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| Hard Drive Support Support Forum for hard drives; Western Digital, Seagate, Maxtor, Toshiba |
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#41 (permalink) |
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Moderator, Hardware Forums
Join Date: Oct 2004
Location: Omaha, The Center of the Universe
Posts: 7,632
OS: WinXP, Win2K3
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The 137 GB barrier and DDO
So you can only get you computer to show 137GB on that 500GB drive. This can be a limitation of either the system motherboard BIOS or the OS itself. This all has to do with LBA or Logical Block Addressing. I don’t want to go too deep into the technology aspects of this so I will just briefly cover it.
28 bit LBA will only support drives up to 128GB. 48 bit LBA will support drives up to 128PB or 128,000,000GB Native WinXP and Win2K (no service packs) will only support up to 137GB. This is because they only support 28 bit LBA. This was addressed with service pack 1 for WinXP and service pack 3 for Win2K. http://support.microsoft.com/kb/305098 http://support.microsoft.com/kb/303013 If you have a Windows OS install disk without a service pack, you can slipstream the service pack into the install CD. http://www.techsupportforum.com/showthread.php?t=120956 This will enable you to format the entire drive during the initial install of the OS. Most motherboards, manufactured after 2004, will support 48 bit LBA. If it does not, you may need to check with the manufacturer for a BIOS upgrade. If the motherboard is to old, you have several options. The most preferred is to get an optional PCI IDE controller card. This will remedy the problem since the controller card will have 48 bit LBA support and does not rely on the motherboard BIOS. The other option, and the one that is not recommended, is to install DDO. DDO or Dynamic Disk Overlay is merely a Band-Aid and I would not trust it for what its worth. It actually does not fix the problem at hand. DDO is a software translation driver to allow access to the full capacity of the hard drive. It also goes by names like Big Drive Enabler, Disk Manager, EZ-Drive, etc.. The idea behind one of these programs is pretty simple: they override, in software, some of the BIOS code in your motherboard or hard drive controller, allowing access to the full size of a new hard drive on an older system. In otherwords it "fakes" the system so it can see the size of the drive. The software must be loaded immediately when the machine is booted, to ensure that the driver is in place before any other piece of software tries to access the drive. Otherwise, the drive will not work properly. To ensure that they are always loaded immediately at boot time, the installer, for this sort of program, modifies the boot drive's master boot record and installs the driver at the beginning of the disk. Word of caution. Do not believe that using these type software drivers (DDO) is as good as proper BIOS support. It isn't. There are numerous problems associated with using these drivers for large disk support, which is why I do not recommend their use. Here are just a few: Compatibility Problems: When you use one of these drivers they essentially set up their own logical disk volumes using a non-standard format. This means you are not using your disks the standard way. This isn't usually a problem in and of itself, since most operating systems know about these drivers, but the potential for incompatibility exists. Reduced Drive Interoperability: The drivers that come with the various manufacturers' drives are normally customized for that manufacturer's equipment only. This means that if you put a Maxtor drive in your PC and later want to add a Seagate, for example, you may have a bit of a problem. You will have to at this point probably purchase the full version of something like Disk Manager, and for the extra cost you will be better off buying an add-in hard drive controller. Problems Removing the Driver: Some of these overlays can be very difficult to remove from the disk, and require you to use uninstall facilities that come with the driver, if you want to get rid of them. When you do remove the driver, say because you have upgraded to a PC that supports large drives, you may have to zero fill and reformat the drive (though this may not be required). Floppy Disk Booting Complications: Because the driver is located on the hard drive, you must boot from the hard drive to load it. If you boot from a floppy, your hard drive may seem to "disappear" because the overlay wasn't loaded. The driver will allow you to boot from a floppy, but you must do it by booting the hard drive, waiting for the overlay to load and a message to be displayed that says "To boot from a floppy disk, press the space bar", and then put the floppy into the drive and press the space bar. Operating System Installation Issues: The drive overlay located on the hard drive can cause problems when using alternative operating systems, attempting to set up a multiple-OS system, and so on. You must verify that every operating system that you install is capable of handling the driver you are using. I have also found that doing data retrieval on a drive with DDO, that the data is unrecoverable. Most of the time these drivers will work OK. Especially if you are not doing anything too unusual with your PC. It is not the best way to deal with BIOS translation, given that much more reliable, and relatively inexpensive, hardware solutions exist, such as an add in PCI controller.
