I think it's one, but look at your license, usually eula.txt or license.txt in the root folder of the application and/or CD-ROM. It also shows up during setup. There's a paragraph somewhere in there that tells you the specifics.
//not that I read all the EULA/licenses...
AMD Athlon64 3200+ S939
1024MB Dual Channel DDR400 Corsair XMS with LED activity indicators
256MB GeForce 6600 PCI-E by Chaintech
Aspire X-Navigator case with 500W PSU, 6x80mm fans, 1x120mm fan
Gigabyte nForce4/PCI-E S939 mobo
80GB 7200MB 8MB WD IDE HDD
16X DVD±R Dual Layer burner
Memory card read/writer
...and a Led Zeppelin sticker!