Difference between IDE and SCSI ??

[Alan Cox]

> > Of course its never that simple. Most "serial" busses are actually
> > multiple wires which send information in parallel..
> 
> More likely
> txdata
> rxdata
> Maybe a pair for the other direction (eg RS0232C)
> Ground

Actually RS232 has a whole array of wires sending information in parallel
(think carrier, flow control, data in, data out, ...). Ethernet has a lot
less but is only 1GBit. Internal busses like PCIE use multiple data links
but are not parallel in the 'traditional' clocked sense

Alan