50 CR11*, CP11*, CT11* 6U CompactPCI® SBC
Publication No. HRMCR11 Rev. B.0
Pr
i
vate 1
2
c
Ethernet Interface
IPMB
The Intelligent Platform Management Bus (IPMB) is an I2C-based bus that
provides a standardized interconnection between different CPCI-boards within
a c
h
assis
.
The standardized connection to the baclqilane is
s
how
n
below:
Table 24: IPl\IB backplane pin assignments
17001
Bl7
C!7
A4
Name
IPMB_SCL
IPMB_SDA
IPMB PWR
Description
Serial Clock
Serial Data
Power S
u
pp
l
y for all IPMI-devices
The Private IPMI i
2
c bus is equivalent to the onboard SMBus ( described in
'
Additional devices
/
S
M
B
'
)
. The IPMI-coutroller works as a second Master on
the I
2
C bus to read the SMBus devices
.
Software Installation
The Technical Product Information CD-ROM supplied with the CTI I includes
the most commonly used software drivers and utilities.
The Ethernet controller 82571EB from Intel used with the CR! I is a high
perforniance dual Gigabit Ethernet !
0
/1
00
/
1
000
Mbit PCI controller. Both
c
h
aw1els are available on the CR! I. Front or rear Ethernet can be selected via
order
.
For registration and identification of a workstation in a LAN
,
a unique ID
number is required. Eac
h
network card is assi
gn
ed a unique ID number, which
resides in an Ethernet address RO
M
on the CR! I
.
Au Ethernet boot option can
be enabled in BIOS setup.
Optionally there is a front 1
0
/
1
00
Mbit Fast Ethernet c
h
anne
l
based on an Intel
8255 I available
Software
Installat
i
on
The drivers available for the Ethernet controller 82571 EB support a large
number of operating syste
m
s
.
The table shows operating systems supported by
the available software:
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