Re: Boot from compact flash?

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Slobodan Brcin \(eMVP\) (sbrcin_at_ptt.yu)
Date: 02/15/05 

Date: Tue, 15 Feb 2005 11:33:30 +0100

David,

Plain CF usually do not have controllers that you speak of. (USB flash disks usually have this wear leveling control trough their
dedicated controller).

Regards,
Slobodan

"David J. Craig" <SeniorDriversWriter@shogunyoshimuni.com.net> wrote in message news:%230%23XextEFHA.628@TK2MSFTNGP15.phx.gbl...
> I know of some companies that use CF to run Windows XP Embedded in locations
> such as cash registers. The last I heard, flash memory had increased their
> number of erase/write cycles to 300,000. The controller embedded in the
> flash memory (drivers for the controllerless forms of flash memory)
> reassigns a logical block that is being written to the oldest block that was
> previously written and not currently in use. Most flash memory devices have
> more physical blocks than they expose to the OS's file systems and use those
> to replace bad blocks and to keep from writing to a single physical block
> too much of the time.
>
> "Blue Stranger" <Blue Stranger@discussions.microsoft.com> wrote in message
> news:301544ED-0CF4-4966-B189-9EE9F3BF88F8@microsoft.com...
> > Jennifer,
> > This is basically a hardware and BIOS question. If your hardware presents
> > your CF as mass storage that can be partitioned and formatted and if the
> > BIOS
> > will boot from that partition then the answer is yes. However CF is not
> > designed for the many rewrites that will probably occur. XP Embedded
> > deals
> > with this issue with a component named the Enhanced Write Filter.
> >
> > "jennifer" wrote:
> >
> >> Is it possible to boot from compact flash devices? This should
> >> give almost instant booting?
> >>
>
>

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