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Re: Some questions on eCos 2.0


Hi Gary,

The FILE dates on all the redboot images in the /images/powerpc/viper directory are May 20, 2002.  However
the BUILD dates (i.e. the dates that come up when RedBoot is started or when the version command is
executed) are the following:

/images/powerpc/viper/redboot_RAM.bin - May 1, 2001
/images/powerpc/viper/redboot_ROM.bin - May 1, 2001
/images/powerpc/viper/redboot_ROMRAM.bin - Apr 12, 2002
RedBoot that comes up when I turn on my viper - May 1, 2001
RedBoot that comes up when you turn on your viper - June 1, 2002

I have a feeling that even though the file date is May 20, 2002 that the RAM and ROM images in the
/images/powerpc/viper directory are not up to date based on thier build dates.  Is that the case and if
so, where can I get updated images?

Also, am I correct to download the srec images or should I be downloading bin images?

Best regards,

Paul Randall
Delta Information Systems

Gary Thomas wrote:

>
> > > > * Load a RAM based version (the latest from the repository).  The safest
> > > >   way would be using Y-modem serial download.
> > > >     RedBoot> lo -m ym
> > > >     Entry point: 0x00040100, address range: 0x00040000-0x00061af8
> > > >     xyzModem - CRC mode, 3102(SOH)/0(STX)/0(CAN) packets, 3 retries
> > > >
> >
> > This step goes ok, although the version of RedBoot I have doesn't display the "Entry point:" line.
> > For the download, I am using HyperTerminal under Windows 98.  The file I download is
> > redboot_RAM.srec from the /images/powerpc/viper directory.  This file has a build date of May 1,
> > 2001.  I noticed below that the redboot_RAM version you are running has a build date of Jun 1,
> > 2002.  Did you just build a new RedBoot, or is this image available somewhere else?
> >
> > >
> > > > * Run the RAM based RedBoot
> > > >     RedBoot> go 0x40100
> > > >
> >
> > In this step, If I type 'go 0x40100' I get a bunch of jumbled characters.  If I just type go,
> > however, the RAM version of Redboot starts running ok.
> >
>
> I think you need newer images.  The latest ones are dated May 20 and
> should behave as described.
>


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