Re: bootable CD for diskless systems (XPe)
- From: "Slobodan Brcin \(eMVP\)" <sbrcin@xxxxxx>
- Date: Tue, 24 May 2005 22:12:04 +0200
> I did remote booting and by reading posts from forums i came to know that
> RAM size should be double the size of image.I just wanted to know that do we
> need to worry about the RAM in the same way as it was in the case of remote
> booting because this CD-ROM will be for diskless systems.
El-torito boot is actualy booting from CD, so you do not need "too" much memory. You need just wokring memory.
Regards,
Slobodan
> I did remote booting and by reading posts from forums i came to know that
> RAM size should be double the size of image.I just wanted to know that do we
> need to worry about the RAM in the same way as it was in the case of remote
> booting because this CD-ROM will be for diskless systems.
>
> In the step 2 from the link that i have paste above i read we need to add
> two components
>
> El Torito CD Support
> Winlogon Sample Macro
>
> I just added El Torito CD Support because i am using Windows based terminal
> professional.Other components that i added were
>
> FAT
> FAT format
> Windows based terminal professional
> target component(macro component made with the help of .pmq file of my
> target system)
>
> After dependency check(auto resolve dependency) the El Torito CD Support
> components are added to the configuration The EWF NTLDR was also added.
> Editted the Enhanced Write Filter settings by expanding the Enhanced Write
> Filter component in the configuration pane and choosing Settings. The
> Enhanced Write Filter settings appear in the details pane.
> Cleared the Start EWF Enabled check box in the component settings.
> Verified that Disk Number equals 0 and Partition Number equals 1 for the
> target disk volume.
> Select RAM as the Overlay Type.
> Under the User Interface Core component,i selected Settings. The User
> Interface Core settings appeared in the details pane.
> Selected Show Run on Start Menu.
>
> This is part of step no. 2 that i followed.
>
> I followed all the 7 steps in the above link but do not know why do i get
> the blue screen error and sometimes it just goes and stops at welcome page.
>
> In one of the msdn links i read that while using EI torito CD support we
> need to change boot.ini so i just wanted to know do i need to do this thing?
> I am making a CD-ROM for diskless system wont my boot.ini change ? There will
> be no hard disk, then how can i write in boot.ini to boot from 1st
> partition.The link in which i read about boot.ini for EI-torito CD support is
>
>
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/tdhelp40/html/ntconeltoritocdasdisk.asp
>
> Thanks for your time.
>
> --
> Regards,
> Kulsum
>
>
> "KM" wrote:
>
> > Kulsum,
> >
> > > I am trying to make a bootable CD for diskless system, i have some
> > > questions
> > > related to it. I hope someone can tell me about them.
> >
> > Many discusions about El Torito issues you'll be able to find in this NG
> > archive:
> >
http://groups-beta.google.com/group/microsoft.public.windowsxp.embedded/search?hl=en&group=microsoft.public.windowsxp.embedded&q=El+Torito&qt_g=1
> >
> >
> > > 1)i am using EI torito to make my CD for XPe. There is no hard disk
> > > attached
> > > to my system. Will my boot.ini change? Do i need to change it while
> > > running FBA?
> >
> > No changes in boot.ini required if your system partition was the first
> > primary one on only hard disk presented during FBA.
> >
> > > 2)Secondly what about RAM? Does RAM matter in this case? I mean if my
> > > image
> > > size is 314MB and my RAM is 320MB will this cause any problem?
> >
> > RAM always matters when you think about your XPe image footprint.
> > El Torito itself (on XPe using EWF) should not consume much of RAM if you
> > properly setup the image.
> > See this tip page on how to minimize EWF RAM usage:
> > http://msdn.microsoft.com/embedded/community/community/tips/xp/ramewf/default.aspx.
> >
> > > 3)I made an image for bootable CD. My FBA runs perfect ,then when i make
> > > postFBA ISO image using HD2ISO and run it sometimes gives blue screen STOP
> > > error
> >
> > What BSOD (bugcheck/blue screen) info you see?
> >
> > > and sometimes just goes and stops at Microsoft page.
> >
> > Do you mean Welcome screen?
> >
> > > It doesnt logon to
> > > windows. I dont understand y does this happen. I didnt change boot.ini it
> > > is
> > > same as it has to boot from HD partition 1.
> >
> > You may want to describe what steps extatly you performed to create the
> > bootable CD.
> >
> > What type of EWF you use? (should be RAM or RAM Reg but finally there will
> > be no EWF Config partiton anyway)
> > Also, watch on whether EWF is enabled just before you capture the image to
> > ISO.
> > Make sure you had a CD with El Torito signature in CD-ROM during FBA.
> > Just before you enalbe EWF and shutdown the device to capture the image,
> > clean up [HKLMSystem\MountedDevices] key.
> >
> > KM
> >
> >
> >
.
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