EEPROM Interface

5.6EEPROM Address Map1

Table 5-2lists the EEPROM address map for the Ethernet controllers. Each word listed is described in the sections that follow.

Note: The “LAN A/B” column in Table 5-2is only applicable to the 82546GB/EB.

Table 5-2. Ethernet Controller Address Map

 

Word

Used

 

Bit

Bit

Image

LAN

 

By

15 - 8

7 - 0

Value

A/B

 

 

 

 

 

 

 

 

 

 

 

00h

HW

Ethernet Address Byte 2

Ethernet Address Byte 1

IA(2,1)

LAN

 

01h

HW

Ethernet Address Byte 4

Ethernet Address Byte 3

IA(4,3)

A/B

 

02h

HW

Ethernet Address Byte 6a

Ethernet Address Byte 5

IA(6,5)

(both)

 

03h

 

Compatibility High

Compatibility Low

0000h

both

 

 

 

 

 

 

 

 

 

 

 

 

SerDes Configuration

 

 

 

04h

SW

 

Note: Not applicable to the 82540EP/EM, 82541xx, and

FFFFh

both

 

 

 

 

82547GI/EI

 

 

 

 

 

 

 

 

 

 

05h

SW

 

EEPROM Image Version

0000h

N/A

 

 

Note: Applicable to the 82541xx and 82547GI/EI only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

05h

 

Compatibility High

Compatibility Low

0000h

 

 

 

(Words 06h and 07h reserved

(Words 06h and 07h reserved

 

 

06h

 

0000h

both

 

 

for the 82541xx and 82547GI/

for the 82541xx and 82547GI/

 

07h

 

0000h

 

 

 

EI)

EI)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

08h

 

PBA, byte 1

PBA, byte 2

 

 

 

09h

 

PBA, byte 3

PBA, byte 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4408h

 

 

0Ah

HW

 

Init Control 1

640Ah for

both

 

 

the

 

 

 

 

 

 

82541xx

 

 

 

 

 

 

 

and

 

 

 

 

 

 

 

82547GI/EI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

see Table

 

 

 

 

 

 

 

5-1for

 

 

0Bh

HW

 

Subsystem ID (Vendor)

specific

both

 

 

 

 

 

 

image

 

 

 

 

 

 

 

values

 

 

 

 

 

 

 

 

 

0Ch

HW

 

Subsystem Vendor ID

8086h

both

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.Refer to Table 5-3 for the 82544GC/EI and 82541ER EEPROM address map.

98

Software Developer’s Manual

Page 112
Image 112
Intel PCI-X manual Eeprom Address Map1, Ethernet Controller Address Map, Word Used Bit Image, For the 82541xx and 82547GI