6.3 Redundant power supply 123
6.3.1 Installing a hot-plug PSU 123
6.3.2 Removing a hot-plug PSU 125
6.3.3 Replacing a hot-plug PSU 129
6.4 Replacing the power distribution board 130
7 Hard disk drive (HDD) / solid state disk (SSD)
137
7.1 Safety notes 137
7.2 Basic information 138
7.3 Handling HDDs or SSDs without installation frame 140
7.3.1 2.5-inch HDD/SSD and 2.5-inch installation frame 140
7.4 2.5-inch HDD/SSD configurations 142
7.4.1 Overview of configurations 142
7.4.1.1 Configuration with up to 16 HDD/SSD modules 142
7.4.1.2 Configuration with up to 12 SAS/SATA/PCIe SSD modules 143
7.4.1.3 Configuration with up to 12 SAS/SATA/PCIe SSD modules
and up to four SAS/SA
TA HDD/SSD modules
144
7.4.1.4 Configuration with up to eight SAS/SATA HDD/SSD or PCIe
SSD modules 145
7.4.2 Installing 2.5-inch HDD/SSD modules 147
7.4.3 Removing 2.5-inch HDD/SSD modules 149
7.4.4 Replacing a 2.5-inch HDD/SSD module 152
7.4.5 Replacing the 16x 2.5-inch HDD backplane 154
7.4.6 Replacing the SAS expander board 158
8 Fans 163
8.1 Safety notes 163
8.2 Basic information 163
8.3 Replacing a defective fan module 164
Content
RX4770 M5 Upgrade and Maintenance Manual