/TX
(Cogent EM 440TX PCI) at no charge.
Diagnostic LEDs:
Link Integrity for each channel (4)
Network Activity for each channel (4)
Adaptec’s Cogent adapters are protected
by a limited lifetime warranty.
Systems Supported:
Bus Interface:
Ethernet Controller:
FIFO Buffer Memory:
100 Mbps models:
Hardware Interrupts:
Base IO or Memory Address:
PCI Configuration Space:
Power Requirements:
Environmental Operating Range:
Relative Humidity:
Interface Connections:
Standards Compliance:
PCI Local Bus systems based on Intel, DEC Alpha,
MIPS, and PowerPC processors
PCI, 32-bit bus master (PCI 2.1 for ANA-6944A/TX)
DECchip LAN coprocessor chip (4)
10 Mbps models: 256 Bytes transmit, 256 Bytes
receive (per port)
(24 KBytes transmit, 4 KBytes receive per port)
PCI interrupt A, supports shared interrupts
Assigned by BIOS
Supports DWORD, WORD, and BYTE access
Calculated MTBF>100,000 hours
+5 volts @ 2 Amp. max. (ANA-6904)
+5 volts @ 3.5 Amp. max. (all other models)
Temperature: 0°C to 50°C
5% to 85% non-condensing
3000m max.
10 Mbps models
RJ-45 female (4), or BNC (4)
RJ-45 supports CAT 3, 4, and 5 UTP and Type 1 STP
BNC supports RG-58 coax cable
100 Mbps models
RJ-45 female (4)
T4 model supports CAT 3, 4, and 5 UTP and Type 1
STP for 10Base-T and 100Base-T4 operation
TX models support CAT 3, 4, and 5 UTP and Type 1
STP for 10Base-T operation, and CAT 5 UTP and
Type 1 STP for 100Base-T operation
Full Duplex support on all RJ-45 connectors on all
models for 10Base-T operation; additional Full
Duplex support on TX models for 100Base-TX operation
9.75” x 4” to conform to PCI Long Card specifications
(ANA-6904 models)
12” x 4.2” to conform to PCI Long Card specifications
(ANA-6944 models)
IEEE 802.3 10Base-2
IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX
IEEE 802.3u 100Base-T4
FCC Class A
CE Class A
Drivers Available:
3.5” diskette - Novell NetWare 3.x, 4.x, and SFT III, Windows for Workgroups (NDIS 3.0),
Windows® 95, Windows NT™ for Intel, DEC Alpha, PowerPC, and MIPS platforms, DOS NDIS
(NDIS 2.0), OS/2 Warp (NDIS 2.0), MS LAN Manager, Artisoft LANtastic, Banyan VINES DOS
client, FTP PC/TCP, DEC PathWorks, Sun Solaris, SCO OpenServer, SCO UnixWare (not all drivers
are available for every adapter). Duralink for NetWare and Windows NT servers.
Adaptec, Inc.
691 South Milpitas
Milpitas, California 95035
Tel: (408) 945-8600
Fax: (408) 262-2533
Adaptec Asia
Block 1002
Jalan Bukit Merah
Singapore 159456
Tel: (65) 273-7300
Fax: (65) 273-0163
Adaptec Europe
Dreve Richelle 161
Bldg. A, 2nd Floor
B1410 Waterloo
Tel: (32) 2-352-34-11
Fax: (32) 2-352-34-00
Pre-Sales Support:
(USA and Canada only)
(408) 957-7274
Interactive Fax:
(408) 957-7150
World Wide Web:
http: //
Internet ftp server:
Tel: {33) 1-3452-3434
Fax: (33) 1-3452-3432
Microsoft® Network:
Adaptec USA Bulletin
Board Service (BBS):
(408) 945-7727
(up to 28,800 baud, using
8 bits, 1 stop bit, no parity)
Copyright 1997 Adaptec, Inc. All rights reserved. Adaptec,
the Adaptec logo, ANA, Quartet, Duralink, and Cogent are
trademarks of Adaptec, Inc. which may be registered in some
jurisdictions. Microsoft, Windows, Windows 95, and the
Windows logo are registered trademarks, and Windows NT
is a trademark of Microsoft Corporation, used under license. All
other trademarks used are owned by their respective owners.
Information supplied by Adaptec, Inc. is believed to be accurate
and reliable at the time of printing, but Adaptec, Inc. assumes no
responsibility for any errors that may appear in this document.
Adaptec, Inc. reserves the right, without notice, to make changes
in product design or specifications. Information is subject to
change without notice.
P/N 980278-021
Latin America (Miami)
Tel: (305) 265-1387
Fax: (305) 265-0399
(USA and Canada only)
(510) 732-3829
Adaptec Japan, Ltd.
Kiocho Hills, 4F
3-32 Kiocho
Chiyoda-ku, Tokyo, 102,
Tel: (81) 3-5276-9882
Fax: (81) 3-5276-9884
Tel: (49) 89-4564060
Fax: (49) 89-4560615
United Kingdom
Tel: (44) 1252-811200
Fax: (44) 1252-811212
Printed in U.S.A.
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