HL82571EB Intel, HL82571EB Datasheet - Page 49

• Manufacturer Part Number: HL82571EB
• Manufacturer: Intel

Specifications of HL82571EB

• Lead Free Status / RoHS Status: Not Compliant

82571/82572 Specification Update
10.
Clarification:
11.
Clarification:
12.
Clarification:
LED Modes Based On LINK Speed Only Work in Copper(Internal
PHY) Mode
THERM_Dp (D4) and THEMR_Dn (D5) are reserved and should
not be used.
TCP Segmentation Offload Operations With Both Transmit
Queues Enabled.
Developer’s Manual) based on LINK speed work only in copper mode, not SerDes mode.
This includes the modes LINK_10/1000, LINK100/1000, LINK_10, LINK_100,
LINK_1000 and COLLISION.
LINK_UP or LINK/ACTIVITY not LINK_1000.
Datasheet, are references to signals THERM_Dp (D4) and THEMR_Dn (D5), these pins
are RESERVED and should not be used in any design. These pins should be left
unconnected (floating).
6:0 "COUNT" in the TARC0 (0x03840) and TARC1 (0x3940) register must be set to 1
for proper operation. Failure to set COUNT =1 can result in the Transmit flow of the
82571/82572 halting unexpectedly
LED modes (as defined in Table 5-26 in PCIe* GbE Controllers Open Source Software
In section 3.11 and Table 32 in the Intel
When using TCP Segmentation Offload (TSO) with both Transmit Queues enabled, bits
Designs using SerDes modes requiring a Link up indication should use
®
82571 & 82572 Gigabit Ethernet Controller
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