flash drive serial number seems different on Mac & Win

Phil Davis revdev at pdslabs.net
Fri Dec 22 14:27:15 EST 2006


Thanks Alex - works like a charm!

Phil Davis



Alex Shaw wrote:
> Hi Phil
> 
> Try using the values from the windows registry..
> 
> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR\Enum
> 
> The serial number seems to be consistent with OSX on the USB devices 
> I've tried.
> 
> regards
> alex
> 
> Phil Davis wrote:
>> Can anyone tell me how to resolve this issue?
>>
>> On Windows, I plug in a generic flash drive and do a "vol". here's 
>> what I get:
>>
>>  Volume in drive E has no label.
>>  Volume Serial Number is D50E-596C    <---- key item here
>>
>>
>> Then I switch over to Mac OS X and do a "system_profiler 
>> SPUSBFileType" in terminal. Here's what I get (just the relevant part):
>>
>>     USB Flash Memory:
>>
>>       Capacity: 489 MB
>>       Removable Media: Yes
>>       Detachable Drive: Yes
>>       BSD Name: disk2
>>       Version: 1.00
>>       Bus Power (mA): 500
>>       Speed: Up to 480 Mb/sec
>>       OS9 Drivers: No
>>       Product ID: 0x6533
>>       Serial Number: 0B205760D0225926    <---- key item here
>>       S.M.A.R.T. status: Not Supported
>>       Vendor ID: 0x0930
>>       ...
>>
>>
>> Note that the reported serial numbers are different, even though they 
>> are reporting info about one and the same device. I've tried some base 
>> conversions to resolve the differences, but without success.
>>
>> Can anyone please explain how to reconcile the difference between the 
>> two reports? Thanks in advance for all comments - this list is 
>> *stinking rich* with experience!
>>
>> Phil Davis
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