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Table 5. PCIe adapter slot priorities and maximum adapters supported in the 5148-21L, 5148-22L, 8247-21L,
8247-22L, 8284-21A, or 8284-22A system (continued)
Feature code
Description
8247-21L or 5148-21L
Slot priorities
EN0Y
PCIe2 LP 8 Gb 4-port
5, 6, 8
Fibre Channel Adapter
(FC EN0Y; CCIN
EN0Y); Adapter FRU
number: 74Y3923
v PCIe2 x8
v Short, low-profile
v Short form factor
plus (SFF+) Host
Bus Adapter (HBA)
v Extra-high
bandwidth
v OS support: AIX,
IBM i only with
VIOS, and Linux
operating systems
EN28
PCIe 2-port Async
11, 10, 8
EIA-232 LP Adapter
(FC EN28; CCIN
57D4); Adapter FRU
number 000ND487
v PCIe, x1
v PCIe 1.1
v Short, low-profile
v Two ports through
RJ45 by using the
DB9 connector
v EIA-232 Compatible
v OS support: AIX,
IBM i, Linux, and
PowerKVM
operating systems
1
The adapters are installed in this order in the system for best performance.
2
The slot is not available to install other adapters in the expanded function system backplane.
3
The adapters FCs 5278, 5284, EL10, and EL2P are not supported in slots 7, 8, 9, 10, and 11.
4
The adapters FCs EC37 and EC2M are not supported in the 8284-22A system with processor card FCs EPXL and ELPF.
5
The adapters FC EJ16, EJ17, and EJ18 are not compatible with the adapters FC EJ12 and EJ13. The FC EJ12 and EJ13 adapters are for gzip compression offload, and the FC EJ16, EJ17 and EJ18 are for
direct-attach fibre channel flash acceleration.
6
The slot is not available when the High Function RAID controller FC EJ0U is also installed.
PCIe adapter placement rules and slot priorities for the EMX0 PCIe
Gen3 I/O expansion drawer
Find information about the placement rules and slot priorities for the Peripheral Component Interconnect
(PCI) Express (PCIe) adapters that are supported for the EMX0 PCIe Gen3 I/O expansion drawer (EMX0
PCIe3 expansion drawer).
PCIe slot descriptions for the EMX0 PCIe3 expansion drawer
The number of PCIe slots that are provided in the EMX0 PCIe3 expansion drawer depends on the I/O
module configuration of the EMX0 PCIe3 expansion drawer. Your configuration might have one or two
PCIe3 6-slot fanout modules (FC EMXF or ELMF) installed in the rear of the EMX0 PCIe3 expansion
drawer. Each PCIe3 6-slot fanout module provides six full-length, regular-height, PCIe generation 3 slots.
The PCIe3 slots are compatible with generation 2 or generation 1 PCIe adapters. The PCIe slots use
generation 3, single-wide, blind-swap cassettes.
The I/O module in the EMX0 PCIe3 expansion drawer is connected to the system with an expansion
drawer cable pair. Each cable pair must be the same length and are attached to the T1 and T2 ports in the
I/O module and to the corresponding ports in the PCIe3 cable adapter in the system.
8247-22L or 5148-22L
Maximum
Slot priorities
Maximum
number of
number of
adapters
adapters
supported
supported
2
, 10, 11
5
5, 2, 6, 4, 1,
8
2
8
, 10, 11
2
2
, 6, 5
5
11, 1, 10, 8
, 2,
8
6, 4, 5
8284-21A
8284-22A
1 processor
1 processor
Slot priorities
Maximum
Slot priorities
number of
adapters
supported
2
Not
Not
5, 6, 8
, 10, 11
supported
supported
2
Not
Not
11, 10, 8
, 6, 5
supported
supported
8284-22A
2 processors
Maximum
Slot priorities
Maximum
number of
number of
adapters
adapters
supported
supported
5
5, 2, 6, 4, 1,
8
2
8
, 10, 11
2
5
11, 1, 10, 8
, 2,
8
6, 4, 5
21
PCIe adapter placement
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