TX2550 M4 Upgrade and Maintenance Manual 233
Hard disk drive (HDD) / solid state drive (SSD)
7.4.9.6 Connecting cables to the SAS backplane 1
Figure 149: Connecting cables to the SAS backplane 1
Ê Connect the SAS cable to the backplane:
– (1) from SAS controller connector MLC1 to backplane connector X9
Ê Connect power cables to the backplane:
– (2) from system board connector PWR1 to the backplane connector X40
– (3) if applicable, to an additional accessible drive (power connector X17
or X18)
Ê If applicable, connect the OOB cable, see chapter "Replacing the OOB
cable" on page 488.
I For the cable plan see chapter "Appendix B" on page 517.
7.4.9.7 Concluding steps
Ê Install the fan bridge, see section "Handling fan bridges" on page 90
Ê "Installing the system air duct" on page 68
Ê Install all removed HDD modules, see section "Installing a 3.5-inch HDD
module" on page 219.
Ê "Reassembling" on page 68
Ê "Connecting the power cord" on page 81
Ê "Switching on the server" on page 82