C-4
SC116 User's Guide
#9. - #18. SAS/SATA Connectors
The SAS/SATA connectors are numbered 0
through 9. Each may be connected to the
system with a SAS or SATA cable.
#6. - #8. Sideband Headers
The sideband headers are designated JP51,
JP52 and JP53. For SGPIO to work properly,
you must connect an 8-pin sideband cable.
See the table to the right for pin definitions.
Sideband Headers
Pin # Definition
Pin # Definition
2
SDIN/ (SB5) 1
Controller
ID (SB6)
4
SDOUT
(SB4)
3
GND (SB2)
6
GND (SB3)
5
SLOAD/
(SB1)
8
Backplane
ID (SB7)
7
SCLOCK/
(SB0)
#4.. - $5. MG9071 and MG9072 Chips
The MG9071 amd MG9072 chips are en-
closure management chips that support the
SGPIO controller and SGPIO protocols.
C-6 Rear Connector and Pin Definitions
#2. - #3. Upgrade Connector
The upgrade connectors, designated JP46 and
JP55 are for diagnostic purposes only. This
connector should only be used by a certified
and experienced technician.
Backplane
Main Power
4-Pin Connectors
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
#1. Backplane Main Power Connectors
The 4-pin connectors designated JP10 and
JP13, provide power to the backplane. See the
table on the right for pin definitions.