Main site  http://www.ensembl.org/index.html 
-> links to  http://www.ensembl.org/downloads.html
-> links to  http://www.ensembl.org/info/data/ftp/index.html

There, the EMF link leads to:

ftp://ftp.ensembl.org/pub/release-66/emf/ensembl-compara/epo_6_primate/

(chromosome 11 is there, too)