The bottom line is it's not solved at all. As you note "all sorts of
explanations here", and most of them are definitely wrong, in fact most
of them discuss the issue without ever answering the question at all.


GG WILLIKERS wrote:
> Barry Watzman wrote:
>> Ok, Toshiba A135-s4457.
>>
>> Factory setup.
>>
>> It has a 1.46GB "Eisa Partition" on the hard drive (no drive letter,
>> invisible).
>>
>> What is it?
>>
>> Google search turns up LOTS of people asking this question, lots of
>> speculation (most of it I believe wrong). Does anyone know?
>>
>> It is NOT a "restore partition"; it's too small. The system has a
>> 120GB drive and with NO additional software installed, it's using
>> 34GB. Ok, there is a lot of "crapware", but even using compressed
>> files, it takes about 3GB to 5GB to setup a restore configuration for
>> Vista Home Premium, this is WAY too small to be a restore partition.
>>
>> So, to repeat the question: Anyone know what it is? Apparently,
>> whatever it is, it is quite common (on other Toshiba models as well as
>> on other brands of laptops).
>
> All sorts of explanations here:
> http://forums.techguy.org/windows-vi...-notebook.html
>