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Appendix E: M35TQ Mobile Rack Specifications
E.7 Front Connectors and Pin Definitions
2. MG9072 Chip
The MG9072 is an enclosure
management chip that supports
the SES-2 controller and SES-2
protocols.
1. Mobile Rack Main Power
Connectors
The 4-pin power connectors,
designated JP10 and JP13,
provide power to the mobile rack.
See the table on the right for pin
definitions.
3. JTAG Connector
The JTAG connector, designated
JP47, is used for diagnostic
purposes only.
4. and 5. I
2
C Connectors
The I
2
C connectors, designated
JP44 and JP45, are used to
monitor the HDD activity and
status. See the table on the right
for pin definitions.
Mobile Rack Main Power
4-Pin Connector
Pin#
Definition
1
+12V
2/3
Ground
4
+5V
I
2
C Connector
Pin Connector
Pin#
Definition
1
Data
2
Ground
3
Clock
4
No Connection