Lenovo ThinkSystem ST550 - Page 44

Server models with twenty 2.5-inch hot-swap drives
Use this section to understand the cable routing for server models with twenty 2.5-inch hot-swap drives.
Server model: twenty 2.5-inch SAS/SATA drives, one 24i RAID adapter
Notes:
• Ensure that all cables are routed through the correct cable clips.
• Broken lines indicate the hidden parts.
Figure 21. Cable routing for server models with twenty 2.5-inch SAS/SATA drives and one 24i RAID adapter
Cable
From To
1 SAS signal cable for
backplane 1
SAS 0 and SAS 1 connectors on
backplane 1
C0 and C1 connectors on the 24i RAID
adapter
2 Power cable for backplane 1 Power connector on backplane 1 Backplane 1 power connector on the
system board
3 SAS signal cable for
backplane 2
SAS 0 and SAS 1 connectors on
backplane 2
C2 and C3 connectors on the 24i RAID
adapter
40 ThinkSystem ST550 Setup Guide