On googling, I found some very informative links on what makes a Software architect. Some are very abstract, but can easily relate to realistic functions.

Typical activities/scope of the role of architect from HP’s website. http://www.architecture.external.hp.com/Overview/arch_who_architect.htm

Architect Pages from IBM library
http://www-106.ibm.com/developerworks/rational/library/1854.html

Duties of Software Architect from SEI
http://www.sei.cmu.edu/ata/arch_duties.html

Becoming an Architect article at Artima.
http://www.artima.com/intv/architect.html

World Wide Institute of Software Architects
http://www.wwisa.org

Architect role page from wwisa
http://www.wwisa.org/wwisamain/role.htm

The role of Architect - article
www.bredemeyer.com/pdf_files/ArchitectRole.PDF