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Old 30th December 2006, 23:33   #1
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Question Computer experts plz help ( 160GB HDD shows as 149GB)

Hi friends,

On my PC, I have a 160GB Hdd but in the Disk Management option the total i get is of 149GB where is the rest 10~11GB of hdd ? My OS is Windows XP Professional (Version 2002) Service Pack2. I have updated(Microsft Updates) it today only but no luck

( its printed on my HDD as 160GB + Its of Seagate)

Any jugaad to this bhai logon ?

Thanks

P4C
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Old 31st December 2006, 00:29   #2
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Its normal dude. My laptop 40 GB shows 37.2 GB. I think kilobytesbytes in HDD are 1000 = 1 MB where as FAT32 takes 1024 as 1 MB.. But this is one thing..

Others experts can tell..
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Old 31st December 2006, 00:31   #3
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Its perfectly normal...160GB is just a marketed size/number but technically its is only ~149GB

1 kilobyte = 1024 bytes
1 megabyte = 1024 kilobytes = 1,048,576 bytes
1 Gigabyte = 1024 megabytes = 1,073,741,824 bytes

Divide 160,000,000,000 by the 1 GB (1,073,741,824) = ~ 149.012 GB.

So nothing to worry...
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Old 31st December 2006, 00:44   #4
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160 Gb is actually formatted capacity, vendors specify this way only its normal.
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Old 31st December 2006, 01:46   #5
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I also have some trouble here with Seagate Sata NCQ 160GB hard disk.Syste4m runnin on windows xp, 4 partition of capacities 20.2 , 19.1 , 38.1, 50.4.So ttoal memory comes to around 128 GB. Is there any method to recover some more space??? ....but trouble is tht i should not loose the data stored.....wat say guys??? any idea??
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Old 31st December 2006, 02:09   #6
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Quote:
Originally Posted by hari_rama View Post
I also have some trouble here with Seagate Sata NCQ 160GB hard disk.Syste4m runnin on windows xp, 4 partition of capacities 20.2 , 19.1 , 38.1, 50.4.So ttoal memory comes to around 128 GB. Is there any method to recover some more space??? ....but trouble is tht i should not loose the data stored.....wat say guys??? any idea??
Go to control panel, administrative tools, computer management and then click to disk management and have a look if there is a free space on your hdd you can make new partition.
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Old 31st December 2006, 03:36   #7
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Normally, manufacturers specify their Hard Disk Capacities such that 1000 MB is shown as 1 GB. In such a case, the indicated capacity of a 120 Gb HDD would be 12000 MB, as shown below. However, in absolute computing terms, 1 GB is actually equal to 1024 MB.
This creates a small discrepancy in the HDD size shown by the Manufacturer (for whom 1000 MB = 1GB) and that shown by Windows and other OS's (which count 1024 MB as 1 GB).

The differences for various hard disk sizes are shown below.

[FONT=Arial]Size[/FONT]
[FONT=Arial]Mfr[/FONT]
[FONT=Arial]KB_Actual[/FONT]
[FONT=Arial]Diff_KB[/FONT]
[FONT=Arial]Diff_MB[/FONT]
[FONT=Arial]20[/FONT]
[FONT=Arial]20000[/FONT]
[FONT=Arial]20480[/FONT]
[FONT=Arial]480[/FONT]
[FONT=Arial]0.47[/FONT]
[FONT=Arial]40[/FONT]
[FONT=Arial]40000[/FONT]
[FONT=Arial]40960[/FONT]
[FONT=Arial]960[/FONT]
[FONT=Arial]0.94[/FONT]
[FONT=Arial]60[/FONT]
[FONT=Arial]60000[/FONT]
[FONT=Arial]61440[/FONT]
[FONT=Arial]1440[/FONT]
[FONT=Arial]1.41[/FONT]
[FONT=Arial]80[/FONT]
[FONT=Arial]80000[/FONT]
[FONT=Arial]81920[/FONT]
[FONT=Arial]1920[/FONT]
[FONT=Arial]1.88[/FONT]
[FONT=Arial]120[/FONT]
[FONT=Arial]120000[/FONT]
[FONT=Arial]122880[/FONT]
[FONT=Arial]2880[/FONT]
[FONT=Arial]2.81[/FONT]
[FONT=Arial]160[/FONT]
[FONT=Arial]160000[/FONT]
[FONT=Arial]163840[/FONT]
[FONT=Arial]3840[/FONT]
[FONT=Arial]3.75[/FONT]
[FONT=Arial]250[/FONT]
[FONT=Arial]250000[/FONT]
[FONT=Arial]256000[/FONT]
[FONT=Arial]6000[/FONT]
[FONT=Arial]5.86[/FONT]
[FONT=Arial]320[/FONT]
[FONT=Arial]320000[/FONT]
[FONT=Arial]327680[/FONT]
[FONT=Arial]7680[/FONT]
[FONT=Arial]7.50[/FONT]
[FONT=Arial]500[/FONT]
[FONT=Arial]500000[/FONT]
[FONT=Arial]512000[/FONT]
[FONT=Arial]12000[/FONT]
[FONT=Arial]11.72[/FONT]
[FONT=Arial]750[/FONT]
[FONT=Arial]750000[/FONT]
[FONT=Arial]768000[/FONT]
[FONT=Arial]18000[/FONT]
[FONT=Arial]17.58[/FONT]


