82583V Datasheet, PDF (289/374 Pages) Intel Corporation – Intel® 82583V GbE Controller

Driver Programing Interface—82583V GbE Controller
9.2.8.27 MAC Specific Control Register 2 (Page 2), PHY Address 01; Register 21
9.2.8.28
Bits
Field
15:14 Reserved
13:12 Reserved
11:7 Reserved
6
Reserved
5:4
Reserved
3
Block Carrier
Extension Bit
Default MAC
2:0
Interface
Speed
Mode HW Rst SW Rst
Description
R/W
R/W
R/W
R/W
R/W
R/W
0x0
0x1
0x00
0x1
0x0
0x0
R/W 0x6
0x0
Update
0x00
Update
Retain
Retain
Update
Reserved, set to 0x0.
Reserved, set to 0x1.
Reserved, set to 0x00.
Reserved, set to 0x1.
Reserved, set to 0x0.
1b = Enable block carrier extension.
0b = Disable block carrier extension.
Changes to these bits are disruptive to the normal
operation; therefore, any changes to these registers
must be followed by software reset to take effect.
MAC interface speed during link down while auto-
negotiation is enabled and TX_CLK speed bit speed
link down 1000BASE-T.
000b = 10 Mb/s 2.5 MHz 0 MHz.
001b = 100 Mb/s 25 MHz 0 MHz.
01xb = 1000 Mb/s 0 MHz 0 MHz.
100b = 10 Mb/s 2.5 MHz 2.5 MHz.
101b = 100 Mb/s 25 MHz 25 MHz.
110b = 1000 Mb/s 2.5 MHz 2.5 MHz.
111b = 1000 Mb/s 25 MHz 25 MHz.
LED[3:0] Function Control Register (Page 3), PHY Address 01;
Register 16
Bits
Field
15:12
LED[3]
Control
Mode
HW Rst
SW Rst
Description
If 16_3.11:10 is set to 11b, then 16_3.15:12 has no
effect.
0000b = Reserved.
0001b = On - link, blink - activity, off - no link.
0010b = On - link, blink - receive, off - no link.
0011b = On - activity, off - no activity
0100b = Blink - activity, off - no activity.
0101b = On - transmit, off - no transmit.
0110b = On - 10 Mb/s or 1000 Mb/s master, off.
R/W
See
Description
Retain
Else
0111b = On - full duplex, off - half-duplex.
1000b = Force off.
1001b = Force on.
1010b = Force hi-Z.
1011b = Force blink.
11xxb = Reserved.
After a hardware reset, this bit is a function of
pd_config_led_a[1:0].
00b = 0001b.
01b = 0001b.
10b = 0111b.
11b = 0001b.
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