Re: ewf flash partitioning

From: Günter Wirth (g.wirth_nospam_at_extec.de)
Date: 09/29/04 

Date: Wed, 29 Sep 2004 10:16:26 +0200

Hi,

We use Linux to do the job, see dd, sfdisk or mkfs.msdos.

Regards,
Günter

"Matt Sullivan" <matt.sullivan@leica-geosystems.com> schrieb im Newsbeitrag
news:eTE0RVdpEHA.3728@TK2MSFTNGP09.phx.gbl...
> Thanks for the help, however I'm still a little confused and I think I may
> have lead you slightly astray.
>
> I am using PCMCIA ATA flash cards, not CF although I understand they're
the
> same electrical interface. My target hardware is a JLT8401 single board
> computer with two pcmcia slots, no floppy or hdd support (
> www.jltmobilecomputers.com .) I only use a usb reader because it's
> convenient on my desktop pc. I've also tried partitioning in a couple of
> different laptops with the same results.
>
> The only thing that I have noticed different with my new SanDisk card is
in
> windows under the 'Volumes' tab of the disk properties the 'Partition
Style'
> is 'Master Boot Record' compared to 'Not Applicable' for the previous
> devices I have tried.
>
> What defines whether True IDE mode is used? Do I physically need an
adapter
> from PCMCIA to IDE, or will it work through the CardBus controller in a
> laptop and the cirrus logic PCMCIA controller in the JLT computer?
>
> I have found through experimentation that a windows 2000 laptop will allow
> me to delete then existing partition, then create a new partition on this
> disk, however it forces the first partition you create to be the size of
the
> entire disk.
>
> I have in previously created multiple partitions under linux, however I
> found that my windows systems (laptops and target xpe device) would only
> recognise and use the first partition. Do you think I would have more
> success with the latest SanDisk card?
>
> There's one other piece of info that may or may not be relevant: The bios
of
> the JLT computer ("Insyde software version 1.01 (3.05-25)") detects a
pcmcia
> flash card in the first slot as the primary master. However a card in the
> second slot is not detected by the bios. I'm not sure if this implies that
> the first card at least is using "True IDE" mode? Or is this some
> proprietary bios feature to support booting from pcmcia? (The bios also
> supports the systemsoft cardboot functionality, however the bios
detection -
> and indeed booting from flash cards - works regardless of whether this is
> enabled.)
>
> Once again, thanks for the help,
> Matt
>
> "Günter Wirth" <g.wirth_nospam@extec.de> wrote in message
> news:OWErc4SpEHA.2588@TK2MSFTNGP12.phx.gbl...
> > Hi,
> >
> > In True IDE mode, the product reports 044Ah indicating the drive is not
> > removable (see data***).
> >
> > To use Windows tools the removable flag must be deleted, otherwise it is
> > not
> > possible to create partitions on the device.
> >
> > You have to connect the CF over a adaptor directly to the IDE bus. If
you
> > use a USB reader the device is still removable.
> >
> > With Linux tools it's possible to create partitions with the removable
> > flag.
> >
> > Regards,
> > Günter
> >
> >
> > "Matt Sullivan" <matt.sullivan@leica-geosystems.com> schrieb im
> > Newsbeitrag
> > news:e%23t9XFSpEHA.3428@TK2MSFTNGP11.phx.gbl...
> >> After much searching I finally sourced a SanDisk pcmcia flash card
> >> (SDP3BI-256-201-80) that is apparently meant to be configured as a
fixed
> >> disk by default. I was quite dissapointed to find that when I put it in
> >> my
> >> desktop xp machine it still appears as a removable disk. (And I can't
> > create
> >> multiple partitions for use with EWF.)
> >>
> >> I've also tried 'ATCFWCHG /P /F' after booting into dos from the card
> >> itself. The utility says 'pass', but the result under xp is the same.
> >>
> >> Is there something I'm missing here? Do I need to do the partitioning
> >> from
> >> within an XPe environment?
> >> (I don't see why it would be any different, however I've got no other
> > ideas
> >> of what could be wrong.)
> >>
> >> BTW: How is this normally handled in a production environment? It seems
> > like
> >> a kludge to have to manually partition, possibly run bootprep and then
> > copy
> >> the image. Can anyone recommend software to create/copy an entire disk
> > image
> >> to a pcmcia card under xp? (Preferably through a usb card reader, but
I'd
> >> settle for laptop pcmcia support.)
> >>
> >>
> >
> >
>
>