Question about Buffalo Technology 750GB USB SATA 2.0 HD DS 750 GB Hard Drive

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Disk continually locks up

First of all, I'm not sure this this is the correct area to post this. I have two 500 GB USB drives, (SATA Bridge) which were purchased in Japan, where I live, and from the day I bought them they won't stay mounted and working for more than a few hours. They are being used on a Mac that was running os 10.4.10, and 11, but is now 10.5. Strangely enough, if they are being continually accessed, like when copying a 150 GB file or permanently playing tunes form an iTunes library stored there, they work fine. But every now and again, when they are not actually being used, they lock up. It almost looks as if some periodic routine access form the OS is jamming them up, but anyway, it is a right pain. I formatted them various ways, but the problem persisted (currently they are Mac OS extended (Journaled)). I haven't been able to get any assistance here in Japan, where they are made!!(I believe) and I should really have taken them straight back to the shop but I couldn't believe two drives would fail so badly so often so I assumed I had done something wrong. Any ideas what is going on, or are they just duff products?

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I believe you should opt for MAC OS Extended (journaled) because journaling if more reliable and fault resilience. You can get details on this partition type on http://support.apple.com/kb/ht2355

Posted on Jul 20, 2011

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Shows up as "Initio Combo Device Class" not a "Disk Drive"


RESOLVED the ISSUE...!!

Hi, Yesterday I get into similar problem of having my USB Drive ( WD passport Elite 320gb ) not being detected by my PC and as soon as I connect to it, Initio Combo device class drivers gets loaded and Drive do not show up in the device list...!!
I tried several options.1. Freezed my hard drive for 12 hrs in the freezer. It did not help me today.2. I have opened the USB drive shell ( becareful, I have damaged it.. see the instructions before you try t ). You can find the 2.5' HDD inside and there will be SATA to USB bridge adapter. I was having doubt on this bridge unit as I read through several blogs.3. luckily I have a unused 2.5' Laptop HDD. So I have removed this bridge unit carefully and tried to connect to my HDD. If the bridge is good, my HDD must be detected right away..But it is the same problem.. It did not work.. Hence I have confirmed that it is the bridge problem..
4. I bought a Rs. 250/- ( 5$ ) 2.5 SATA casing that is available in the market to use the 2.5' SATA HDD through USB. ( actually I do not know where I can buy only the bridge..hence bought the entire unit..which is still cheaper )
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I GOT all my data..with just Rs.250/- ( $5 ) ..I am happy to try this on my own..!!


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