Robert, the part of the firmware I'm talking about is stored on the hard disk platter in special reserved sectors, so it's not a matter of electronics. I guess there are only few people on the planet who have the means to rewrite those sectors.
Best regards, Andre Robert L Cochran schrieb: > Yes, I get the same results whether the drive is jumpered for cable > select, master, or there is no jumper at all (that defaults the drive to > cable select, doesn't it, and yes I'm using an 80 conductor cable.) > > I did one more thing, I put the hard drive in my freezer for a while and > then took it out and connected it. Same results at hand -- the test > machine's BIOS warns that no hard drive is detected and for the primary > IDE master drive it displays the text 'WD204BB'. > > So you think I need to replace the firmware on the drive? Is that a > costly operation? I do have a small electronics lab here and might be > able to attempt that. I don't think my friend can afford the services of > Kroll or Ontrack. > > Thanks > > Bob > > > Andre Tertling wrote: >> Did you check the master/slave jumpers? WD drives have three different >> settings, one for single drive, one for master with slave present and >> one for slave drive. The wrong ID string leads me to the assumption >> that the part of the firmware that's being loaded from the platter >> during startup is broken. This can't be fixed by mere mortals. >> Companies like Kroll/Ontrack and others can rescue your data (given >> that the hard disk didn't shredder your data but just its firmware) >> but I doubt that there is anyone else who could put a new firmware >> onto your hard disk. But do try google though :) >> >> Best regards, >> Andre >> >> >> Robert L Cochran schrieb: >>> I did indeed get two WD200BB-75DEA0 hard drives from an Ebay seller. >>> After Googling for photos on how to replace the existing circuit >>> board with a donor board and going out to Home Depot to buy a Torx >>> screwdriver set in various sizes (I needed a T-8 size), I swapped in >>> board #1 and plugged the hard drive into my test machine. The test >>> machine, though, didn't detect ANY IDE devices, including the DVD >>> drive. I spent too much time on that before moving to a second test >>> machine. The BIOS on that machine paused for a long, long time and >>> then issued a message stating it couldn't detect a hard drive, press >>> F1 to continue. I did and I saw the following text listed for the >>> primary IDE master: WD204BB >>> >>> I then removed the "patient" drive (the one I'm trying to rescue) and >>> plugged in the second of the donor drives to see if it can be >>> detected by the BIOS. This time there was no lengthy pause from the >>> BIOS during POST and I saw the following text listed for the primary >>> IDE master: WD200BB-75DEA0 which is what I would expect to see of a >>> "live" Western Digital drive. >>> >>> I swapped in the circuit board of the second donor drive with the >>> "patient" and got the same result: the text "WD204BB" displays as the >>> primary master drive in the BIOS screen, and I get a BIOS warning >>> that no hard drive is detected. >>> >>> Finally, I reinstalled the donor circuit board to the first donor >>> drive and test it to make sure it is detected in BIOS. It is detected >>> with the string WD200BB-75DEA0 as expected. Yes, lesson learned -- >>> test the donor drives first before swapping boards. >>> >>> So it looks like circuit board replacement won't fix the hard drive >>> of interest to me. Is there some other hardware I can replace such as >>> the drive motor? Is this an operation requiring special tools and >>> great skill? >>> >>> Thanks >>> >>> Bob Cochran >>> >>> Greenbelt, Maryland, USA >>> >>> >>> Matt Smollinger wrote: >>>> Yeah the WD200BB is sufficient. That 75DEA0 match is nice but not >>>> required. >>>> I wanna say that's firmware rev or board rev. Its probably also >>>> possible to >>>> get a WD200JB board to work, but I wouldn't try it. JB is their special >>>> edition series with extra cache, but since this is a recovery >>>> operation for >>>> one, and two you don't know if it will really work, I'd try very >>>> hard to >>>> match exact models. >>>> >>>> Matt Smollinger >>>> Application Engineer for Convergence Tech. >>>> AdvancedAV ATG >>>> >>>> >>>> >>>> >>>>> From: Robert L Cochran <[EMAIL PROTECTED]> >>>>> Date: Fri, 21 Sep 2007 19:25:05 -0400 >>>>> To: Matt Smollinger <[EMAIL PROTECTED]> >>>>> Cc: <[EMAIL PROTECTED]>, 'g4u-help' <[email protected]> >>>>> Subject: Re: [g4u-help] Rescue Older Western Digital WD200 (20 Gb) >>>>> >>>>> Thanks Matt and Brian. I'm looking into this really seriously. I >>>>> notice >>>>> that on this Western Digital drive, there is a printed box on the >>>>> label >>>>> with the model number (WD200BB-75DEA0), a date (25 Aug 2002) and a DCM >>>>> code (HSBHNA2AA). Does the replacement circuit board have to come >>>>> from a >>>>> drive matching on all 3 of these things, or is a match on model number >>>>> only sufficient? >>>>> >>>>> Do I need to match on the drive parameters as well (there is an LBA >>>>> string printed on the label too as in "LBA 39062500"? >>>>> >>>>> >>>>> >>>>> Bob Cochran >>>>> >>>>> >>>>> Matt Smollinger wrote: >>>>> >>>>>> I've done similar to what Brian recommended with good success. If >>>>>> the motor >>>>>> is burnt out though, you may be out of luck, but buying used >>>>>> drives and >>>>>> swapping the whole electronics board works great. Just make sure >>>>>> the models >>>>>> match. >>>>>> Matt Smollinger >>>>>> Application Engineer for Convergence Tech. >>>>>> AdvancedAV ATG >>>>>> (m)610-304-1204 >>>>>> (o)610-431-6174 >>>>>> >>>>>> >>>>>> >>>>>>> From: Brian Lawrence <[EMAIL PROTECTED]> >>>>>>> Reply-To: <[EMAIL PROTECTED]> >>>>>>> Date: Thu, 20 Sep 2007 21:32:09 -0500 >>>>>>> To: 'g4u-help' <[email protected]> >>>>>>> Subject: Re: [g4u-help] Rescue Older Western Digital WD200 (20 Gb) >>>>>>> >>>>>>> I've had very good success with purchasing used drives online as >>>>>>> well as >>>>>>> from ebay to fix similar problems. In many cases the problem is >>>>>>> the circuit >>>>>>> board and swaping it works fine. Generally there are only 4-5 >>>>>>> torxhead >>>>>>> screws to remove and the surface contacts between the board and >>>>>>> the drive >>>>>>> should match up even if if the used drive you buy has a slightly >>>>>>> different >>>>>>> board revision or has a different firmware version installed. A >>>>>>> quick search >>>>>>> on ebay found this sale showing a used WD200 drive for $0.01 >>>>>>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=140159259848. >>>>>>> This would >>>>>>> be a whole lot cheaper than having a data recovery company >>>>>>> extract the data >>>>>>> for you. If it doesn't work, you're only out a few bucks. >>>>>>> >>>>>>> Brian >>>>>>> >>>>>>> >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: [EMAIL PROTECTED] >>>>>>> [mailto:[EMAIL PROTECTED] >>>>>>> Behalf Of Robert L Cochran >>>>>>> Sent: Thursday, September 20, 2007 8:21 PM >>>>>>> To: g4u-help >>>>>>> Subject: [g4u-help] Rescue Older Western Digital WD200 (20 Gb) >>>>>>> >>>>>>> >>>>>>> A friend's Western Digital WD200 drive crashed. The system BIOS >>>>>>> does not >>>>>>> see the drive. This means software won't see the drive either. It is >>>>>>> like the drive motor has burned out or perhaps a voltage >>>>>>> regulator has >>>>>>> gone. My question is, does this type of drive failure indicate a >>>>>>> possible bad circuit board part? Are there parts on the drive I >>>>>>> might >>>>>>> try replacing just to see if I can bring the drive to life just long >>>>>>> enough to get the data off it? I have a small lab here and I'm >>>>>>> able to >>>>>>> solder surface mount and/or through-hole parts as needed. >>>>>>> >>>>>>> If a consensus emerges that this is a practical idea to try...my >>>>>>> next >>>>>>> question is can I get replacement circuit board components from the >>>>>>> drive manufacturer? If not the manufacturer, what is a good >>>>>>> alternate >>>>>>> source? Mouser? Digi-Key? >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> Bob Cochran >>>>>>> Greenbelt, Maryland, USA >>>>>>> >>>>>>> >>>>>>> ------------------------------------------------------------------------- >>>>>>> >>>>>>> >>>>>>> This SF.net email is sponsored by: Microsoft >>>>>>> Defy all challenges. Microsoft(R) Visual Studio 2005. >>>>>>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>>>>>> _______________________________________________ >>>>>>> g4u-help mailing list >>>>>>> [email protected] >>>>>>> https://lists.sourceforge.net/lists/listinfo/g4u-help >>>>>>> >>>>>>> >>>>>>> ------------------------------------------------------------------------- >>>>>>> >>>>>>> >>>>>>> This SF.net email is sponsored by: Microsoft >>>>>>> Defy all challenges. Microsoft(R) Visual Studio 2005. >>>>>>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>>>>>> _______________________________________________ >>>>>>> g4u-help mailing list >>>>>>> [email protected] >>>>>>> https://lists.sourceforge.net/lists/listinfo/g4u-help >>>>>>> >>>>>> ------------------------------------------------------------------------- >>>>>> >>>>>> >>>>>> This SF.net email is sponsored by: Microsoft >>>>>> Defy all challenges. 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