یک هارد 80 هست که فقط 30 گیگش رو می شناسه

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2 GB - 33.8 GB Limitation32 GB - 33.8 GB Limitation

div.inner_center_main_content ol li p {font-size:100%;}If the operating system, BIOS, DiscWizard, or MaxBlast can only recognize 32 GB of the drive it may be caused by one of the following:

1. 
   Drive Jumpers: Applies to Mac and Windows users. On ATA/IDE drives that are larger than 32 GB there is a Capacity Limitation Jumper (CLJ), also known as the Limit Capacity Jumper or the Alternate Capacity (AC) Jumper setting. This jumper will limit the capacity of the drive to 32 GB and should only be used when the BIOS hangs when trying to auto-detect the drive. If you have two jumper shunts on the drive you will need to remove the CLJ or AC jumper. For more information on Seagate and Maxtor ATA jumper settings, see Knowledge Base Answer ID: 3050
   
   If you format the drive with the CLJ or AC jumper then the drive capacity will be limited to 32GB. After removing the CLJ or AC jumper the drive will still be recognized as 32GB. You must reformat the drive without the CLJ or AC jumper to gain the full capacity of the drive, which will erase all the data on the drive. The other option is to create a second partition with the remaining unallocated disc space. See here for instructions on reformatting a hard drive.
   
   
2. BIOS: On older systems (pre- November 1998) the BIOS may not support drives that are larger than 32 GB. In the BIOS setup please set the drive type to AUTO detect. If the BIOS detects the full capacity of the drive then the BIOS will support the capacity of the drive. If not please perform one of the following:
   
   
   
   
   1. Check with the system or motherboard manufacturer for any BIOS upgrades for the system.
      
   2. If a BIOS update is not available from the manufacturer you can also visit the following site: www.esupport.com and download the BIOS Agent to determine if an update is available for purchase for your system. The BIOS Agent will identify the BIOS on your system and provide you with all of the information that you will need for ordering a BIOS update. Seagate provides this information as a courtesy to its customers and has no official affiliation with esupport.com.
      
   3. (Recommended) Purchase a PCI ATA controller card that will support the capacity of the drive. The two benefits of ATA controller cards are:
      
      
      1. The ability to support large capacity drives
      2. The ability to support the faster transfer rates of the drive.
         
         
      
      
   
   
3. Operating System: Windows Vista/XP/2000 have a 32 GB format limitation for FAT 32. That means if you formatted the drive in FAT 32 with Windows Vista/XP/2000, the largest partition supported is 32 GB. You will need to format the drive in NTFS if you want to partition the drive larger than 32 GB.
   Another option is to create (an) additional partition(s) with the remaining unallocated disc space.
   A third option is to format the drive using DiscWizard, MaxBlast, or FDISK in Windows 98 or ME.
   
   
4. 
   Incorrect Reporting to the BIOS: The drive itself may be reporting the incorrect size to the BIOS. In order to correct this, you will need to download Seatools for DOS, boot into the SeaTools disc, and run the Set Capacity utility.
   NOTE: It is recommended that you only have the hard drive reporting the incorrect capacity connected to your system while performing the following steps. Any other hard drives should be disconnected.
   NOTE: It is recommended that you back up any important data on the hard drive before using SeaTools to set the drive size. This is a potentially data destructive procedure. Seagate is not responsible for any lost data.
   See here for a tutorial on Seatools for DOS. Also see below:
   
   
   1. Insert the SeaTools for DOS CD or floppy disc into the appropriate drive, and restart your computer. When SeaTools boots up, carefully read the license agreement, and press Y if you accept it.
      
   2. Select the correct drive from the list at the bottom of the screen, by pressing its corresponding number on your keyboard.
      
   3. Press C to select the Set Capacity option.
      
   4. Press M to reset the drive to its maximum capacity.
      
   5. Once the capacity has been set, SeaTools has returned to the main screen, take the SeaTools CD out of the drive and completely power down the system. The system needs to be shut down so any cached information is cleared. If you simply reboot or reset your computer without completely powering it down first, the corrected capacity setting will not take effect.
   
   After correcting the drive capacity, the drive will still be recognized as 32GB. You must reformat the drive to gain the full capacity of the drive, which will erase all the data on the drive. The other option is to create a second partition with the remaining unallocated disc space.
   

Jumper Settings
Below are the different jumper setting configurations you may encounter using the Limit Capacity Jumper Setting on Seagate drives:
(And see this graphic for Maxtor drives.)
Single Master with Limit Capacity
[ :] : : [:]
Slave with Limit Capacity
: : : [:]
Master with Non-ATA Compatible Slave
This is usually ATAPI devices like CD-ROMs plus Limit Capacity




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