[Elecraft] Who's On First?

[Fred Jensen]

Because it's there, Jack.  Code comes ... it never goes.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 3/31/2018 7:03 PM, Jack Brindle wrote:
> This is a remnant of days long gone when the PC - DOS and early Windows systems used serial-port connected mice. It used the sequence to detect the presence of a mouse. The Mac has never used asynchronous serial-port based mice, instead using a special bus, followed by ADB in early Macs (starting with the Mac Plus), then USB after it was adopted. Thus it does not mess with the serial ports on startup.
>
> I now wonder why Microsoft maintains this arcane procedure since its utility has long passed into history.
>
> Jack, W6FB
>