How do home computer buses electrically put data on the wire?

Question

In particular I'd like to know what schemes PCI Express, PCI and ISA use at the physical layer.

score 1 · Accepted Answer · answered Dec 05 '11 at 19:38

1

They're all different. You can easily look up each one. PCI Express uses low-voltage differential signalling. PCI uses both 5 volt and 3.3 volt signalling levels. ISA uses simple TTL signalling.

answered Dec 05 '11 at 19:38

David Schwartz

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How do home computer buses electrically put data on the wire?

1 Answers1