Ultimate Ultra-Mobile PC Blog

Wednesday, July 9, 2008

Deleting your Q1 EISA Partition

Most consumer computers these days have their drives partitioned: one for primary use and another for restoration. The Samsung Q1 is no different; it likely has a 10GB partition that you can't access because it contains restore / backup data. Unfortunately for the user the hard drives aren't very large to begin with. The average UMPC hard drive is 40-60GB and if you have 10GB of that taken for restore purposes that's roughly 10% of your available hard drive space gone before you begin putting anything of your own on it. Lucky for you I can tell you / show you how to remove it! It's a good idea to remove the partition if you want more space and have another way to backup / restore your computer. If you don't, you might want to leave it. It's also a good idea to do this when you first get your UMPC because it will require reinstalling your Operating System.


Tools Needed: External USB CD/DVD Drive, Original Operating System Discs (Windows XP or Vista), a pre-Vista Windows Disc like XP or 2000, and a USB Keyboard.


Note: The partition on the Q1 is an EISA partition. You can determine this by going to the start menu > right clicking on Computer > click on Manage > Click on Disk Management under Storage. You will probably have two Discs 0 and 1. The C drive will be installed on Disc1 (which is the second partition) and a blank drive letter for Disc0 (which is the restore partition). An EISA partition is not recognized by Vista and cannot be deleted by Vista, hence the need for XP or 2000 discs! See the following article by Microsoft:


http://support.microsoft.com/?kbid=242168


First you want to restart your Q1 / UMPC and go into the boot settings. On my Q1, you press the R button during the initial boot process. You need to change your boot settings to boot to the CD Drive first, instead of the hard drive. When you exit and restart, make sure the pre-Vista Disc (I used a Windows XP bootable disc) and boot into the setup.


Next, after the XP setup process (or whatever OS you used) has loaded; it will recognize both the EISA partition and your regular partition. From here you can delete both partitions (by pressing L) which will create one large non-partitioned drive that can then be partitioned into a single NTFS drive. Once the formatting is over Windows will want to start loading files onto the drive; it's at this point you can basically shut off the UMPC without any damage.


Since you are using an External CD/DVD drive, you can pop out the XP disc and insert your Operating System disc (this could be XP or Vista) and go through the normal reinstallation process when the system restarts.

* * *

As a side note on the reboot I sometimes had a problem where the External USB CD Drive I was using wasn't recognized by the system and it required an extra boot (not sure why). It was scary at first, but ended up not being much of a problem. You always need to make sure you have a bootable copy of the Vista / XP installation discs otherwise the installation process won't start. (Also make sure you are not booting to the additional software disc as they can look the same.)

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7 Comments:

  • If you read the link Microsoft Notes the problem:

    "After you upgrade a basic disk containing an Extended Industry Standard Architecture (EISA) partition to a dynamic disk, the partition is not displayed in the proper location and cannot be managed in the Disk Management snap-in (LDM) in Microsoft Management Console (MMC).

    When an EISA partition resides on a dynamic disk it is shifted by Disk Management to partition two, there is no drive letter associated with it, and it does not appear as a typical Simple volume. The only command available when you right-click the EISA partition is the Help command. Other commands, such as Explore, Reformat, and Delete are not available, including the ability to mirror the EISA configuration partition.

    The incorrect position of the EISA partition in Disk Management is an inconsequential side effect of the way LDM handles this type of partition."

    So if you follow the steps I've laid out to delete your EISA partition, it should work for just about any computer, not just your Samsung Q1U-V or any other Ultra Mobile PCs.

    By Blogger Chris Kenst, At August 25, 2008 10:15 AM  

  • My laptop is broken beyond economical repair. So I have the 2.5" HDD removed and reused on an external hdd casing.

    And I notice there is a 7GB EISA. Anyway of removing it besides ur current method? Since its an empty external hdd now unlike what u mention as a system hdd.

    THanks

    By Anonymous tortise, At November 30, 2008 10:54 PM  

  • Yep, you can use 'diskpart'. Make sure you've backed up anything you want to keep on it first.

    Then, open up cmd.

    Type diskpart

    Type list disk

    This will show you the disks in your system. Identify the disk which is your drive you want to clear the eisa config off. (you can also use 'disk management' in computer management to make this easier).

    Type select disk 6
    (or whatever disk no. yours is).

    Type clean
    (this will clean everything off the drive instantly)

    You can then continue to use diskpart, or use disk management to initialise and format the disk as required.

    Hope that helps...
    Stephen

    By Anonymous Stephen, At January 11, 2009 9:27 PM  

  • To get rid of The EISA Config. Partition, the DiskPart idea was one i haven't tried before, however, it doesn't seem to work because the EISA Partition isn't assigned a Letter:
    Anyone have something else?

    By Blogger Woody, At January 14, 2009 3:12 PM  

  • you don't select a partition by drive letter, but by partition id.

    Type list partition after you selected your disk.
    After that select partition by typing: select partition #
    now you can delete the eisa partition with the command:
    delete partition override.

    that's it

    By Anonymous Robert Folkers, At January 21, 2009 11:31 AM  

  • Thanks, this was very helpfull. My external USB drive was set to EISA during a reinstall recovery on my PC. This is the ony site I found which explained how to make the external drive useable again.

    Specific instructions about DISKPART is what did it for me.

    By Anonymous Anonymous, At March 25, 2009 11:45 PM  

  • Thanks for the mention of diskpart. I'm trying to clone my laptop drive with norton ghost and needed to start over, and diskpart was a saviour.

    By Anonymous Nick, At April 5, 2009 2:56 AM  

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