Intel 82546GB/EB Network Card User Manual


 
Software Developer’s Manual 263
Register Descriptions
13.4.7.1.12 Extended PHY Status Register
EPSTATUS (15d; R)
NOTES:
1. 1000BASE-X Half Duplex only applicable to the 82544GC/EI.
2. Bit 12 = bit 13 = 1b if MODE[3:0] does not = 001xb or 0111b.
3. Bit 14 = bit 15 = 1b if MODE[3:0] = 001xb or 0111b.
Local Receiver Status 13
1b = Local Receiver OK.
0b = Local Receiver Not OK.
RO 0b 0b
MASTER/SLAVE
Configuration
Resolution
14
1b = Local PHY configuration resolved
to MASTER.
0b = Local PHY configuration resolved
to SLAVE.
RO 0b 0b
MASTER/SLAVE
Configuration Fault
15
1b = MASTER/SLAVE configuration
fault detected.
0b = No MASTER/SLAVE configuration
fault detected.
RO,
LH,
SC
0b 0b
Table 14-29. 1000BASE-T Status Register Bit Description
Field Bit(s) Description Mode HW Rst SW Rst
Table 13-30. Extended PHY Status Register Bit Description
Field Bit(s) Description Mode HW Rst SW Rst
Reserved 11:0
Reserved. Should be set to
000000000000b.
RO 000h 000h
1000BASE-T Half
Duplex
12
1b = 1000BASE-T half duplex capable.
0b = not 1000BASE-T half duplex
capable.
Note: 1000Mb-Half duplex is NOT
supported.
RO 1b
1
1. MODE[3:0] 82544GC/EI only.
1b
1
1000BASE-T Full
Duplex
13
1b = 1000BASE-T full duplex capable.
0b = Not 1000BASE-T full duplex
capable.
RO 1b
1
1b
1
1000BASE-X Half
Duplex
14
1b =1000BASE-X half duplex capable.
0b = Not 1000BASE-X half duplex
capable.
Note: 1000Mb-Half Duplex is NOT
supported.
RO 0b
1
0b
1
1000BASE-X Full
Duplex
15
1b =1000BASE-X full duplex capable.
0b = Not 1000BASE-X full duplex
capable.
RO 0b
1
0b
1