3.6.1 SAS/SATA Backplane (M1228) Features
U4, SAS/SATA4
Connector
(Left) HDD Fail
LED: Amber
(Right) HDD Power/ Access
LED: Green
U3, SAS/SATA3
Connector
U2, SAS/SATA2
Connector
U1, SAS/SATA 1
Connector
Chapter 3: Replacing Pre-Installed Components
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