IEI Technology ROCKY-3786EV, User Manual, Page: 26 / 147

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ROCKY-3786EV CPU Card
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One PCI REQ/GNT pair can be given higher arbitration priority (intended for
external 1394 host controller)
2.7 10/100/1000Mbps Ethernet
The onboard Intel 82562ET controller (for ROCKY-3786EV) provides 10/100 Base-T
Internet connectivity to the system. The Intel 82562ET controller features are below.
IEEE 802.3 10BASE-T/100BASE-TX compliant physical layer interface
IEEE 802.3u Auto-Negotiation support
Digital Adaptive Equalization control
Link status interrupt capability
XOR Tree mode support for board testing
3-port LED support (speed, link and activity)
10BASE-T auto-polarity correction
Diagnostic loopback mode
1:1 transmit transformer ratio support
Low power (less than 300 mW in active transmit mode)
Reduced power in “unplugged mode” (less than 50 mW)
Automatic detection of “unplugged mode”
3.3 V device
48-pin Shrink Small Outline Package
Platform LAN connect interface support
The onboard Intel 82541PI controller (for ROCKY-3786EVGU2) provides GbE Ethernet
interface. The Intel 82541PI controller features are below.
IEEE 802.3 10BASE-T compliant physical layer interface
IEEE 802.3u Auto-Negotiation and 100BASE-TX support
Power Save mode switches link speed from 1000Mb/s down to 10 or 100Mb/s
PCI clock suspension for low-power mobile design
Programmable host memory receive buffers (256B to 16KB)
TCP segmentation (LSO), TCP and UDP checksum off-loading
Compliance with PCI Power Management v1.1/ACPI v2.0
Automatic link speed switching from 1000Mb/s down to 10 or 100Mb/s in
standby