IBM i series Handbook page 294

Towers and Racks
From Feature
#2723
#2745
#2748
#2751
#4778
#2816
#2838
The converted features are physically and functionally identical.
Note: The feature numbers and some names change to designate installation information.
These #5065/#5066 features are not supported in the #5074/#5079 towers. They must be
replaced.
From Description
Feature
#2718 PCI Magnetic Media Controller
#2721 PCI Two-line WAN IOA
#2722 PCI Twinaxial Workstation IOA
#2724 PCI 16/4Mbps Token-Ring IOA
#2729 PCI Magnetic Media Controller
#2824 PCI LAN/WAN Workstation IOP
These #5075 features are not supported in the #5074 tower. They must be re-installed in the
system unit or replaced.
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iSeries Handbook
To Feature
#4723
#4745
#4748
#4751
#4778
#4816
#4838
Potential
Replacement Feature
#2768
#4745
#4746
#2744
#2749
#2843
From Feature To Feature
#9723 #4723
#2746 #4746
#2750 #4750
#2761 #4761
#2815 #4815
#2818 #4818
#4802 #4801
Description
PCI Magnetic Media Controller
PCI WAN IOA
PCI Twinaxial Workstation IOA
PCI 100Mbps Token-Ring IOA
PCI Magnetic Media Controller
PCI IOP