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| 82598EB Datasheet, PDF (183/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet | |||
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Intel® 82598EB 10 GbE Controller - Hardware EEPROM Sections
3.4.3.6.1 MAC Configuration Section â Section Length
The section length word contains the length of the section in words. Note that the sections length does
not contain the section length word itself.
3.4.3.6.2 Link Mode Configuration â Offset 1
Bit
15:1
3
12
11
10
9
8:7
6:2
1
0
Name
Default
Description
Link Mode
Select
001b
Selects the active link mode.
000b = 1 Gb/s link (no auto negotiation).
001b = 10 Gb/s link (no auto negotiation).
010b = 1 Gb/s link with clause 37 auto negotiation enable.
011b = Reserved.
100b = KX4/KX auto negotiation enable. 1 Gb/s (Clause 37) auto negotiation disable.
101b = Reserved.
110b = KX4/KX auto negotiation enable. 1 Gb/s (Clause 37) auto negotiation enable.
111b = Reserved.
These bits are mapped to AUTOC.LMS.
Restart AN
0b
Restarts the KX/KX4 auto negotiation process (self-clearing bit).
0b = No action needed.
1b = Restart KX/KX4 Auto Negotiation.
This bit is mapped to AUTOC.Restart_Auto Negotiation.
RATD
0b
Restarts auto negotiation on a transition to Dx.
This bit is loaded to AUTOC.RATD and mapped to AUTOC.RATD.
D10GMP
0b
Disables 10 Gb/s (KX4) on Dx(Dr/D3) without main power.
This bit is loaded to AUTOC.D10ODG and mapped to AUTOC.D10GMP.
1G PMA_PMD
1b
PMA/PMD used for 1 Gb/s.
0b = BX PMA/PMD.
1b = KX PMA/PMD.
This bit is mapped to AUTOC.1G_PMA_PMD.
10G PMA_PMD 00b
PMA/PMD used for 10 Gb/s.
00b = XAUI PMA/PMD.
01b = KX4 PMA/PMD.
10b = CX4 PMA/PMD.
11b = Reserved.
These bits are mapped to AUTOC.10G_PMA_PMD.
ANSF
00001b
AN Selector Field
This value is used as the selector field in the link control word during the clause 73
auto-negotiation process (default value is according to 802.3ap, draft 2.4). Mapped to
AUTOC.ANSF.
ANACK2
0b
AN ACK2 Field
This value is transmitted in the Acknowledge2 field of the null next page that is
transmitted during a next page handshake. Mapped to AUTOC.ANACK2.
Reserved
0b
Reserved.
183
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