82583V Datasheet, PDF (42/374 Pages) Intel Corporation – Intel® 82583V GbE Controller

82583V GbE Controller—Initialization
B
Detect Address length of
1B or 2B based on
signature
~0
Bad
signature
82583V set to default
values
Set EEC.Auto_RD
0
Good
signature
Load base area (0x00-
0x40) from EEPROM
Set EEC.Auto_RD
~1.28
3
C
Figure 11.
82583V Initialization - EEPROM Load
Each word is read separately using a 5-byte command (1 byte instruction, 2 byte
address, and 2 byte data). Total time at 2 Mb/s is 64 words x 5 bytes x 8 bits/2 Mb/s =
1.28 ms. The rate is 20 μs per word.
42