2 mdi registers 8 - 15, 3 mdi registers 16 - 31, Mdi registers 8 - 15 – Intel 82555 User Manual
Page 35: Mdi registers 16 - 31
Datasheet
31
Networking Silicon — 82555
7.2.1.6
Register 5: Auto-Negotiation Link Partner Ability Register Bit Definitions
7.2.1.7
Register 6: Auto-Negotiation Expansion Register Bit Definitions
7.2.2
MDI Registers 8 - 15
Registers eight through fifteen are reserved for IEEE.
7.2.3
MDI Registers 16 - 31
Register numbers 16, 17, 20, 21, 22, 23, 24, 25, and 27 are described in the following subsections.
Bit(s)
Name
Description
Default
R/W
15
Next Page
This bit reflects the 82555’s link partner’s Auto-
Negotiation ability.
--
RO
14
Acknowledge
This bit is used to indicate that the 82555 has
successfully received its link partner’s Auto-
Negotiation advertising ability.
--
RO
13
Remote Fault
This bit reflects the 82555’s link partner’s Auto-
Negotiation ability.
--
RO
12:5
Technology Ability
Field
This bit reflects the 82555’s link partner’s Auto-
Negotiation ability.
--
RO
4:0
Selector Field
This bit reflects the 82555’s link partner’s Auto-
Negotiation ability.
--
RO
Bit(s)
Name
Description
Default
R/W
15:5
Reserved
These bits are reserved and should be set to a
constant 0.
0
RO
4
Parallel Detection
Fault
1 = Fault detected via parallel detection (multiple link
fault occurred)
0 = No fault detected via parallel detection
This bit will self-clear on read
0
RO
SC
LH
3
Link Partner Next
page Able
1 = Link Partner is Next Page able
0 = Link Partner is not Next Page able
0
RO
2
Next Page Able
1 = Local drive is Next Page able
0 = Local drive is not Next Page able
0
RO
1
Page Received
1 = New Page received
0 = New Page not received
This bit will self-clear on read.
0
RO
SC
LH
0
Link Partner Auto-
Negotiation Able
1 = Link Partner is Auto-Negotiation able
0 = Link Partner is not Auto-Negotiation able
0
RO