Basic Linux Devices

The first partition on a IDE hard drive is called partition 1, and is called /dev/hda1 if the drive is the primary IDE master.

/dev/fd0	Floppy disk
/dev/hda1	IDE Hard drive 1, partition 1
/dev/hdb3	IDE Hard drive 2, partition 3
/dev/sda1	First SCSI interface (probably hard drive), device id 1
/dev/sdc3	First SCSI interface, device id 3
/dev/cdrom	CD ROM drive
/dev/mouse	Mouse device, sometimes a pointer to another device such as /dev/psaux, a ps/2 mouse driver.

primary IDE master	/dev/hda
primary IDE slave	/dev/hdb
secondary IDE master	/dev/hdc
secondary IDE slave	/dev/hdd

The first partition on a IDE hard drive is called partition 1, and is called /dev/hda1 if the drive is the primary IDE master.