Supermicro cse-836be16-r920 [79/146] The mg9072 is an enclosure management chip that supports the ses 2 controller and ses 2 protocols

Supermicro cse-836be16-r920 [79/146] The mg9072 is an enclosure management chip that supports the ses 2 controller and ses 2 protocols
C-11
Appendix C Backplane Specications
#3. MG9072 Chip
The MG9072 is an enclosure management
chip that supports the SES-2 controller and
SES-2 protocols.
SAS Activity LED Header
Pin Denitions
Pin # Denition Pin # Denition
1 ACT IN#0 6 ACT IN#4
2 ACT IN#1 7 ACT IN#5
3 ACT IN#2 8 ACT IN#6
4 ACT IN#3 9 ACT IN#7
5 Ground 10 Empty
Front Connector and Pin Denitions
#1. Activity LED Header
The activity LED headers, designated JP26
and JP47, are used to indicate the activity
status of each SAS drive. These activity LED
headers are used by the host controller for
the SATA drives that previously had no activity
status output. If using a SAS drive, and for
most SATA drives, these activity headers are
not required.The Activity LED Header is located
on the front panel. For the Activity LED Header
to work properly, connect using a 10-pin LED
cable.
#2. CD-ROM 4-Pin Connectors
The 4-pin connectors, designated JP105 and
JP106, provide power to the CD-ROM drives.
See the table on the right for pin denitions.
CD-ROM/
FDD Power
4-Pin Connector
Pin# Denition
1 +5V
2 and 3 Ground
4 +12V
SAS Activity LED Header
Pin Denitions
Pin # Denition Pin # Denition
1 ACT IN#8 6 ACT IN#12
2 ACT IN#9 7 ACT IN#13
3 ACT IN#10 8 ACT IN#14
4 ACT IN#11 9 ACT IN#15
5 Ground 10 Empty

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