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Figure 77. 18x 3.5 SAS/ SATA backplane
1
backplane power connector A
2
controller
3
backplane power connector B
4
optical drive power connector
5
I2C connector
6
backplane signal connector
7
SAS A0_B0 connector
Figure 78. 8x 3.5 SAS/SATA backplane
1
optical drive power connector
2
backplane power connector
3
SAS A0 connector
4
backplane signal connector
5
SAS B0 connector
Removing a hard drive backplane
Prerequisites
CAUTION:
To prevent damage to the drives and backplane, you must remove the hard drives from the system before removing
the backplane.
134
Installing and removing system components