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Posted

Hi,

I hav question in XP regarding the SATA HDD!. I Juz Brought a Samsung 200GB of SATA HDD. Which has 8meg. So i should get 192GB RITE?. :no: But then XP detect onli 186GB?? :huh: only??? then how abt the 6GB of free space??? :( i dun how.. can someone advise mi on these issue?? :no: or anyone has this problem before onn the sata.. Tks.. rGds..

Cheers

Ting..


Posted

It all depends on who is doing the counting. Windows XP uses the proper 1GB = 1024MB method. However, most drive manufacturers use the improper 1GB = 1000MB method.

I have two WD "250GB" drives in my system which WinXP says are 232GB drives...which comes out to 249,990,901,760 bytes. Divide that out using the drive manufacturers way and you'll get ~250GB. Divide that out using the proper way and you'll get ~232GB.

Posted

Oic.. OkIe.. Can explain more on the Manufacturers way? how should i do it? divde them using which program??? :unsure:

cos i got the hdd only? No Drivers or install program is given. tat y. it is OEM. so can u tell mi how do to make manufacturers way? can Gulide mi pLs... Tks AloTs :D

best Rgds

Ting....

Posted

What I meant by "divide" is actually divide the numbers out...as in with a calculator. :) I'll use my 250GB drive as an example:

Right Way

249,990,901,760 bytes / 1024 = 244,131,740 Kbytes

244,131,740 Kbytes / 1024 = 238409.9 MBytes

238409.9 MBytes / 1024 = 232.8 Gbytes

"Wrong" Way (Which most drive manufacturers use)

249,990,901,760 / 1000 = 249990901.76 KBytes

249990901.76 KBytes / 1000 = 249990.9 MBytes

249990.9 Mbytes / 1000 = 249.99 GBytes

Does that make more sense?

Posted (edited)

Hi there,

the manufacurers count the correct way

8bits = 1byte / 1024byte = 1KB / 1024kb = 1MB / 1024MB = 1GB (corrected!)

The reason why a 250GB HDD does not show 250GB under ANY operating system

is, because some of the drive space is reserved for the internal hardrive bad sector recovery.

Sectors get faulty in a drive and you will never notice, because it has a self healing feature that grips by itself. That´s the reason you´ll never get the

whole space a drive claims to have, though it really has it.

Cheers

Edited by naturekid
Posted (edited)
1024byte = 1MB

8 bit = 1 byte

1024 bytes = 1KB

1024KB = 1MB

1024MB = 1GB

http://www.webopedia.com/TERM/B/byte.html

http://www.webopedia.com/TERM/k/kilobyte.html

http://www.webopedia.com/TERM/m/megabyte.html

http://www.webopedia.com/TERM/g/gigabyte.html

Newtork transfer rates and drive capacities aren't a direct translation to each other.

Edited by nmX.Memnoch
Posted

Tingsters,

Don't worry about it. Your computer and Windows is handling it the correct way. ;)

Just enjoy the speed that the new SATA drive is giving you. :thumbup

I find that my own SATA drive is about ten times (10X) faster than my old IDE drive.

:yes:

Enjoy!

Andromeda43

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