Installing SL 5.3 i386 via http, on a DELL PowerEdge2650, I get
the following error:

 " Your cpu does not support long mode. Use a 32bit distribution"

My boot.iso, is, of course the i386 version !

With SL 4.8 the same procedure works fine.
I also tried 5.0, which fails too.

Any idea ?
Cheers,
J-P