does the ISA bus actually slow a PC down?

Old days PCs have ISA slot for installing expansion card Now, PCs have PCI In our Lab an ISA expansion card connect measuring instrument,

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

isa slot adapter If an ISA card is placed in an EISA slot it will use only the top row of connectors, whereas a full EISA card uses both rows It offered bus mastering EISA

isa slot uses Unlike MCA, EISA can accept older ISA cards — the lines and slots for EISA are a superset of ISA EISA was much favoured by manufacturers due to the proprietary