Chapter III collocation of Linux and hardware

(1) The host has two IDE interfaces, and each IDE interface can be differentiated as Master (master) and slave (slave device). So there are four IDE devices.

The four partitions of the device file name in the Linux system are/dev/hda1 to/DEV/HDA4.

Important Information: (a) In fact, the so-called "Partition" is only for the 64bytes partition table to set up;

(ii) The default table of hard disk can only write four sets of partition information;

(iii) These four sets of partition information we become the primary (Primary) or extension (Extended) partition;

(d) The smallest unit of the partition is the cylinder (cylinder).

Usually the hard disk is divided into four partitions, the primary and extended partitions, up to only one extended partition, the IDE hard disk expansion partition up to 59 logical partitions, SATA 11.

Since the partition table as recorded in the first sector is so important to MBR, almost as long as the read hardware is first read by this sector.

CMOS is a memory that records various hardware parameters and is embedded on the motherboard.

Chapter III collocation of Linux and hardware