Note: In this illustration, the image on the left shows the tray right-side up and the image on the right shows
the tray upside down.
Figure 19. Cable routing, SAS drive cables (upper tray with storage-board assembly)
Table 17. Cable routing, SAS drive cables (upper tray)
Cable
Routing
1 PCIe SAS interface
• From:
– Lower compute system board in upper compute tray, “PCIe/NVMe” connector
(see “System-board connectors” on page 103)
– Storage-board assembly in upper tray, “PCIe” connector (see “Storage-board-
assembly connectors” on page 103)
• To: Storage interposer, “PCIe” connector (see “Storage interposer connectors” on
page 107)
2 RAID interface for drive
backplane 4
• From: RAID card, “C3” connector (see “RAID card connectors” on page 108)
• To: Drive backplane, connector “SAS” (see “Drive backplane connectors” on page
109)
3 RAID interface for drive
backplane 5
• From: RAID card, “C2” connector (see “RAID card connectors” on page 108)
• To: Drive backplane, connector “SAS” (see “Drive backplane connectors” on page
109)
4 RAID interface for drive
backplane 6
• From: RAID card, “C1” connector (see “RAID card connectors” on page 108)
• To: Drive backplane, connector “SAS” (see “Drive backplane connectors” on page
109)
NVMe drive cables (upper tray)
Common drive cables are used by only NVMe drives.
Chapter 2. Server components 37