Specifications
BMC Messaging Interfaces QSSC-S4R Technical Product Specification
286
25. BMC Messaging Interfaces
This
chap
t
er
describes
t
he
suppor
t
ed
BMC
communica
t
ion
in
t
er
f
aces
:
x
Hos
t
SMS
I
n
t
er
f
ace
via
low
pin
coun
t
(LPC)
/
keyboard
con
t
roller
s
t
yle
(KCS) in
t
er
f
ace
x
Hos
t
SMM
in
t
er
f
ace
via
low
pin
coun
t
(LPC)
/
keyboard
con
t
roller
s
t
yle
(KCS) in
t
er
f
ace
x
I
n
t
elligen
t
Pla
tf
orm
Managemen
t
Bus
(
I
PMB)
I
2
C
in
t
er
f
ace
x
Emergency
managemen
t
por
t
(EMP)
using
t
he
I
PM
I
-over-serial
pro
t
ocols
f
or serial
remo
t
e
access
x
LAN
in
t
er
f
ace
using
t
he
I
PM
I
-over-LAN
pro
t
ocols
These
speci
f
ica
t
ions
are
de
f
ined
in
t
he
f
ollowing
sub-sec
t
ions
.
Sec
t
ion
25.2
provides an
overview
o
f
t
he
basic
charac
t
eris
t
ics
o
f
t
he
communica
t
ion
pro
t
ocols
used
in
all
o
f t
he
above
in
t
er
f
aces
.
25.1 Channel Management
Every
messaging
in
t
er
f
ace
is
assigned
an
I
PM
I
channel
I
D
by
I
PM
I
2
.
0
.
Commands are
provided
t
o
con
f
igure
each
channel
f
or
privilege
levels
and
access
modes
.
The
f
ollowing
t
able
shows
t
he
s
t
andard
channel
assignmen
t
s
:
Table 192. Standard Channel Assignments
Interface Supports
Sessions
IPMB
No
LAN
1
Yes
Serial
Channel
Yes
SMM
No
Self
1
–
SMS
/
Receive
Message
Queue
No
Note: 1. Refers to the channel used to send the request.
Table 193. QSSC-S4R Channel Assignment
Channel
ID
Interface Supports
Sessions
0
Primary
IPMB
No
1
LAN
1
(Switchable
between
the
four
Kawela
NIC
ports
on
the
baseboard)
Yes
2
Reserved
(To
be
used
on
future
products
to
support
2
LAN
channels
on
the
baseboard)
–
3
LAN
2
1
(Provided
by
the
RMM3
card)
Yes
4
Serial
(COM2
terminal
mode
only)
Yes
5
USB
No
6
Secondary
IPMB
No
7
SMM
No
8
–
0Dh
Reserved
–
0Eh
Self
2
–
0Fh
SMS
/
Receive
Message
Queue
No
25.2
4
.
2
User Model
The BMC supports the IPMI 2.0 user model including User ID 1 support. 15 user IDs are supported. These 15 users
can be assigned to any channel. The following restrictions are placed on user-related operations: