Intel Video Game Controller Intel Gigabit Ethernet Controllers User Manual

Page of 406
Software Developer’s Manual
331
Register Descriptions
13.6.4
IP Address Valid
IPAV (5838h; R/W)
The IP Address Valid indicates whether the IP addresses in the IP Address Table are valid.
The valid bits are reset any time LAN_PWR_GOOD is 0b. When AUX_POWER equals 0b, the 
valid bits are also reset by deasserting (rising edge) RST#.
31
17
16
15
4
3
2
1
0
Reserved
v60
1
1.
Not applicable to the 82544GC/EI.
Reserved
V43
V3
2
2.
82544GC/EI only.
V42
V2
2
V41
V1
2
V40
V0
2
Field
Bit(s)
Initial Value
Description
V40
V0
0
0b
1
1.
The initial value is loaded from the IP Address Valid bit of the EEPROM’s Management Control Register.
IPv4 Address 0 Valid
IP Address 0 Valid
2
2.
82544GC/EI only.
V41
V1
1
0b
IPv4 Address 1 Valid
IP Address 1 Valid
2
V42
V2
2
0b
IPv4 Address 2 Valid
IP Address 2 Valid
2
V43
V3
3
0b
IPv4 Address 3 Valid
IP Address 3 Valid
2
V60
3
3.
Not applicable to the 82544GC/EI.
16
0b
IPv6 Address 0 Valid