Intel RS3SC008 Ficha de datos Pagina 42

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Intel
®
82599 10 GbE Controller—Errata
42
44 Header Splitting Can Cause Unpredictable Behavior
Problem:
Header Splitting mode (SRRCTL.DESCTYPE=010b or 101b and PSRTYPE[11:0]0) might cause
unpredictable behavior and should not be used.
Implication:
Unpredictable behavior.
Workaround:
Header Splitting should not be enabled. Starting with Intel
®
driver Release 16.0, Header Splitting
cannot be enabled.
Status: B0=Yes; NoFix
45 PCIe Compliance Pattern Is not Transmitted When
Connected to a x4/x2/x1 Slot
Problem:
If the PCIe compliance pattern is activated by setting the Enter Compliance bit in the Link Control 2
register, the 82599 is able to transmit the compliance pattern only if it's connected to a x8 slot. If it's
connected to a x4, x2 or x1 slot, the unconnected lanes falsely cause a premature exit from the
compliance state and the pattern is not transmitted.
If a passive test load is applied on all lanes, the 82599 goes to a compliance state and transmits the
pattern accordingly, regardless of the internal lane width configuration.
Implication:
A PCIe compliance pattern cannot be transmitted if the 82599 is connected to an x4 or narrower PCIe
slot.
Workaround:
None.
Status: B0=Yes; NoFix
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