Lenovo 42C1780, 42C1782, 90Y4576 User Manual
Broadcom NetXtreme Gigabit Ethernet Adapters
Product Guide
The Broadcom NetXtreme Gigabit Ethernet Adapters are a family of high performance PCI Express
adapters. The adapters are available with either two ports or four ports and are supported on ThinkSystem
and System x servers.
Figure 1 shows the Broadcom NetXtreme I Quad Port GbE Adapter.
Figure 1. Broadcom NetXtreme I Quad Port GbE Adapter
Did you know?
The NetXtreme Quad Port Ethernet Adapter is an ideal way to implement a virtualization solution using your
existing Gigabit Ethernet network. With four copper-based Gigabit ports on a single PCI Express 2.0 x4
interface, the adapter provides the density and capacity you need to support large numbers of virtualized
systems on one server.
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Broadcom NetXtreme Gigabit Ethernet Adapters 1
Part number information
The following table lists the ordering information for the adapters.
Table 1. Ordering information
Part
number
Feature
code Description
ThinkSystem options
7ZT7A00482 AUZX Lenovo ThinkSystem NetXtreme PCIe 1Gb 2-Port RJ45 Ethernet Adapter By
Broadcom
7ZT7A00484 AUZV Lenovo ThinkSystem NetXtreme PCIe 1Gb 4-Port RJ45 Ethernet Adapter By
Broadcom
System x options
90Y9370 A2V4 Broadcom NetXtreme I Dual Port GbE Adapter
90Y9352 A2V3 Broadcom NetXtreme I Quad Port GbE Adapter
42C1780* 2995 Broadcom NetXtreme 2xGbE BaseT Adapter
39Y6066* 1485 Broadcom NetXtreme 1xGbE BaseT Adapter
* Withdrawn from marketing
The part numbers for the adapters include the following items:
One Ethernet adapter with full-height (4.75-inch) bracket
Low profile (3.13-inch) bracket
Documentation flyer
Features and specifications
The adapters have the following features:
One, two, or four 10/100/1000 copper ports with RJ45 for Cat 5e/6 cabling
Full line-rate performance across all ports
Low-profile form factor - supported by the majority of System x and iDataPlex servers
PCI Express 2.0 host interface (39Y6066 is PCI Express 1.1)
Jumbo Frames support (9600 bytes frames)
IEEE 802.1q VLAN support - provides enhanced network management and efficiency
I/O virtualization (IOV) support for VMWare NetQueue and Microsoft VMQ - improves network
performance in virtualized environments
IEEE 802.3x flow control support
Receive and transmit side scaling
TCP, IP, and UDP checksum offload
Message Signaled Interrupts (MSI) and MSI-X support - Maximizes server processing performance
by reducing CPU overhead and lowering interrupt latency
On-chip temperature monitor (NetXteme I only)
IEEE 802.3az Energy Efficient Ethernet (EEE) compliant - Reduces adapter power consumption by
up to 42% through intelligent adaptive power management, adjusting power based on data traffic
load. (NetXtreme I only)
IEEE 802.3z (Clause 30) - Statistics for SNMP MIB II, Ethernet like MIB, and Ethernet MIB
Broadcom NetXtreme Gigabit Ethernet Adapters 2
(NetXtreme I only)
IEEE 1588 Precision Time Control and 802.1AS time synchronization support - Provides greater
accuracy of data packet delivery within the network (NetXtreme I only)
Management using Broadcom Advanced Control Suite (BACS), Windows Management
Instrumentation (WMI), and Broadcom Management API (BMAPI)
The following table compares the features of the cards.
Table 2. Features
ThinkSystem
4-port
ThinkSystem
2-port
NetXtreme I
quad-port
NetXtreme I
dual-port
NetXtreme
2xGbE*
NetXtreme
1xGbE*
Part number 7ZT7A00484 7ZT7A00482 90Y9352 90Y9370 42C1780 39Y6066
Chipset BCM5719 BCM5720 BCM5719 BCM5720 BCM5709C BCM5708C
RJ45 connectors 4 2 4 2 2 1
Host interface PCIe 2.0 PCIe 2.0 PCIe 2.0 PCIe 2.0 PCIe 2.0 PCIe 1.1
PCIe Lanes x4 x1 x4 x1 x4 x4
TOE support No No No No Yes
(both ports)
Yes
iSCSI offload No (SW
Initiator)
No (SW
Initiator)
No (SW
Initiator)
No (SW
Initiator)
Yes No (SW
Initiator)
Stateless offloads Yes Yes Yes Yes Yes Yes
Jumbo Frames Yes Yes Yes Yes Yes Yes
IEEE 802.1Q VLAN support Yes Yes Yes Yes Yes Yes
PXE Boot Yes Yes Yes Yes Yes Yes
iSCSI Boot Yes Yes Yes Yes Yes Yes
NIC Teaming Yes Yes Yes Yes Yes Yes
On-chip temperature
monitor
Yes Yes Yes Yes No No
IEEE 802.3az (Energy
Efficient Ethernet, EEE)
Yes Yes Yes Yes No No
IEEE 1588/802.1AS
(Precision Time Protocol,
PTP)
Yes Yes Yes Yes No No
VMware NetQueue &
Microsoft VMQ
Yes Yes Yes Yes Yes No
Statistics for SNMP MIB II Yes Yes Yes Yes No No
Form Factor Low-profile Low-profile Low-profile Low-profile Low-profile Low-profile
* Withdrawn from marketing
Broadcom NetXtreme Gigabit Ethernet Adapters 3
Physical specifications
The adapters have the following physical specifications:
Broadcom NetXtreme I Dual Port GbE Adapter and ThinkSystem 2-port adapter
Length: 109 mm (4.3")
Height: 69 mm (2.7")
Depth: 19 mm (0.74 in)
Broadcom NetXtreme I Quad Port GbE Adapter and ThinkSystem 4-port adapter
Length: 132 mm (5.2")
Height: 69 mm (2.7")
Depth: 19 mm (0.74 in)
Broadcom NetXtreme 2xGbE BaseT Adapter:
Length: 118 mm (4.66 in)
Height: 64 mm (2.53 in)
Depth: 19 mm (0.74 in)
Broadcom NetXtreme 1xGbE BaseT Adapter:
Length: 149 mm (5.875 in)
Height: 70 mm (2.75 in)
Depth: 18 mm (0.70 in)
The following figure shows the Broadcom NetXtreme I Dual Port GbE Adapter
Figure 2. Broadcom NetXtreme I Dual Port GbE Adapter
Broadcom NetXtreme Gigabit Ethernet Adapters 4
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