Register Descriptions

82541xx and 82547GI/EI Only:

Table 13-24. PHY Link Page Ability Bit Description1

Field

Bit(s)

 

Description

Mode

HW Rst

 

SW Rst

 

 

 

 

 

 

 

 

 

<00001> = IEEE 802.3

 

 

 

 

 

 

Other combinations are reserved.

 

 

 

 

Selector Field [4:0]

4:0

Unspecified or reserved combinations

RO

N/A

 

shall not be transmitted.

 

 

 

If field does not match PHY Register 4,

 

 

 

 

 

 

bits 4:0, the AN process does not

 

 

 

 

 

 

complete and no HCD is selected.

 

 

 

 

 

 

 

 

 

 

 

 

10BASE-T

5

1b

= Link Partner is 10BASE-T capable.

RO

N/A

 

0b = Link Partner is not 10BASE-T

 

 

 

capable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1b

= Link Partner is 10BASE-T full

 

 

 

 

10BASE-T Full

6

duplex capable.

RO

N/A

 

Duplex

0b = Link Partner is not 10BASE-T full

 

 

 

 

 

 

 

 

duplex capable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1b

= Link Partner is 100BASE-TX

 

 

 

 

100BASE-TX

7

capable.

RO

N/A

 

0b

= Link Partner is not 100BASE-TX

 

 

 

 

 

 

 

 

 

capable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1b

= Link Partner is 100BASE-TX full

 

 

 

 

100BASE-TX Full

8

duplex capable.

RO

N/A

 

Duplex

0b = Link Partner is not 100BASE-TX

 

 

 

 

 

 

 

 

full duplex capable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1b

= Link Partner is 100BASE-T4

 

 

 

 

100BASE-T4

9

capable.

RO

N/A

 

0b

= Link Partner is not 100BASE-T4

 

 

 

 

 

 

 

 

 

capable.

 

 

 

 

 

 

 

 

 

 

 

LP Pause

10

Link Partner uses Pause Operation as

RO

N/A

 

defined in 802.3x.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Asymmetric Pause Direction Bit

 

 

 

 

 

 

1b

= Link Partner is capable of

 

 

 

 

LP ASM_DIR

11

asymmetric pause.

RO

N/A

 

 

 

0b

= Link Partner is not capable of

 

 

 

 

 

 

asymmetric pause.

 

 

 

 

 

 

 

 

 

 

Reserved

12

Reserved. Should be set to 0b.

RO

0b

 

 

 

 

 

 

 

 

 

Remote Fault

13

1b

= Remote fault.

RO

N/A

 

0b

= No remote fault.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1b

= Link Partner has received Link

 

 

 

 

Acknowledge

14

Code Word from the PHY.

RO

N/A

 

0b

= Link Partner has not received Link

 

 

 

 

 

 

 

 

 

Code Word from the PHY.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1b

= Link Partner has ability to send

 

 

 

 

Next Page

15

multiple pages.

RO

N/A

 

0b

= Link Partner has no ability to send

 

 

 

 

 

 

 

 

 

multiple pages.

 

 

 

 

 

 

 

 

 

 

 

 

1.PHY register 8d stores the Auto-Negotiation Link Partner Received Next Pages. PHY register 5d is not used to store Next Pages. It contains the information from the last Base Page correctly received.

Software Developer’s Manual

253

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Image 267
Intel PCI-X manual 82541xx and 82547GI/EI Only, PHY Link Page Ability Bit Description1, 10BASE-T, 100BASE-TX, LP Asmdir