From: Philip Blundell (pb@nexus.co.uk)
Date: Wed Jan 22 2003 - 05:50:22 EST
The flash ROM is a surface mount part that's soldered down to the board.
However, you don't need to replace the chip - it can be reprogrammed in
circuit using JTAG. This does involve soldering a few wires onto the
PCB, but it's considerably more straightforward than removing and
refitting the flash devices.
If you have a CF card, it may also be possible to use the parrot bootldr
to reprogram the flash without any soldering. There is some information
on this in the handhelds.org wiki. It's a slightly dangerous process,
in that if it goes wrong it can leave you with no valid firmware at all,
but it doesn't sound like you have a great deal to lose at this point by
trying.
p.
On Wed, 2003-01-22 at 10:32, Glen Barnes wrote:
> Unfortunately the hh.org boot loader is gone from my system (I think I,
> flashed the whole lot instead of just the OS).
>
> I guess I have to replace the Flash ROM chip. And idea where I could get
> one of these from? Do you know if the are soldered in or can be replaced
> by just unplugging it?
>
> Thanks,
> Glen
>
> -----Original Message-----
> From: Joshua Wise [mailto:joshua@joshuawise.com]
> Sent: 22 January 2003 01:58
> To: gbarnes@pumatech.com; bootldr@handhelds.org
> Subject: Re: [Bootldr] Bricked iPaq
>
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> > Hi,
> >
> > I was trying to re-install PocketPC2002 on my iPaq and manged to brick
>
> > it (I Think). It now comes up with the Compaq iPaq screen with p 1.04
> > 2.30 in the bottom right hand corner. It also says Cannot execute
> > repllog.exe.
> >
> > Is this 'bricked' and if so what can be done about it? Compaq say the
> > unit is out of warranty.
>
> No, there is still hope for you :) If you are lucky, you will be able to
> reflash the hh.org bootldr down. You want to keep the hh.org bootldr on
> there until you have flashed wince itself back to the device, otherwise
> the standard iPAQ bootldr will try to find core wince files and hang.
> Note that you can still boot wince from the hh.org bootldr, so I don't
> recommend that you remove it. (unless you're using a 39xx, in which case
> bootldr cannot boot wince yet.)
>
> Hope this helps,
> - --joshua
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