About: http://webisa.webdatacommons.org/291489113

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	You can only have up to 4 virtual IDE disks on the guest (2 controllers with 2 disks each), but they are the only types of disk that the virtualized BIOS will boot from.
http://www.w3.org/ns/prov#wasQuotedFrom	technet.com