Specifications

5
Serial-over-LAN
67
Figure 16. Serial-over-LAN – cable installed for front only
Ifserialcablesareat tachedforboththefrontmoduleandtheRTM,theSuperI/O
connectsCOM1tothefrontandCOM2totherearRTM.Bothserialportsareactivewithin
theOSenvironment.Additionally,theIPMCsnoopsCOM1iftheCOM1GPIOislow,and
snoopsCOM2iftheCOM1_GPIOishigh.Figure 17showsthisscenario
Figure 17. Serial-over-LAN – cable installed for front and RTM
Front
RJ-45
IPMC
Base
Ethernet
Controller
(82576EB)
Super I/O
COM1
COM1
COMux
CPLD
Base
Interface
COM1
I
2
C Bus 4
Front/
Rear
Ethernet
Ports
Front/Rear
Ethernet
Controller
(82576EB)
Rear
RJ-45
COM2
COM2
I/O
Controller
Hub
(ICH10R)
CON_COM1=[0,1]
Network
2
SOL is supported through the Base interface or
the Front/Rear ports, but not both simultaneously.
CON_COM1 is set by a BIOS menu selection.
Cable
Connected
No
cable
OR
IPMC
Snoop
Front
RJ-45
IPMC
Base
Ethernet
Controller
(82576EB)
Super I/O
COM1
COM1
COMux
CPLD
Base
Interface
COM1
I
2
C Bus 4
Front/
Rear
Ethernet
Ports
Front/Rear
Ethernet
Controller
(82576EB)
Rear
RJ-45
COM2
COM2
I/O
Controller
Hub
(ICH10R)
CON_COM1=[0,1]
Network
2
SOL is supported through the Base interface or
the Front/Rear ports, but not both simultaneously.
CON_COM1 is set by a BIOS menu selection.
Cable
Connected
OR
IPMC Snoop
CON_COM1=1
IPMC Snoop
CON_COM1=0
Cable
Connected