Table of Contents
Advertisement
#8 and #9 Sideband Headers
The sideband headers are designated JP51
and JP52. For SES-2 to work properly, you
must connect an 8-pin sideband cable. See
the table to the right for pin definitions.
#10 MG9072 Chip
The MG9072 is an enclosure management
chip that supports the SES-2 controller and
SES-2 protocols.
#11 Upgrade Header
The upgrade header is designated JP46 and is
used for manufacturing purposes only.
#12 to #19 SAS Ports
The SAS ports are used to connect the SAS
drive cables. The 8 ports are designated
#0 - #7. Each port is also compatible with
SATA drives.
Appendix C: SAS-825TQ Backplane Specifications
Pin #
2
4
6
8
10
C-5
Sideband Headers
Definition
Pin #
Definition
SGPIO:
1
Controller
SDIN;
ID (SB6)
I
C:
2
Backplane
Addressing
SGPIO:
3
GND (SB2)
SDOUT;
I
C: Reset
2
GND (SB3)
5
SGPIO:
SLOAD;
I
C: SDA
2
Backplane
7
SGPIO:
ID (SB7)
SCLOCK;
1
C: SCL
2
No Connec-
9
No Connec-
tion
tion
Advertisement
Table of Contents
