Pcie Gen3 I/O Expansion Drawer Optical Cabling - IBM Power System E850C Technical Overview And Introduction

Table 2-28 Maximum PCIe Gen3 I/O drawer configurations
Power E850C configuration
Power E850C with two
Power E850C with three
Power E850C with four
Figure 2-17 shows the back view of the PCIe Gen3 I/O expansion drawer.
Figure 2-17 Rear view of the PCIe Gen3 I/O expansion drawer
PCIe Gen1, Gen2, and Gen3 full-high adapters are supported. The set of full-high PCIe
adapters that are supported is found in the Sales Manual, which is identified by feature
number. See the PCI Adapter Placement manual for the 8408-E8E and 44E for details and
rules associated with specific adapters supported and their supported placement in x8 or x16
slots, found at:
http://www.ibm.com/support/knowledgecenter/8408-E8E/p8eab/p8eab_85x_slot_details.htm

2.11.2 PCIe Gen3 I/O expansion drawer optical cabling

I/O drawers are connected to the adapters in the server with data transfer cables:
3.0 m Optical Cable Pair for PCIe3 Expansion Drawer (#ECC7)
10.0 m Optical Cable Pair for PCIe3 Expansion Drawer (#ECC8)
processor module
processor module
processor module
PCIe Optical Interface to server
Fan-out Module
6 PCIe G3 Slots
4 x8 & 2 x16 4 x8 & 2 x16
Maximum number of
attached PCIe Gen3
I/O drawers
s 2
s 3
s 4
PCIe Optical Interface to server
Fan-out Module
6 PCIe G3 Slots
4 x8 & 2 x16 4 x8 & 2 x16
Chapter 2. Architecture and technical overview
Maximum number of
PCIe slots on the
server
27
39
51
Dual Power Cords
63