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Microsoft MCSA + Messaging, MVP, A+, Network+ ![]() ![]() Do you want a real Republican? HDD diagnostic tools / HDD data recovery software Last edited by TheMatt : 04-28-2007 at 04:21 PM. Reason: Fixed title |
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#42 (permalink) |
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Registered User
Join Date: Oct 2004
Posts: 49
OS: XP
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manually setting dma mode
go to the reg. key :
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}\0001 or 0002 (depending on beeing primary[0001] or secondary[0002] ide channel) there you modify the DWORD value of : if the drive is on master: "MasterDeviceTimingModeAllowed" or if the drive is on slave: "SlaveDeviceTimingModeAllowed" to ffffffff then go back to your device manager set your drive in IDE channel properties first back to pio and then, after confirming, again to dma ...that should do the trick[/b] Last edited by dai : 04-24-2007 at 12:43 PM. |
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#43 (permalink) |
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Moderator, Hardware Team
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XXCLONE the easy world of boot drive cloning
Welcome to the kindergarten easy world of boot drive cloning.
This project will demonstrate how to make an exact bootable clone (copy) of your existing hard drive. After the cloning process is complete, you may select which ever drive you want to boot from in the future. You shall have the ability to boot from the original drive or the new cloned drive. This process is uniquely desired for two reasons: A) You wish to make a redunant copy of your boot drive as a safeguard against OS drive crashing / data loss. You can also clone a non-booting partition such as a data / programs content hard drive or partition. B) If you have a computer system with a boot drive running out of space and you wish to install a new larger capacity hard drive but dont want the hassle of reinstalling your Windows Operating system and installing all your programs and data again. One of the great features of this program is it only copies actual data, byte by byte, it doesnt copy empty drive space. A little info before we get started: 1) There is no need to mess with any jumpers on your hard drives either before the xxclone has begun nor after. In fact if you change your drive jumpers after the start of the cloning process you will infact only hinder the successful completion of the cloning process. 2) For best results dont clone a boot drive partition which has had third party software tasks executed on it; example Partition Magic etc. 3) There are no limits to the cloning parameters; example: You can clone a larger drive to a smaller drive as long as there is sufficient space on the hard drive you wish to make the "target" Lets begin: Step 01: Go to www.xxclone.com / download section (look for download button on the left side of webpage) Download the 30 day trial version of XXclone (test drive) note: there is a freeware version also which has limited capabilities such as no incremental back-up. This feature is very useful for bi-weekly clone updating, its much faster as it only has to re-clone the changes since the last execution of the cloning process. Step 02: After downloading the program, navigate to the location you downloaded the program to and click on the program installer. Step 03: Upon completion of the program installation; go to Start / programs/ xxclone click on the xxclone.exe icon to launch the program. Step 04: The main console will look like this ![]() Step 05: Here you select the Source drive (red circle) this is the drive which you want to make a copy of; usually the source is your boot drive C:drive Then you must choose the Target drive (blue circle) the target drive is the one you want to clone, this will be the new copy of your boot drive. Step 06: From the main console you must also choose which type of clone you wish to make, the most common is a "Full bootable back-up" this option is choosen for the first time clone of your drive and "if" you want to make it bootable. This is the most common choice by far. (red arrow=Backup 1) Step 07: Click on the "Cool Tools" Tab ![]() In the "Cool Tools" section click on the "Make Bootable" button. The activation of this button will bring up this mini screen. ![]() Step 08: Click on each of the three bootable options check mark boxes. (they are circled in orange) Step 09: Optional step but a very useful one: Click on the "Make Quick Boot Diskette" (only if your system has a floppy drive; otherwise ignore this step) insert a blank floppy disk in your floppy drive then click on the botton to start the floppy disk creation shown here: ![]() Step 10: Return to the Main Console after you have completed selecting all the choices we have discussed thus far. click the start button (red circle) on the main page to begin the cloning process. ![]() Thats the whole ball of wax! after the copying process is complete you will need to restart the computer. You do not need to change anything. Upon your first restart booting into the cloned drive; you should see a "Congratulations this is the first invocation of xxclone" you can now either begin using the cloned drive as your main boot drive for everyday use or you can use the clone for back-up purposes. Now for future every day use: Bascially there are two methods to access your cloned drive and or switch to the old boot drive. A) reboot the computer with the Quick Boot Diskette inserted into the floppy drive (this is the easiest way) Upon booting you will get a choice which drive you want to boot into; the Original Source drive or the Cloned Target drive. B) You can change your hard drive boot order in the bios prior to starting the boot process. This can also be accomplished easier by tapping F8 at the computer start up; tapping the F8 about once per second; this will bring up the bios Boot Loader the boot loader will give you a choice which device including optical drives to boot into, choose a hard drive and away you go! Closing Summary I suggest you print this out prior to starting your journey into cloning. If you have any trouble you may PM me for help or make a "New" thread in the Hard Drive section of Hardware. Numerous TSF staff members use XXclone frequently and can offer any assistance to review any step you may have missed. We hope you enjoy this project; it will deliver you a peace of mind knowing that you have the ultimate back-up ready when your boot drive decides to take a vacation. goodluck & enjoy
