Lenovo ThinkSystem SR665 V3 User Manual page 461

Middle backplane cable routing
Figure 496. Middle backplane signal cable routing
From
Backplane 5: NVMe 0-1
1
Backplane 5: NVMe 2-3
2
Backplane 6: NVMe 0-1
3
Backplane 6: NVMe 2-3
4
Front + middle + rear backplanes: 12 x 3.5" SAS/SATA + 4 x 3.5" SAS/SATA + 4 x
3.5"SAS/SATA
This topic provides cable routing information for the server model with one 12 x 3.5-inch SAS/SATA front
backplane, one 4 x 3.5-inch SAS/SATA middle backplane, and one 4 x 3.5-inch SAS/SATA rear backplane.
• "Onboard connectors" on page 451
• "32i RAID adapter" on page 452
Onboard connectors
The following shows the cable connections for the front 12 x 3.5-inch SAS/SATA + middle 4 x 3.5-inch SAS/
SATA + rear 4 x 3.5-inch SAS/SATA configuration with onboard connectors.
Connections between connectors:
To
Onboard: PCIe 5
1
Onboard: PCIe 7
2
Onboard: PCIe 6
3
Onboard: PCIe 8
4
↔ ↔
, ,
1 1 2 2 3
Figure 497. Middle backplane power cable routing
From
1
• Backplane 5: PWR
• Backplane 6: PWR
↔ ↔
, ...
3 n n
Chapter 6
To
1
• Onboard: rear
backplane power
• Onboard: rear
backplane sideband
• Riser 1: PWR
.
Internal cable routing
451