[ltp] How to get specs of a Thinkpad device (X40 SD Card Reader)

Alex Deucher linux-thinkpad@linux-thinkpad.org
Fri, 29 Jul 2005 13:55:01 -0400


On 7/29/05, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Fri, Jul 29, 2005 at 01:27:17PM +0200, Tom=E0s N=FA=F1ez Lirola wrote:
> > I'm looking for the drivers for the ThinkPad X40 SD Card Reader.
> > They don't exist, and I want to try to build them, but I lack de specs,
> > and I don't know where to get them. I've written to Ricoh, IBM, and got=
 no
> > response.
>=20
> You can't. The SD consortium license prevents manufacturers from
> releasing sufficient specs. Your only real hope is to reverse engineer
> the Windows driver.
>=20

I think that's changing.  the SD consortium now has some basic specs
on SD and SDIO and there are available databooks for several SD
controllers out there.

Alex

> --
> Matthew Garrett | mjg59@srcf.ucam.org