2-3
Chapter 2 Connectors, Jumpers, and LEDs
6, 7. Sideband Headers
The sideband headers are designated JP51
and JP52. For SES-2 to work properly, you
must connect an 8-pin sideband cable.
Sideband Headers
Pin # Definition
Pin # Definition
2
SGPIO:
SDIN;
I
2
C:
Backplane
Addressing
1
Controller
ID (SB6)
4
SGPIO:
SDOUT;
I
2
C: Reset
3
GND (SB2)
6
GND (SB3)
5
SGPIO:
SLOAD;
I
2
C: SDA
8
Backplane
ID (SB7)
7
SGPIO:
SCLOCK;
1
2
C: SCL
10
No Connec-
tion
9
No Connec-
tion
8. MG9072 Chip
The MG9072 is an enclosure management chip that supports the SES-2
controller and SES-2 protocols.
9. Upgrade Header
The upgrade header is designated JP46 and is used for manufacturing purposes
only.
10-17. SAS3 Ports
Connect these ports with the SAS drive cables. The eight ports are designated
#0 - #7. Each SAS port is compatible with SATA drives.
SAS3 Connectors
Connector
Label
Port
J5
#0
SAS#0
J6
#1
SAS#1
J7
#2
SAS#2
J8
#3
SAS#3
J10
#4
SAS#4
J12
#5
SAS#5
J14
#6
SAS#6
J16
#7
SAS#7