Intel 82540EP/EM Network Card User Manual


 
Software Developer’s Manual 335
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 1716154 3210
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
00b
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
10b
IPv4 Address 1 Valid
IP Address 1 Valid
2
V42
V2
20b
IPv4 Address 2 Valid
IP Address 2 Valid
2
V43
V3
30b
IPv4 Address 3 Valid
IP Address 3 Valid
2
V60
3
3. Not applicable to the 82544GC/EI.
16 0b IPv6 Address 0 Valid