ATA over 127 GByte on FBSD 4.8 ?

Glenn Dawson glenn at
Tue Aug 2 12:03:51 GMT 2005

At 12:32 AM 8/2/2005, Mark Terribile wrote:

> > [materribile wrote]
> > > ===I recently replaced smaller drives with a 160G and 250G drives (IDE).
> > > They were on the Gigabyte motherboard's SiS 963 chipset.  I 
> discovered that
> > > attempts to access anything above 127G resulted in errors:
> > > ...
>[Kris Kennaway wrote]
> > Try 4.11 if you don't want to make the leap to 5.x - it's unlikely
> > that anyone will be able to help you if the problem is in 4.8 itself.
> > 4.11 can definitely access >127GB.
>Looming over this is the possibility that, after I install 4.11, it still
>won't work, not because of a basic problem in the OS, but because I have
>some setting wrong somewhere.

Are you asking for solutions to problems you don't have yet?

>I'd be grateful for suggestions on what to
>check -- and for any history about when support for >127 GByte entered
>FreeBSD.  (Is this `lba48 support'?)  I did go back and read release notes;
>if it was in there I missed it.

According to CVS logs, 48 bit addressing first appeared in version of ata-disk.c which was included in the 4.5 release.


>     Mark Terribile
>Do You Yahoo!?
>Tired of spam?  Yahoo! Mail has the best spam protection around
>freebsd-questions at mailing list
>To unsubscribe, send any mail to "freebsd-questions-unsubscribe at"

More information about the freebsd-questions mailing list