Intel PCI User Manual

98

 lists 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 

 is only applicable to the 82546GB/EB.

1.

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

00h
01h
02h

HW
HW
HW

Ethernet Address Byte 2
Ethernet Address Byte 4
Ethernet Address Byte 6

a

Ethernet Address Byte 1
Ethernet Address Byte 3
Ethernet Address Byte 5

IA(2,1)
IA(4,3)
IA(6,5)

LAN 
A/B 
(both)

03h

Compatibility High

Compatibility Low

0000h

both

04h

SW

SerDes Configuration

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

FFFFh

both

05h

SW

EEPROM Image Version

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

0000h

N/A

05h
06h
07h

Compatibility High
(Words 06h and 07h reserved 
for the 82541xx and 82547GI/
EI)

Compatibility Low
(Words 06h and 07h reserved 
for the 82541xx and 82547GI/
EI)

0000h
0000h
0000h

both

08h
09h

PBA, byte 1
PBA, byte 3

PBA, byte 2
PBA, byte 4

0Ah

HW

Init Control 1

4408h

640Ah for 
the 
82541xx 
and 
82547GI/EI

both

0Bh

HW

Subsystem ID (Vendor)

 for 

specific 
image 
values

both

0Ch

HW

Subsystem Vendor ID

8086h

both