boot block

Noun

 * 1)  A dedicated block usually at the beginning (first block on first track) of a storage medium that holds special data used to start a system. Some systems use a boot block of several physical sectors, while some use only one boot sector. Other manufacturers use the terms boot block and boot sector interchangeably.

Translations

 * Chinese:
 * Mandarin: 啟動塊
 * Esperanto:
 * Finnish: käynnistyslohko