System Administration Guide: Devices and File Systems

x86: Disks With Direct Controllers

To specify a slice on a disk with an IDE controller on an x86 based system, follow the naming convention shown in the following figure.

Figure 5–2 x86: Disks With Direct Controllers

Diagram of device name for disks with direct controllers
that includes logical controller, drive, and slice or fdisk partition.

To indicate the entire Solaris fdisk partition, specify slice 2 (s2).

If you have only one controller on your system, w is usually 0.