HP Compaq d330 ST Hardware Reference Manual page 45

Hardware Upgrades
✎
If you have installed a PATA hard drive that is not automatically
recognized by the computer, see Appendix B, "PATA Hard Drive
Installation Guidelines."
If you have installed a SATA hard drive that is not automatically
recognized by the computer, refer to the white paper "Implementation
of Serial ATA on HP Business Desktops" for operating system
www.hp.com/support
instructions. The white paper is located at .
Hardware Reference Guide www.hp.com 2-35