Thread: Peripherals

It is responsible for printing the speed necessary to the shaft with the discs, which is usually a 3,600 rpm motor this powered by direct current through to a small generator that incorporates. Allowing thus accurately determine the speed of rotation.

It is composed of several heads joined together, both physical as electrical and electronic. This unit is much more fragile than the floppy, and that the heads fly on the surface disk ie is a distance of several microns from the disc without touching it.

The magnetic field is created between the metal surfaces of the disk and the head is large enough to be able to read or write about them, but at much higher speeds than floppy disks, since there is virtually no friction whatsoever.

It is a precision electric motor. Its mission is to move the read-write head across the surface of the metal discs in a radial direction to move to the area and right cylinder. All set head and disc comes wrapped in a hermetically sealed box, to prevent dust and dirt on the environment are placed on the read-write head, causing then the occurrence of errors in obtaining data and in its recording, even to lose all the information contained therein.

Located in part lower set of hard disk. Contains electronic devices that control: the speed, the position of the read-write head and the activation of obtaining or recording information. This circuit has, in principle, three connectors: Two golden piste maps one white four-pin female AMP. The former are used to communicate with your hard disk controller card that is attached to the CPU, using another connector plane.