Lenovo ThinkSystem SR850 V2 - Page 32

Figure 6. Rear view
Table 4. Components on the rear view
1
“PCIe slot 1-3 (Riser 1)” on page 24
8
“Power supply error LED (yellow)” on page 25
2
“PCIe slot 5-6 (Riser 2)” on page 24
9
“Serial connector” on page 25
3
“PCI Express 3.0 x8” on page 24 (PCIe slot 7)
10
“VGA connector” on page 25
4
“PCI Express 3.0 x8” on page 24 (PCIe slot 8)
11
“USB 3.1 connectors” on page 25
5
“Power supply units” on page 25
12
“XClarity Controller network connector” on page 25
6
“AC power LED (green)” on page 25
13
“NMI button” on page 25
7
“DC power LED (green)” on page 25
14
“OCP 3.0 Ethernet adapter” on page 25
1 Riser 1 (PCIe slot 1-3)
Install a PCIe riser card into this zone. See the following table for PCIe slots corresponding to the supported
riser cards.
Table 5. Riser 1 PCIe slots
Slot x16/x16/x16 riser card x16/x16 (x8 lanes) riser card
(without 7mm drive cage)
x16/x16 (x8 lanes) riser card
(with 7mm drive cage)
1 x16
x16 (x8 lane) x16 (x8 lane)
2 x16
x16 (x8 lane) x16 (x8 lane)
3 x16 NA 7mm drive cage
2 Riser 2 (PCIe slot 5-6)
Install x16/x16 FH/HL PCIe Riser into this zone.
Table 6. Riser 2 PCIe slots
Slot x16/x16 PCIe riser card
5 x16
6 x16
3 4 PCI Express 3.0 (x8)
Install adapters, particularly RAID adapters, to these slots.
24
ThinkSystem SR850 V2 Maintenance Manual