In addition to this difference, several other factors need to be considered:

1) During the post-manufacture tests, all hard disks will be found to have at least a few errors. These errors are masked out in the EIDE BIOS of the HDD, leading to a small loss in capacity. This is often why even two identical hard disks may end up showing different capacities.

2) Manufacturers often preload software onto the hard disk, such as diagnostics and drivers (especially for larger HDD's). These are often hidden on a masked partition to prevent accidental tampering, again reducing the disk's indicated capacity.

3) When a disk is formatted, a certain amount of disk space is taken up to write the File Tables. In disks that have been partitioned, separate space may be taken to write each partition's File Table, with Primary Partitions carrying Master File Tables.

4) Motherboards based on older chipsets often have LBA limitations imposed on them by the chipset, preventing recognition of larger hard disks (remember the old 32 GB limitation of Intel's 440BX?). This may also apply to motherboards based on newer chipsets that have not been updated to the latest BIOS version.

Hope this has helped somewhat.

NPP
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Old 31st December 2006, 04:14   #8
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Actually 10 percent of your hard disk patition is taken up by system restore for creating restore points which in this case for all partitons comes out to be 16 gb(approx)the.Now you dont really want to allocate 10% of your partition for sytem restore right?Simply change it to 2% of total hdd in the system restore settings which is enough for two restore points.Hope this solves your query.
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Old 31st December 2006, 11:26   #9
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Quote:
Originally Posted by Digital Vampire View Post
Its perfectly normal...160GB is just a marketed size/number but technically its is only ~149GB

1 kilobyte = 1024 bytes
1 megabyte = 1024 kilobytes = 1,048,576 bytes
1 Gigabyte = 1024 megabytes = 1,073,741,824 bytes

Divide 160,000,000,000 by the 1 GB (1,073,741,824) = ~ 149.012 GB.

So nothing to worry...
yes the explanation is right and few space is allocated to file sytem you use FAT32,NTFS etc.
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Old 31st December 2006, 12:29   #10
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Quote:
Originally Posted by Mugen_Power View Post
Go to control panel, administrative tools, computer management and then click to disk management and have a look if there is a free space on your hdd you can make new partition.
Hey Mugen POwer,thanks for the help....It worked n i got aroung 21 GB of free space
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Old 31st December 2006, 14:28   #11
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Quote:
Originally Posted by hari_rama View Post
Hey Mugen POwer,thanks for the help....It worked n i got aroung 21 GB of free space
Thats Great..
Congrates for you 21Gb Hdd.

Mugen.
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Old 31st December 2006, 17:45   #12
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Quote:
Originally Posted by revvedup View Post
Actually 10 percent of your hard disk patition is taken up by system restore for creating restore points which in this case for all partitons comes out to be 16 gb(approx)the.Now you dont really want to allocate 10% of your partition for sytem restore right?Simply change it to 2% of total hdd in the system restore settings which is enough for two restore points.Hope this solves your query.
better dont use restore stuff. saves space and wont hide those nasty worms and virus.

OT! how many of you actually have used the restore option?
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Old 3rd January 2007, 19:41   #13
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Also how do you format disk or create new partiton in FAT32 format??
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Old 3rd January 2007, 20:12   #14
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Also keep deleting old restore points and unwanted files by using Disk clean

Right click on selected drive, choose properties, and go for advanced..This way you will also free up more space.

For Optimum Disk Utlization, Run a Defrag..Once a month

Last edited by wolfinstein : 3rd January 2007 at 20:13.
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Old 3rd January 2007, 22:38   #15
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Quote:
Originally Posted by angelfire View Post
Also how do you format disk or create new partiton in FAT32 format??
If your system is running on Win Xp then go to control panel,administrative tools,computer management, Disk management.

Or you can use Partition Magic to format disk or create,edit,delete partition.

Mugen.
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