Emerson ACC/ARTM-7221/FC, Installation Manual

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Devices Connected to RTM's Mezzanine Management Controller Installation
ACC/ARTM-7221/FC Installation Guide (6806800E98A)
49
2.7 Devices Connected to RTM's Mezzanine
Management Controller
The RTM provides a Mezzanine Management Controller (MMC) based on the Atmega64L
controller which is fully compliant to the Intelligent Platform Management Standard V1.5 Rev.
1.1. It is connected to the front blade's IPMC via IPMB1. Emerson offers a Monta Vista Linux
Carrier Edition 3.1 (MVL CGE 3.1) driver for the IPMC of the front blade and the MMC of the
RTM. Attached to the MMC are:
z
Face plate LEDs
z
IDROM
The IDROM is accessible via an I2C interface and you can store data via the "Master Write-
Read" command in the IDROM. The I2C address is 0xAA.
z
Temperature, voltage and other status sensors
The following table lists all IPMI sensors.
Figure 2-22 P31 Connector Pinout, Rows e-h
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
e f g
h
a b c d e f g h
n.c.
PMC1_IO_40
PMC1_IO_48
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
PMC1_IO_38
PMC1_IO_46
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
PMC1_IO_33
PMC1_IO_41
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
PMC1_IO_35
PMC1_IO_43
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
Table 2-3 Available IPMI Sensors
Sensor Name
Type of
Measurement
What does it measure?
Sensor
Type Sensor
Availability
ARTM-7221 Temp. Temperature RTM temperature Analog Always
V1.8V Voltage +1.8V voltage level of RTM Analog While payload
powered ON
V3.3V Voltage +3.3V voltage level of RTM Analog While Payload
powered ON
V5VCC Voltage +5V voltage level of RTM Analog While Payload
powered ON
V12V Voltage +12V voltage level of RTM Analog While Payload
powered ON