2-4
SAS 846 TQ
Backplane
Main Power
4-Pin Connector
(JP10, JP13, JP46,
and JP48)
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
10. Backplane Main Power Connectors
The 4-pin connectors, designated JP10, JP13,
JP46, JP48, JP109, and JP110, provide power
to the backplane. See the table on the right
for pin definitions.
11 - 34. SAS Ports
The SAS ports are used to connect the SAS
drive cables. The 24 ports are designated #0
- #23. Each port is also compatible with SATA
drives.
7./8./9./ Sideband Headers
The sideband headers are designated JP66,
JP68, JP75, JP77, JP112, and JP114. For
SES-2 to work properly, you must connect an
8-pin sideband cable. See the table to the right
for pin definitions.
NOTE: SGPIO is the default setting for this
backplane.
Sideband Headers
(JP66, JP68, JP75, JP77,
JP112 and JP114)
Pin # Definition
Pin # Definition
2
SGPIO:
SDIN
I
2
C:
Backplane
Addressing
(SB5)
1
Controller ID
(SB6)
4
SGPIO:
SDOUT
I
2
C:
Reset
(SB4)
3
GND (SB2)
6
GND (SB3)
5
SGPIO:
SLOAD
I
2
C:
SDA (SB1)
8
Backplane
ID (SB7)
7
SGPIO:
SCLOCK
I
2
C:
SCL (SB0)
10
No Connec-
tion
9
No Connection
