Kernel-4.18.0-80.el8_isapnp

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ISA Plug & Play support by Jaroslav Kysela perex@suse.cz
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Interface /proc/isapnp

The interface has been removed. See pnp.txt for more details.

Interface /proc/bus/isapnp

This directory allows access to ISA PnP cards and logical devices.
The regular files contain the contents of ISA PnP registers for
a logical device.