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There are two on ebay (search 12.5mm enclosure). Does anyone have any experience with either one?

I have a 200GB Western Digital HD with a USB-to-IDE external enclosure. Everytime when I plug the USB cable into to my Toshiba L25-S119 notebook computer, the Windows XP Home hang/freeze. The following are some information about my computer hardware, OS, and HD:

Computer maker and model: Toshiba Satellite L25-S119
Hardware information (general):
CPU: Intel Celeron M 370 (1.5GHz) 1MB L2, 400MHz FSB
RAM: 768MB (256 + 512) PC4200 DDR2 533MHz SDRAM 1.8V SODIMM
Chipset: ATI RADEON XPRESS 200M Chipset
Southbridge: ATI SB400
Internal HD: 60GB FUJITSU MHV2060AH, 5400RPM, EIDE (ATA-6)
Optical drive: MATS.H.I.TA DVD/CDRW UJDA770

OS and BIOS information:
OS: Windows XP Home with SP2
BIOS: Toshiba v1.80 (12/14/05)

External USB HD: Western Digital 200GB HD (IDE)in NTFS with 2 partitions. (approximately 150 + 50 GB)

External Enclosure: Metal Gear Box with AC-to-DC power supply.

Other information:

The external USB HD works fine with my another two desktop PCs: Windows XP Pro SP2 and Windows 98 SE (with NTFS for Win98 and USB driver). And, it also works perfectly with my friends’ Sony and HP notebook computers (Win xp Home).

My first thought was a driver problem. However, I checked the drivers it installed in this notebook were same as my other PCs.

I tried Windows XP Pro SP2 clean installation on this computer, but the problem still occured. Therefore, it is not some problems with the Home edition of Windows XP.

The external enclosure has a DC power supply, so power won’t be the problem.

I have tried all my three USB ports. All the three USB ports works fine with my SanDisk 1GB Flash drive.

I did a CHKDSK using my desktop PC, and the disk was fine.

I also uninstalled and reinstalled all the USB and disk drivers, but it still the same.(set DEVMGR_SHOW_NONPRESENT_DEVICES=1 devmgmt.msc)

The only situation that it works with this computer is when I boot the computer from Knoppix Linux CD. So, I guess this is not a hardware problem. How do you guys think? Thanks in advance.
I forgot to mention that both my computer and external enclosure are with USB 2.0 ports, and the drive works fine with other computers that have either USB 2.0 or USB 1.1.
First, thanks for all the answers.
One more thing…
I took out my Maxtor 91531U3 15.3GB HD (FAT32) from my old desktop PC and put it in the same enclosure. Then plug it in this Toshiba NB. Guess what? It works.
So, it should be some problems with this Western Digital HD, right?

I have a toshiba notebook hard drive in a USB enclosure. I have right clicked on the files to bring up the properties sheet, and none of the files have the read only box checked. It still wont let me delete any files because it says they are read only.

I boutght a Adaptec 120 HDD enclosure for a 2.5″ notebook HDD…

The manual says that hooking up both usbs to a port will allow data to come/go from one and a second one is for power. It states that you don’t need the power supply unless you are only hooking up one (which one it doesn’t say or mark) then you need a 5 volt adapter (which it didn’t include or speak of on the package)

Has anybody got this thing to work at all, and if so, how? (I might be off to find the dang adapter… but probably taking it back to Best Buy instead)
“Right first off, I have bought several enclosure kits and they all came with power leads and adapters and all the necessarry cables and more.”

umm… I happy for you. But this model does not come with one. I have already checked and not only does it not come with one but it doesn’t indicate the specs so I CAN get one. I have an email in with Adaptec regarding the power.
Okay folks, like many of my problems, I eneded up figuring it out myself. No odd errors or anything with USB, just never powered it. Maybe ’cause it’s USB1.1 … who cares. The point is a 5V Radio shack adapter and 500Ma or more and you are squared away and only need the one USB port (and USB 1 works, although sslloooowwww). Still annoyed it doesn’t mention not having one…

My bottom line, buy any other USB enclosure kit other then Adaptec. I will never buy ANYTHING from them again