Intel SHG2 Product Guide - Page 15

Network Controllers, Network Teaming Features

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Network Controllers The server board includes two integrated onboard Network Interface Controllers (NICs). One NIC is a 10BASE-T/100BASE-TX network solution based on the Intel 82550PM single-chip Fast Ethernet PCI Bus Controller. As a PCI bus master, the controller can burst data at up to 132 MB/s. The controller contains two receive and transmit FIFO buffers that prevent data overruns or underruns while waiting for access to the PCI bus. The controller has the following: • 32-bit PCI bus master interface (direct drive of bus), compatible with PCI Bus Specification, Revision 2.2 • Chained memory structure with improved dynamic transmit chaining for enhanced performance • Programmable transmit threshold for improved bus utilization • Early receive interrupt for concurrent processing of receive data • On-chip counters for network management • Auto-detect and auto-switching for 10 or 100 Mbps network speeds • Support for both 10 Mbps and 100 Mbps networks, capable of full or half duplex, with back-to-back transmit at 100 Mbps • Low-power +3.3 V device • Alert on LAN functionality The second NIC is an Intel 82544GC Gigabit Ethernet Controller capable of providing 10/100/1000 Mbps data rates. It is a single-chip device containing both the MAC and PHY layer functions. The 82544GC utilizes a 64-bit/100 MHz direct interface to the PCI-X bus. It is compliant with the PCI Local Bus Specification, Revision 2.2. It also supports the PCI-X extension to the PCI Local Bus, Revision 1.0a. ✏ NOTE If you install a 32/64-bit, 33/66 MHz PCI card in Add-in card slots 1 or 2, you will slow the PCI-X bus to the speed of the card you install. This will also slow the 82455GC's interface to the PCI-X bus. Network Teaming Features The network controller provides several options for increasing throughput and fault tolerance when running Windows† 2000 or NetWare† 6.0 or newer: • Adapter Fault Tolerance (AFT) - provides automatic redundancy for your adapter. If the primary adapter fails, the secondary takes over. AFT works with any hub or switch. • Adaptive Load Balancing (ALB) - creates a team of 2 - 4 adapters to increase transmission throughput. Also includes AFT. Works with any 10Base-TX or 100Base-TX switch. • Fast EtherChannel† (FEC) - creates a team of 2, 3, or 4 adapters to increase transmission and reception throughput. Also includes AFT. Requires an FEC-enabled switch. Description 15

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Description
15
Network Controllers
The server board includes two integrated onboard Network Interface Controllers (NICs).
One NIC is a 10BASE-T/100BASE-TX network solution based on the Intel 82550PM single-chip
Fast Ethernet PCI Bus Controller.
As a PCI bus master, the controller can burst data at up to
132 MB/s.
The controller contains two receive and transmit FIFO buffers that prevent data
overruns or underruns while waiting for access to the PCI bus.
The controller has the following:
•
32-bit PCI bus master interface (direct drive of bus), compatible with
PCI Bus Specification
,
Revision 2.2
•
Chained memory structure with improved dynamic transmit chaining for enhanced
performance
•
Programmable transmit threshold for improved bus utilization
•
Early receive interrupt for concurrent processing of receive data
•
On-chip counters for network management
•
Auto-detect and auto-switching for 10 or 100 Mbps network speeds
•
Support for both 10 Mbps and 100 Mbps networks, capable of full or half duplex, with
back-to-back transmit at 100 Mbps
•
Low-power +3.3 V device
•
Alert on LAN functionality
The second NIC is an Intel 82544GC Gigabit Ethernet Controller capable of providing
10/100/1000 Mbps data rates.
It is a single-chip device containing both the MAC and PHY layer
functions.
The 82544GC utilizes a 64-bit/100 MHz direct interface to the PCI-X bus.
It is compliant with the
PCI Local Bus Specification, Revision 2.2.
It also supports the PCI-X extension to the PCI Local
Bus, Revision 1.0a.
✏
NOTE
If you install a 32/64-bit, 33/66 MHz PCI card in Add-in card slots 1 or 2,
you will slow the PCI-X bus to the speed of the card you install.
This will
also slow the 82455GC
’
s interface to the PCI-X bus.
Network Teaming Features
The network controller provides several options for increasing throughput and fault tolerance when
running Windows
†
2000 or NetWare
†
6.0 or newer:
•
Adapter Fault Tolerance (AFT) - provides automatic redundancy for your adapter.
If the
primary adapter fails, the secondary takes over.
AFT works with any hub or switch.
•
Adaptive Load Balancing (ALB) - creates a team of 2 - 4 adapters to increase transmission
throughput.
Also includes AFT.
Works with any 10Base-TX or 100Base-TX switch.
•
Fast EtherChannel
†
(FEC) - creates a team of 2, 3, or 4 adapters to increase transmission and
reception throughput.
Also includes AFT.
Requires an FEC-enabled switch.