82583V Datasheet, PDF (66/374 Pages) Intel Corporation – Intel® 82583V GbE Controller

82583V GbE Controller—Non-Volatile Memory (NVM) Map
5.1.1.18 LED 1 Configuration Defaults/PHY Configuration (Word 0x1C)
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3:0
Name
Hardware
Default
NVM
Image
Setting
Description
Reserved
0b
Giga Disable 0b
Reserved
1b
Class AB
0b
Disable 1000
in non-D0a
1b
LPLU
1b
D0LPLU
0b
Reserved
1b
LED1 Blink
1b
LED1 Invert 0b
LED1 Blink
Mode
0b
Reserved
0b
LED1 Mode 0x4
0b
Reserved.
0b
When set, 1000 Mb/s operation is disabled in all power
modes.
1b
Reserved.
When set, the PHY operates in class A mode instead of class
0b
B mode. This mode only applies for 1000BASE-T operation.
10BASE-T and 100BASE-T operation continue to run in Class
B mode by default, regardless of this signal value.
1b
Disables 1000 Mb/s operation in non-D0a states.
Low Power Link Up
1b
Enables decrease in link speed in non-D0a states when the
power policy and power management state dictate so.
D0 Low Power Link Up
0b
Enables decrease in link speed in D0a state when the power
policy and power management state dictate so.
1b
Reserved.
1b
Initial Value of LED1_BLINK Field
0b = Non-blinking
0b
Initial Value of LED1_IVRT Field
0b = Active-low output
LED1 Blink Mode
0b
0b = Blinks at 200 ms on and 200 ms off.
1b = Blinks at 83 ms on and 83 ms off.
0b
Reserved.
Initial value of the LED1_MODE field specifying what event/
0x4
state/pattern is displayed on the LED1 (ACTIVITY) output. A
value of 0011b (0x3) indicates the ACTIVITY state.
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