What are the advantages of ISA slots over PCI slots?

What are the advantages of ISA slots over PCI slots? isa slot computer Discover high-performance motherboards with ISA slots on AliExpress! Get the ultimate PC upgrade Shop now! Visit AliExpress today and start shopping! isa expansion slot 2 ISA Slot Computer – 4th Gen Intel Core Mid-tower $ Computer system with 2 ISA slots The motherboard supports 4th Gen Intel Core CPUs

isa expansion slot computer All good there However, it's the issue of the same DOS program talking straight to the ISA card that has me concerned IIRC

isa slot computer This new 3 ISA slot PC will provide years of continued support for your critical ISA cards in a mid-tower chassis Supports Windows XP and older OS  Adek Industrial makes ATX mobos with ISA slots Looks like they only offer one model per CPUmemory generation Here's the MB-P4BWA Industrial