Figure 330. Front backplane cable routing
Figure 331. Middle backplane cable routing
From To From To
1 Backplane 1: SAS
1 16i adapter
• Gen 4: C0
• Gen 3: C0C1
1 Backplane 5: SAS 1 8i adapter: C0
2 Backplane 2: SAS
2 16i adapter
• Gen 4: C1
• Gen 3: C2C3
2 Backplane 5: PWR
2 Onboard:
• GPU power
• Rear backplane power
• Rear backplane
sideband
16 x 2.5" SAS/SATA + 8 x 2.5" SAS/SATA
The following shows the cable connections for the front 16 x 2.5-inch SAS/SATA + middle 8 x 2.5-inch SAS/
SATA configuration with one 16i RAID/HBA adapter and one 8i RAID/HBA adapter.
To connect riser 3 and riser 4 cables, see
“Riser 3/4 cage” on page 306.
To connect riser 5 cables, see
“Riser 5 cage” on page 309.
To connect cables to the front and rear OCP interposer cards, see
“OCP interposer cards” on page 297.
Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
336 ThinkSystem SR665 V3 User Guide
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