Go Back   Computer Forums > General Computing > Hardware
Click Here to Login
Join Computer forums Today


Reply
 
Thread Tools Search this Thread Display Modes
 
Old 09-17-2007, 03:48 PM   #1
Solid State Member
 
Join Date: May 2007
Posts: 19
Default If I change my jumpers can I get more Harddrive space?

I think I recalled that my harddrive was 40gb but it came with only 20gb in it. I just saw a friend of mine get a 80gb harddrive and switch the jumpers to get a 120gb harddrive.

I checked everest and the only info i found about my harddrive was its number: WDC WD200BB-75AUA1

can someone tell me if I can get more juice from my harddrive?
__________________

nuro is offline   Reply With Quote
Old 09-17-2007, 04:22 PM   #2
Fully Optimized
 
A True Folder's Avatar
 
Join Date: Jan 2007
Posts: 2,789
Default Re: If I change my jumpers can I get more Harddrive space?

If that model number is correct it is only an 18GB hard drive, switching jumpers does not "magically" increase physical disk size so I have no idea what you think you saw your friend do.
__________________

__________________
E8600@ 4.25GHz, 1.325V | Thermalright Ultra 120 eXtreme + Scythe Slipstream 120 | Asus Rampage Extreme| 4GB Corsair 2000MHz 8-8-8-24 @ 1600 6-7-6-24| ASUS 9800GTX| Pioneer 18X SATA DVD-RW | 320GB + 500GB WD SATAII | Antec True Power Trio 650W | Thermaltake Sonata | Vista Ultimate x64 SP2/Win7 Ultimate
A True Folder is offline   Reply With Quote
Old 09-17-2007, 04:27 PM   #3
muz
Golden Master
 
muz's Avatar
 
Join Date: Oct 2006
Posts: 6,928
Default Re: If I change my jumpers can I get more Harddrive space?

Sometimes hard drives have a jumper setting to limit their size to something , like my 60gb seagate baracuda has one to limit size to 36 or 32gb i think
But i dont think that hard drive will have that feature
__________________
Desktop-AMD Athlon 64 X2 6000+-2GB Elixer DDR2 800 250gb+500gb+500gb+120gb
Laptop-Apple Macbook Pro 13" Intel core i5(2.3ghz) 4gb Ram 320gb hard drive
muz is offline   Reply With Quote
Old 09-17-2007, 04:48 PM   #4
Fully Optimized
 
MooseMan's Avatar
 
Join Date: Nov 2005
Location: United States
Posts: 2,627
Send a message via AIM to MooseMan
Default Re: If I change my jumpers can I get more Harddrive space?

You will also find that Windows will not utilize the entire drive's capasity. I have a 250GB HD and it only uses 234GB or somewhere around that. The larger the HD the more space is not utilized.
__________________
.::The top folder on the CF F@H team::.
http://fah-web.stanford.edu/cgi-bin/...&teamnum=42655
MooseMan is offline   Reply With Quote
Old 09-17-2007, 04:50 PM   #5
muz
Golden Master
 
muz's Avatar
 
Join Date: Oct 2006
Posts: 6,928
Default Re: If I change my jumpers can I get more Harddrive space?

I think the correct ammount is 93% of the drives advertised size is what you can realy use , i have just checked it on my two drives and that seems the case
__________________
Desktop-AMD Athlon 64 X2 6000+-2GB Elixer DDR2 800 250gb+500gb+500gb+120gb
Laptop-Apple Macbook Pro 13" Intel core i5(2.3ghz) 4gb Ram 320gb hard drive
muz is offline   Reply With Quote
Old 09-17-2007, 04:52 PM   #6
Fully Optimized
 
MooseMan's Avatar
 
Join Date: Nov 2005
Location: United States
Posts: 2,627
Send a message via AIM to MooseMan
Default Re: If I change my jumpers can I get more Harddrive space?

Quote:
Originally Posted by muz View Post
I think the correct ammount is 93% of the drives advertised size is what you can realy use , i have just checked it on my two drives and that seems the case
sounds pretty accurate. I'm not sure why that is the case, maybe to prevent the hardrive getting currupt or something.
__________________
.::The top folder on the CF F@H team::.
http://fah-web.stanford.edu/cgi-bin/...&teamnum=42655
MooseMan is offline   Reply With Quote
Old 09-17-2007, 04:54 PM   #7
muz
Golden Master
 
muz's Avatar
 
Join Date: Oct 2006
Posts: 6,928
Default Re: If I change my jumpers can I get more Harddrive space?

