Bcm5793; C.4.5 Bcm5793 - Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual

C.4.5

BCM5793

The Sun Blade 1500 workstation uses the BCM5793 Gigabit Ethernet controller from
Broadcom. The BCM5793 is a high-performance network interface operating at 10,
100, and 1000 Mbits/second link rates.
C.4.5.1 Key Features
The following are key features of the BCM5793:
Integrated 10BASE-T/100BASE-TX/1000BASE-T transceivers
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Full-duplex support in Gb mode
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10/100/1000 tri-speed MAC
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64-bit/66MHz PCI 2.2 host interface
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MII/GMII/TBI interfaces for external transceivers
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96 KB on chip packet buffer
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Dual high-speed RISC cores with 16-KB caches
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Programmable, inline packet classification
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TCP, IP, UDP checksum
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TCP segmentation
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CPU task off load
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Adaptive interrupts
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Priority queuing-802.lp Layer 2 priority encoding support for four priority queues
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Virtual LANs-802.lq VLAN tagging support for up to 64 VLANs
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Jumbo frames (9KB)
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802.3 flow control
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Link aggregation-802.3ad, GEC/FEC, smart load balancing (supports
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heterogeneous teams)
300-pin HBGA package
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3.3v I/O
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C.4.5.2 BCM5793 Block Diagram
FIGURE C-6
shows the block diagram for the BCM5793.
Appendix C Functional Description C-19