D-5
Appendix C: BPN-SAS3-825TQ Backplane Specications
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
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
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