Supero SC819 Series, User Manual

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C-4
SC819 Chassis Manual
4. MG9071 Chip
The MG9071 is an enclosure management
chip that supports the SES-2 controller and
SES-2 protocols.
C-6 Front Connector and Pin Definitions
3. - 4. JTAG Connector and Upgrade Con-
nector
The JTAG connector, designated JP47, and
the upgrade connector, designated JP46,
are diagnostic purposes. These connectors
should be used by a certified and experienced
technician.
Backplane
Main Power
4-Pin Connector
Pin# Definition
1 +12V
2 and 3 Ground
4 +5V
1. Backplane Main Power Connectors
The 4-pin connectors, designated JP10 provide
power to the backplane. See the table on the
right for pin definitions.
2. CD-ROM/Floppy 4-Pin Connectors
The 4-pin connectors, designated J9 and J10,
provide power to the CD-ROM and floppy
drives. See the table on the right for pin defi -
nitions.
CD-ROM/
FDD Power
4-Pin Connector
Pin# Definition
1 +5V
2 and 3 Ground
4 +12V