[ltp] Ultrabay...Does it work, or not?

Markus Alt linux-thinkpad@www.bm-soft.com
Mon, 01 Oct 2001 10:11:57 +0200

Tom Allison wrote:
> On Sunday 30 September 2001 18:38, Shigeo Tanai spewed forth:
> > At 02:44 01/09/30, Markus Alt wrote:
> > >With regard to other IDE devices (e.g. a 2nd HDD), I haven't had any
> > >success so far when trying to "warm-swap" them, even though I tried to
> > >unregister/register with "hdparm". If someone has managed to do this,
> > >I'm also very interested in hearing from it ...
> >
> > If you force re-initialization of whole ide1 interface, you could.
> > You maybe able to access hdc, however tweaking with DMA setting
> > there after can cause a mess.  You probably end up using the
> > device in PIO mode.
> >
> Has anyone tried this with a CD-ROM & Battery on at A21m?

On a T21 and a T22. Works fine as the battery is "passive". I can't
remember to have tried it when booting with the 2nd battery in the
UltraBay, just the other way. But with the boot parameter "hdc=cdrom"
(same story as when booting with the floppy in the UltraBay), it should
be ok.


Markus Alt
IBM Lab Boeblingen, Germany

----- The Linux ThinkPad mailing list -----
The linux-thinkpad mailing list home page is at: