> -----Original Message----- > From: cctalk [mailto:[email protected]] On Behalf Of Fred > Cisin via cctalk > Sent: Wednesday, October 02, 2019 2:58 PM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: Detecting inserted floppy drive WAS: Raymond Check > discusses MS DOS Floppy Disk Cache > > On Wed, 2 Oct 2019, Ali via cctalk wrote: > > Just wondering if anyone (Chuck, Fred?) knows what is the exact > technique referred to in this other post by Raymond? > > devblogs.microsoft.com/oldnewthing/20090402-00/?p=18643 > > As I understnd it, they just used a stopwatch and watched a couple of > their people change disks. > Since it was always 2 seconds or more, they used that as the number. > >
Fred, This is a different blog post. In this one he talks about how they found a way to see if a disk was inserted in the floppy drive without spinning up the motor.... Ali
