82571EB/82572EI EEPROM Information Guide
19
1.7.20
Device Rev ID (Word 1Eh)
1.7.21
LED 0-2 Configuration Defaults (Word 1Fh)
This EEPROM word specifies the hardware defaults for the LEDCTL register fields controlling the
LED0 (LINK_UP) and LED2 (LINK_100) output behaviors.
Table 18. Device Rev ID (Word 1Eh)
Bit
Name
Description
15
Device Power-
Down Disable
When set, enables the 82571EB/82572EI to enter power down.
0b = Disable.
1b = Enable.
14
Reserved
Reserved. Set to 1b.
13
SMBus Timeout
Cfg
0b = Timeout determined by clock or by data low.
1b = Determined by clock low.
12
iSCSI LAN 1
When set to 1b, the function 1 class code is iSCSI class code
(010000h).
When set to 0b, the function 1 class code is LAN class code (020000h).
11
iSCSI LAN 0
When set 1b, the function 0 class code is iSCSI class code (010000h).
When set to 0b, the function 0 class code is LAN class code (020000h).
10:8
Reserved
Reserved. Set to 011b.
7:0
DEVREVID
Device Rev ID. The actual device revision ID is the EEPROM value.
The value is XORed with 05h. Always set to 03h.
Table 19. LED 0-2 Configuration Defaults (Word 1Fh) (Sheet 1 of 2)
Bit
Name
Description
15
LED2 Blink
Initial value of LED2_BLINK field.
0b = Non-blinking
14
LED2 Invert
a
Initial value of LED2_IVRT field.
0b = Not inverted (active-low output).
1b = Inverted (active-high output).
13
LED2 Blink
Mode
LED2 Blink Mode.
0b = Blink at 200 ms on and 200 ms off.
1b = Blink at 83 ms on with no defined off time.
12
Reserved
Reserved. Set to 0b.
11:8
LED2 Mode
Initial value of the LED2_MODE field specifying what event/state/pattern
is displayed on the LED2 (LINK_100) output. A value of 0110b (6h)
indicates 100 MB/s operation. See
for all available LED modes.
7
LED0 Blink
Initial value of LED0_BLINK field.
0b = Non-blinking
6
LED0 Invert
a
Initial value of LED0_IVRT field.
0b = Not inverted (active-low output).
1b = Inverted (active-high output).