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![]() IF YOUR HARD DRIVE DIED RIGHT NOW; WOULD YOU CRY ??? ASK US FOR HELP DEVELOPING A DATA BACK-UP METHOD Last edited by dai : 04-27-2007 at 05:18 AM. |
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#44 (permalink) |
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Moderator, Hardware Team
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Hard Drive Diagnostic Utilities
Diagnostic Utilities By Manufacturer
Here are links to diagnostic utilities for hard drives by the manufacturer. Conner Hard Drives: Use Seagate Utilities Fujitsu Hard Drives: Diagnostic Utilities Here Hitachi Hard Drives: Diagnostic Utilities Here IBM Hard Drives: Use Hitachi Utilities* Maxtor Hard Drives: Use Seagate Utilities Quantum Hard Drives: Use Maxtor Utilities Samsung Hard Drives: Diagnostic Utilities Here Seagate Hard Drives: Diagnostic Utilities Here Toshiba Hard Drives: Use Hitachi or Maxtor Utilities Western Digital Hard Drives: Diagnostic Utilities Here What are these utilities for? These utilities are downloaded onto a Floppy or Bootable CD and booted from to test the stability (health) of hard disks. If an operating system or restore disk fails to install multiple times, for example, the hard disk may be in danger of failing. What should I do if a hard disk is failing? Your best option is to hook the hard disk up as a slave onto another computer or put it in an external USB/Firewire/eSATA enclosure and retrieve your data before it fails. If a test shows that your hard disk is likely to fail, you should plan on buying another hard disk. Most hard disk manufacturers offer a warranty, so if your hard disk is under warranty to see if you can get a replacement. How do I determine my hard disk manufacturer? The easiest way is just to look at the drive. There is usually a sticker with the manufacturer's logo on it. Once you determine the manufacturer, run the corresponding diagnostic utility from the link. You can also use PC-Config on the Ultimate Boot CD, which will help you identify your hard disk without the need of booting into your operating system. How can I find the manufacturer for future reference without opening up my computer? You can use a utility called Everest to check who the manufacturer of your hard disk is and it's health status from within Windows. To check who the manufacturer is, go into the Storage > ATA section and scroll down to the bottom to view the manufacturer and their website. To check the health status of a hard disk, go into the Storage > S.M.A.R.T. section and check that the status of each is Value is normal or Always passing. Keep in mind though, the manufacturer's utility that you run from the links above will be specific to the brand of the drive and will probably be more accurate. Storage > ATA ![]() Storage > S.M.A.R.T. ![]() What if I don't have a floppy drive? Most of the utilities have an ISO image for a CD, but if they don't, you can use the Ultimate Boot CD, which can be found here. *For IBM Hard Drives, use the Hitachi Utilities. For IBM desktops, laptops, and servers, visit this site. Thanks to hwm54112 and petercj for helping me revise this guide.
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- Matt M - KB1OSC - Folding@Home 85015 ![]() ![]() ![]() If TSF has helped you, please consider donating. If I have stopped responding to a thread, feel free to send me a PM with a link to the thread. It is advisable to subscribe to threads so you will receive updates when replies are posted. You can subscribe to threads from the "Thread Tools" Menu. »Memtest86 »Prime95 »UBCD »SpeedFan »NHC Personal »Everest »Sandra »PC Wizard »RivaTuner »ATi Tool Click here for Useful Articles and Guides Last edited by TheMatt : 07-03-2007 at 10:50 AM. |
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#45 (permalink) |
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Moderator, Hardware Team
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ALWAYS back up your registry before performing any modification! A corrupt registry because of an edit can cause a lot of problems.
__________________
- Matt M - KB1OSC - Folding@Home 85015 ![]() ![]() ![]() If TSF has helped you, please consider donating. If I have stopped responding to a thread, feel free to send me a PM with a link to the thread. It is advisable to subscribe to threads so you will receive updates when replies are posted. You can subscribe to threads from the "Thread Tools" Menu. »Memtest86 »Prime95 »UBCD »SpeedFan »NHC Personal »Everest »Sandra »PC Wizard »RivaTuner »ATi Tool Click here for Useful Articles and Guides |
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#46 (permalink) |
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Moderator, Hardware Team
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Important Information About RAID Arrays
This article has been moved:
http://www.techsupportforum.com/arti...sing-raid.html
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- Matt M - KB1OSC - Folding@Home 85015 ![]() ![]() ![]() If TSF has helped you, please consider donating. If I have stopped responding to a thread, feel free to send me a PM with a link to the thread. It is advisable to subscribe to threads so you will receive updates when replies are posted. You can subscribe to threads from the "Thread Tools" Menu. »Memtest86 »Prime95 »UBCD »SpeedFan »NHC Personal »Everest »Sandra »PC Wizard »RivaTuner »ATi Tool Click here for Useful Articles and Guides Last edited by TheMatt : 05-30-2007 at 08:54 PM. |
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