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 GRUB4DOS RAM Disk Recognized by RAMDISK.SYS, Establish an INT 0x13 mapping with GRUB4DOS; Windows Recognition
post Jul 27 2009, 12:57 PM
Post #41
xpert-reactos
  
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QUOTE (jaclaz @ Jul 27 2009, 01:43 PM) *
Nice to have on the board someone familiar with React-OS.

I suspect that React-OS has more undocumented things that may be useful than any other OS project around. smile.gif

[....]

Can't we have instead (or additionally wink.gif) a howto/tutorial or however some details/data/docs?

cheers.gif

jaclaz


its memdisk with a hdd-image.
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post Jul 27 2009, 01:13 PM
Post #42
jaclaz
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QUOTE (xpert-reactos @ Jul 27 2009, 02:57 PM) *
its memdisk with a hdd-image.


Well, yes smile.gif, but what is the actual React-OS driver that "takes command" once memdisk is "killed" in the "real-mode" ->"protected-mode" shift? unsure.gif

jaclaz


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post Jul 27 2009, 01:17 PM
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QUOTE (jaclaz @ Jul 27 2009, 02:13 PM) *
Well, yes smile.gif, but what is the actual React-OS driver that "takes command" once memdisk is "killed" in the "real-mode" ->"protected-mode" shift? unsure.gif

jaclaz


append harddisk initrd=bootimages/ros-img-live-cd

Memdisk does not get killed, or it does not matter.

but not working with ISO :-(
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post Jul 27 2009, 01:29 PM
Post #44
jaclaz
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QUOTE (xpert-reactos @ Jul 27 2009, 03:17 PM) *
append harddisk initrd=bootimages/ros-img-live-cd

Memdisk does not get killed, or it does not matter.

but not working with ISO :-(


did you try with the newish/latest release of ISOLINUX/MEMDISK, "APPEND iso", see here unsure.gif:
http://www.boot-land.net/forums/index.php?...ic=8258&hl=

jaclaz


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post Jul 27 2009, 01:33 PM
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QUOTE (jaclaz @ Jul 27 2009, 02:29 PM) *
did you try with the newish/latest release of ISOLINUX/MEMDISK, "APPEND iso", see here unsure.gif:
http://www.boot-land.net/forums/index.php?...ic=8258&hl=

jaclaz


Yes, I tried.
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post Jul 28 2009, 03:29 AM
Post #46
Andy Tim
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I've really got to get around to completing that MEMDISK-ISO... There are a few little bits left; just gotta DO THEM.

Speaking of completing... The trick is that there isn't (yet) an open-source Windows driver to pick up the MEMDISK. Once I finish deriving from WinAoE, that should help. I plan on supporting virtual ODD (optical disc drives) as well, so a Windows PE .ISO loaded with MEMDISK would also work.

As for your video, xpert-reactos, it appears (and would make sense) that the ReactOS has a driver for using a MEMDISK, unless we couldn't see that a RAM disk was loaded by FreeLDR in the background, effectively using twice as much RAM. Very nice, anyway!

xpert-reactos: What's the advantage to using an .ISO versus an HDD image in your case? Ease of creation or something? Were you hoping that a live CD would simply load? Whoever made the RAM disk driver for ReactOS could likely support using the RAM disk as a virtual ODD instead of as a virtual HDD. If you can find out who that person is, I'd be happy to have a discussion with them. smile.gif

I wonder if this new RAM disk driver I'm working on would work in ReactOS... Has anyone tried an AoE-boot of ReactOS using WinAoE? If so, and met with success, that would be a good sign. smile.gif

- AndyTim
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post Jul 28 2009, 05:27 PM
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QUOTE (Andy Tim @ Jul 28 2009, 04:29 AM) *
[..]

xpert-reactos: What's the advantage to using an .ISO versus an HDD image in your case? Ease of creation or something? Were you hoping that a live CD would simply load? Whoever made the RAM disk driver for ReactOS could likely support using the RAM disk as a virtual ODD instead of as a virtual HDD. If you can find out who that person is, I'd be happy to have a discussion with them. smile.gif

[...]
- AndyTim


There is a Live-CD ISO of ReactOS. Making a Fat32-Image is fun for linux geeks only and not possible without easy steps under Windows.
btw. how to mount a Fat32-image under Windows with commandline tools (open source) ?
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post Jul 28 2009, 05:44 PM
Post #48
Nuno Brito
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QUOTE
how to mount a Fat32-image under Windows with commandline tools (open source) ?

Imdisk: http://en.wikipedia.org/wiki/ImDisk

It's supported by the developer himself here at boot land:
http://www.boot-land.net/forums/index.php?showforum=59

cheers.gif


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post Jul 28 2009, 05:47 PM
Post #49
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but you need admin permissions and an installed driver...thats bad.
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post Jul 28 2009, 05:59 PM
Post #50
Nuno Brito
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QUOTE
but you need admin permissions and an installed driver...thats bad.

Why is this a disadvantage?

We're all admins around here.. wink.gif


Nevertheless, I'd recommend talking with Erwan, he's working on software that might be adjusted to what you need without admin permissions but I still doubt you'd be able to mount anything without them.

http://www.boot-land.net/forums/index.php?showtopic=8480

If it was my code, I'd do a program to run and load the image. Then, this program would remain active until someone called another instance of the program with instructions regarding what to do next.

For example.

CODE
myapp /mount c:\testdrive.hdd /title test


then
CODE
myapp /copy c:\windows\system32\*.exe /test
myapp /unmount /title test


This is a possible route for this challenge.

cheers.gif


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