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IBM 74Y4064 Handbook page 43

Managing pcie adapters for ibm power system l922 9008-22l; ibm power system s922 9009-22a; ibm power system h922 9223-22h; ibm power system s914 9009-41a; ibm power system s924 9009-42a; ibm power system h924 9223-42h; ibm emx0 pcie gen3 i/o expansion dra
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FRU number
74Y3467 (Designed to comply with RoHS requirement)
Wrap plug FRU number
12R9314
Note: The wrap plug is included with the card, and can also be purchased from IBM.
I/O bus architecture
PCI Express (PCIe) Base 2.0 and x8 PCIe bus interface
Slot requirement
For more information about slot priorities, maximums, and placement rules, see PCIe adapter
placement rules and slot priorities (http://www.ibm.com/support/knowledgecenter/POWER9/
p9eab/p9eab_mtm_pciplacement.htm) and select the system that you are working on.
Voltage
3.3 V
Form factor
Full-height, full-length adapter with standard-size bracket
FC compatibility
2, 4, and 8 gigabit FC devices
Cables
Cables are the responsibility of the customer. Use multimode fibre optic cables with short-wave
lasers that adhere to the following specifications:
v OM3: Multimode 50/125 micron fibre, 2000 MHz x km bandwidth
v OM2: Multimode 50/125 micron fibre, 500 MHz x km bandwidth
v OM1: Multimode 62.5/125 micron fibre, 200 MHz x km bandwidth
Because core sizes are different, only OM1 cables can be connected to other OM1 cables. For best
results, do not connect OM2 cables to OM3 cables. However, if an OM2 cable is connected to an
OM3 cable, the characteristics of the OM2 cable applies to the entire length of the cables.
The following table shows the supported distances for the three different cable types at the three
different link speeds.
Table 14. Supported cable distances by link speed
Cable type
OM3
OM2
OM1
Adapter LED
Green and yellow LEDs can be seen through openings in the mounting bracket of the adapter. Green
indicates firmware operation and yellow signifies port activity. Table 15 summarizes the link rate
conditions. There is a one second pause when the LED is off between each group of fast flashes (2, 3, or
4). Observe the LED sequence for several seconds to be sure that you have correctly identified the state.
Table 15. Normal LED states
Green LED
Slow flashing
On
On
On
2.125 Gbps
0.5 m - 500 m
0.5 m - 300 m
0.5 m - 150 m
Yellow LED
Off
2 fast flashes
3 fast flashes
4 fast flashes
4.25 Gbps
0.5 m - 380 m
0.5 m -150 m
0.5 m - 70 m
State
Normal, link inactive or not started
2 Gbps link rate - normal, link active
4 Gbps link rate - normal, link active
8 Gbps link rate - normal, link active
8.5 Gbps
0.5 m - 150 m
0.5 m - 50 m
0.5 m - 21 m
Managing PCIe adapters
27

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