Quote:
Originally Posted by MooseMan View Post
sounds pretty accurate. I'm not sure why that is the case, maybe to prevent the hardrive getting currupt or something.
I dunno maybe its cos HD makers measure a GB as 1000MB and windows measures it as 1024MB
__________________
Desktop-AMD Athlon 64 X2 6000+-2GB Elixer DDR2 800 250gb+500gb+500gb+120gb
Laptop-Apple Macbook Pro 13" Intel core i5(2.3ghz) 4gb Ram 320gb hard drive
muz is offline   Reply With Quote
Old 09-17-2007, 05:05 PM   #8
Fully Optimized
 
hascet's Avatar
 
Join Date: Jul 2006
Posts: 3,218
Default Re: If I change my jumpers can I get more Harddrive space?

Its also because some sectors on the drive are bad so Windows cannot use those sectors therefore it doesn't count it as free space.
hascet is offline   Reply With Quote
Old 09-17-2007, 05:52 PM   #9
Fully Optimized
 
MooseMan's Avatar
 
Join Date: Nov 2005
Location: United States
Posts: 2,627
Send a message via AIM to MooseMan
Default Re: If I change my jumpers can I get more Harddrive space?

Quote:
Originally Posted by muz View Post
I dunno maybe its cos HD makers measure a GB as 1000MB and windows measures it as 1024MB
that is actually a very good point. I don't know if that is correct because I knew they measured RAM that way but I did not know that about disk space.

hascet, on a new drive most of the time all the sectors will be good. Plus I doubt several gigs worth of sectors would be bad on every drive, that would be a horrible ratio.
__________________
.::The top folder on the CF F@H team::.
http://fah-web.stanford.edu/cgi-bin/...&teamnum=42655
MooseMan is offline   Reply With Quote
Old 09-17-2007, 07:06 PM   #10
Daemon Poster
 
connchri's Avatar
 
Join Date: Mar 2005
Location: Scotland, UK
Posts: 1,019
Send a message via MSN to connchri
Default Re: If I change my jumpers can I get more Harddrive space?

OK, heres a overly simplified explination of whats happening.

Hard drives write data on the disc platters in "cells" called sectors. Each sector however, must be address for the computer to recall and write data to it. In older machines, there was a limit to how many sectors you could address, or "map out". A bit like how 32bit Operating systems have a limit on how much ram they can address (3-4GB), over 64bit OS that can address Terabytes. In the days of only 50MB HDD's, they never thought ahead of the limits in the way they address the sectors and when larger drives came out like 30 odd GB. They had to improvise new ways to address larger ammounts. New ways to map out the sectors emerged, each surpasing the previous method, each being able to map out more sectors than the previous standard. The first standard to break the 504MB barrier was CHS (Cylinder Head Sector), followed by Extended CHS, then Large, LBA (Logical Block Addressing) etc etc.

What the jumper that your mentioning does, is force the hard drive to use a previous mode of addressing that limits the drive capacity to 32GB, as that is the limit to the sectors that standard can address so it can be compatible with older motherboards that does not support newer addressing methods such as LBA. It does not increase your hardrive capacity in anyway, it can only limit it, perhaps your mate accidenty had it in this mode. leave yours as it is if you are getting the full storage capacity of the specs of the drive.

A Note for the comment about missing 7% of hardrive space, this is because manufacturers still sells storage devices measuring KB as 1000 bytes, MB as 1000KB and GB as 1000MB, ie, a manufacturers labels a 160000000000 byte hard drive as "160GB". This is wrong! a KB is 1024Bytes, 1MB = 1024KB, 1GB = 1024MB, so to get a real 160GB Hard drive it should have 171798691840 bytes. And a 160000000000 byte hard drive is really a 149GB hard drive. It has nothing to do with the file system the drive is formatted in, as belived by a lot of techies.

Hope that helps.
__________________

__________________
Delta: "What's wrong Chris?? Chris: "I miss my old Cyrix"
connchri is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -5. The time now is 09:03 PM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Friendly URLs by vBSEO 3.6.0