BCM5706 データシートの表示（PDF） - Broadcom Corporation

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BCM5706

10/100/1000BASE-T TCP OFFLOAD ENGINE, RDMA, ISCSI/ISER AND ETHERNET CONTROLLER

Broadcom Corporation 

BCM5706

®

10/100/1000BASE-T TCP OFFLOAD ENGINE, RDMA, ISCSI/ISER AND

ETHERNET CONTROLLER

FEATURES

SUMMARY OF BENEFITS

• Single-chip solution for LAN on Motherboard (LOM) and

Network Interface Card (NIC) applications

• Integrated 10BASE-T/100BASE-TX/1000BASE-T transceivers

• Integrated SerDes (BCM5706S)

• Host interfaces

- PCI v2.3—32/64 bits, 33/66 MHz

- PCI-X v1.0—64 bits, 66/100/133 MHz

• TCP offload engine

• Full “fast Path” TCP offload

• Designed for Microsoft’s TOE Chimney Architecture

• iSCSI controller

• iSCSI initiator

• iSER (iSCSI over RDMA)

• RDMA controller (RNIC)

• RDMA over TCP (iWARP)—RDMAC 1.0 compliant

• Hardware-based data placement in application buffers without

CPU intervention (for User and Kernel modes)

• Other performance features

• TCP, IP checksum

• TCP segmentation

• Adaptive interrupts

• Message Signal Interrupt (MSI) support

• Robust manageability

• PXE 2.0 remote boot

• Alert Standard Format (ASF v1.0) support

• Wake-On LAN

• IPMI 'pass-through' mode

• Statistic gathering (SNMP MIB II, Ethernet like MIB, Ethernet

MIB (802.3x, clause 30))

• Comprehensive diagnostic and configuration software suite

• ACPI 1.1a compliant—power management

• Advanced network features

• Virtual LANs—802.1q VLAN tagging

• Jumbo frames (9 KB)

• 802.3x flow control

• Low-power CMOS design

• On-chip power circuit controller

• 400-ball 21x21 mm FBGA package

• 3.3V I/Os

• JTAG

• Industry’s smallest 10/100/1000 TOE solution—power and

space optimized for LOM and low-profile NIC applications.

• Extremely low CPU utilization for TCP/IP applications

• Host CPU is free to run application code

• Easy integration with Microsoft’s TOE Chimney Architecture

• Accelerated IP-based storage

• Lower CPU utilization for file-level storage protocols such as

CIFS and NFS

• iSCSI functionality with low CPU utilization

• RDMA support for data placement in application buffers

reduces CPU utilization and lowers data transit latencies. The

result is improved application performance and faster user

response time.

• Interoperable with:

• Broadcom’s Gigabit controller family – BCM570x

• Existing Ethernet 10/100/1000 network infrastructure

• Future-proof

• Flexible implementation for TCP, iWARP and iSCSI can

accommodate specification changes and interoperability issues

• Performance-focused – optimized for throughput and CPU

utilization

• Adaptive interrupts

• MSI allows interrupt distribution in a multi-CPU host system

• Support for PCI-X—allows sufficient bandwidth for wire

speed operation

• Robust and highly manageable

• PXE 2.0, ACPI 1.1, Wake-On LAN, ASF 1.0

• Integrated cable testing—link quality, length, pair skew, pair

polarity, pair swap

• IPMI 'pass-through' capability allows on-board management

controllers access to the network in OS-present and OS-absent

states

• Server class reliability, availability and performance features

• Link aggregation and load balancing

- Switch-dependent

• 802.3ad (LACP), generic trunking (GEC/FEC)

- Switch and NIC independent

• PCI hot plug

• Low power for zero airflow implementations

• Advanced power management

• Minimal real estate—ideal for LOM

• On-chip power circuit controller

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