Config 4 - Realtek RTL8169 Manual

4 R/W
3 R
2 R
1 R
0 R

6.15 CONFIG 4

(Offset 0055h, R/W)
Bit R/W
7:5 -
4 R/W
3 -
2 R/W
1:0 -
2002/03/27
LinkUp
Link Up: This bit is valid when the PWEn bit of the CONFIG1 register
is set. The RTL8169, in an adequate power state, will assert the PMEB
signal to wakeup the operating system when the cable connection is
reestablished.
CardB_En Card Bus Enable:
1: Enable CardBus related registers and functions.
0: Disable CardBus related registers and functions.
CLKRUN_En CLKRUN Enable:
1: Enable CLKRUN.
0: Disable CLKRUN.
FuncRegEn
Functions Registers Enable (CardBus only):
1: Enable the 4 Function Registers (Function Event Register,
Function Event Mask Register, Function Present State Register, and
Function Force Event Register) for CardBus application.
0: Disable the 4 Function Registers for CardBus application.
FBtBEn
Fast Back to Back Enable: 1: Enable; 0: Disable.
Symbol
- Reserved
LWPME LANWAKE vs PMEB:
1: The LWAKE can only be asserted when the PMEB is asserted and
the ISOLATEB is low.
0: The LWAKE and PMEB are asserted at the same time.
In CardBus applications, this bit has no meaning.
- Reserved
LWPTN
LWAKE Pattern: Please refer to the LWACT bit in CONFIG1 register.
- Reserved
Description
26
RTL8169
Rev.1.21