Interface Cards & Controllers

Knowing about the hard drive in your computer

eneral Information About Hard Drive

• Hard Drive is an important component in your PC to store the operating system, data, songs, etc..
• Hard Drive using direct-access method in the process of reading and writing so that it only requires a short time in carrying out both processes.
• The speed of accessing and the amount of storage capacity is a very important factor to be considered in the disk, so no longer will attend a Terra byte hard drive with capacity and data transfer speeds of more than 3 GB / s.
• Now, not only for PC hard drives (PATA, SATA) or a laptop or server (SCSI) but for a portable multimedia player such as Mobile, etc.. Hard drive now usually have a minimum of three discs and each disc has a read and write heads.

Hard disk has:
1. Plate / Disc is a place to write data.
2. Place to keep track of many data points.
3. Compiler tracks the sector.
4. Head Arm is the arm to move the read and write heads.
5. Read and write head of a needle to write and to read the disc.
6. The central spindle rotation for the disc drive.
And many more parts of the disk but that is discussed here is only six sections.

Note:

• Cluster is the smallest part prepared by the sector and used in a FAT file system, but to NTFS using the Meta File Table (MFT)
• The capacity of the cluster varies between 512 bytes to 32 KB.

Several important factors when the hard drive to work are:
1. Seek Time (time required to reach the target track position)
2. Rotational Latency (time to reach the target block after the tracks can)
3. Data Transfer Time (Data Transfer Speed, ex: 7200 rpm, equivalent to 50 MB / s)

Stages of the write process (in brief):
1. Computers were ordered to store data
2. Ordered computer hard drive to perform the write process
3. Then the disk on the disk will rotate according to the data transfer speed, ex: 7200 rpm or equivalent 50 MB / s.
4. When the disk rotates head arm will move the read and write heads to move around looking for tracks to write data.
5. When the search process takes quite a long time called seek time.
6. When tracks are found, read and write heads will be waiting for the disk rotates until it finds the right sector to write data.
7. The time needed to wait until the rotating discs found in the sector called Rotational latency.
8. When sector is found then there write process by changing the direction of polar orientation bit on these discs (a microscopic process)

Stages of the process read (in brief):
1. Computers are commanded to read data
2. Ordered computer hard drive to perform read process
3. Then the disc on the hard disk will be spinning appropriate data transfer speed, ex: 7200 rpm or equivalent 50 MB / s.
4. When the disk rotates head arm will move the read and write heads to move around looking for tracks where data is located.
5. When the search process takes quite a long time called seek time.
6. When tracks are found, read and write heads will wait until the rotating discs found the sector where data is located.
7. The time needed to wait until the rotating discs found in the sector called Rotational latency.
8. If the sector has found it there was the process that is read by reading the magnetic flux from the location which is then translated into digital, 0 and 1.

Note:
1. The dominant factor in the performance of hard disk seek time
2. when a process read and write search by the head, read and write head is flying at a distance with a very thin disc.

About the Author

hi,.. i'am bedakdeo, you can find me at http://www.mahjonk.com

Backing Up Info On Your Mac With An External Tough Drive

The Apple Corporation presents still a different backup software remedy. It's called "Backup", imaginatively storage area network white paper plenty of, and it helps people to accomplish a vast selection of backup operations to a assortment of destinations which includes the user's.Mac account, an external challenging drive, or a CD or DVD. In buy to use this program, you will will need a.Mac account.

Finally, verify out Carbon Duplicate Cloner, which is still an additional shareware plan that permits you to make precise copies of entire disks or personal files and save them onto an exterior tough push. Carbon Duplicate Cloner also helpfully involves even invisible files in the backup process.

Computer Restore Hints - 7 Far more Early Warning Symptoms of a Hard Generate Crash

Okay, even the most effective of machines, even brand name-new-outta-the-box ones will misbehave by locking up occasionally. From time to time... If you get started have lockups every single other time you boot up your machine, the generate can be having a lot of read/publish storage area network justification problems that overwhelm it. Time to go purchasing.

Windows' drive diagnostic tool Scandisk if just one of my faves. By managing it and setting it to "automatically fix" problems, you can see if your push has bodily terrible "spots" or sectors on the disk platters. You can also use a 3rd-celebration program. All the leading tricky push companies have absolutely free utilities on their sites.

Diagnostic Recommendations For Hard Drive Data Recovery

Electrical difficulty - where by the circuit board on the tough disk has been ruined due to a increased than allowed electrical ongoing passing through it. Open up your system's ATX cabinet box, acquire out your hard drive, and closely analyze the circuit board under the hard drive. Do not touch the board as static discharge can damage the disk's head. If there are telltale indicators of a burnt circuit board or burnt components, then you can make your mind up for certain that it is a board issue.

Mechanical dilemma - the place the head that reads the info stored on the several platters arranged inside difficult push damage or the alignment of the platters by themselves affected. The confident sign of a mechanical storage area network market size predicament is the clicking sound that you will hear from the really hard push when it is striving to spin up or spin down. If this click sound is coming, then the difficulty linked to mechanical hassle inside of the really hard disk platter assembly.

Add an Extra Challenging Drive to Your Pc - Inner or External?

The other program has the SATA drives or the Serial ATA drives.  For these drives the cables are skinny and are about the diameter of a pencil.

The well-known and mass-industry computers will normally have the PATA or the SATA drives. Even though is also doable that your laptop has SCSI hard drives, in which scenario you will need to have SCSI cables.

Can a SATA and PATA harddisk be attached to the same keyboard? Which is faster, SATA or PATA?

I have a old 10Gb PATA harddisk. I wish to assemble a new computer and want to go for SATA harddisk. So can both be installed on the same motherboard without any problems, I mean that do currenr mother boards support both IDE and SATA. Which one will give me faster performance?

to the same keyboard?
/me slaps Soumik Karmakar about with a wet fish

lol way to ask a million questions,

answer: Take the old hdd to a pc shop. get them to burn the contents to a dvd. and just use the sata. sata much faster.

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