HARD DISK DRIVES

HARD DISK

Defination

It is stores a magnetic mass secondary storage device which stores the data permanently in digital format

Hard Disk Connecting Two Types

1. Internal Hard Drive
2. External Hard Drive

Internal connector Hard Drives are Two Types these are

1. IDE/PATA
2. SATA 

IDE/PATA

•  IDE Stands for Integrated Drive Electronic
• PATA stands for Parallel advanced technology attachment
• IDE Consists of 40 Pins 
• It is connected to the Maximum Support 2 Devices
• IDE data Transfer rate is 133MBPS
• IDE stores the data BYTES 

JUMPER SETTINGS

 

SATA

• SATA stands for Serial Advanced Technology Attachment
• SATA consists of 7 pins
• It is connected to the Maximum One device Only
• SATA data transfer rate is 600MBPS
• SATA stores the data BIT by BIT
• it has 3 types

1. SATA 1.0- 1.5 GBPS
2. SATA 2.0- 3 GBPS
3. SATA 3.0- 6 GBPS 

SCSI 

•  SCSI stands for small computer system Interface
• SCSI consists of 50pins
• It is maximum connected 15 Devices
• this motherboard using in SERVERS