🚀 go-pugleaf

Have you recently installed a new device on your machine, like a flatbed
scanner?

"Roger Hamlett" <roger@ttelmah.demon.co.uk> wrote in message
news:955705134.8930.0.nnrp-14.9e988e54@news.demon.co.uk...
>
> Steve wrote in message ...
> >Yes........but if this is the case why does it access the floppy
> before
> >giving the error?
> >
> >"Roger Hamlett" <roger@ttelmah.demon.co.uk> wrote in message
> >news:955623051.18364.5.nnrp-06.9e988e54@news.demon.co.uk...
> >>
> >> Steve wrote in message
> <_7aJ4.2070$GP3.11890@typhoon.nyroc.rr.com>...
> >> >Yes will boot to dos. No twist.
> >> This is your problem. The first floppy, should have the twist. I
> >> suspect you may have the BIOS set to 'swap A/B' (an option for this
> >> exists in most BIOS's), so you actually have drive 'B' attached,
> but
> >> being seen as 'A' from DOS or W9x. In NT, the drivers ignore the
> BIOS,
> >> and are finding no drive A attached...
> The problem is that it depends on how your drive is attached. The
> original floppy interface design, had a single 'motor on' select line,
> and four seperate 'drive select' lines. IBM elected to make the
> interface more complex, by just supporting two drives, adding a second
> 'motor select' line, twisting this into the right position on the
> drive, and leaving the 'drive select' lines all joined. This was
> fractionally cheaper to build in the control board, but required the
> cable twist. Different drives respond differently to the control
> combinations, so if a drive is on the 'untwisted' part of the cable,
> it is fairly common for it to display the 'select' light, when the
> select signal is received, and (depending on the make), even step the
> heads, but no data is returned. This gives exactly your drive
> symptoms...
>
> Best Wishes
>
>
>