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#1
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How to boot from Harddisk files instead of floppy/CD
Win98SE
There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat |
#2
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If it is a real computer -- then no.
If it is a virtual computer (that works under Virtual PC or VmWare) -- then yes. But as I see, your choice is the first one. -- Mikhail Zhilin http://www.aha.ru/~mwz Sorry, no technical support by e-mail. Please reply to the newsgroups only. ====== On Wed, 16 Mar 2005 10:43:03 +0530, V S Rawat wrote: Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. |
#3
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PCs can't boot from image files to begin with.
"V S Rawat" wrote in message ... Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat |
#4
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OK.
Thanks for both the replies. I understand that it is not possible. But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? -- Rawat On 3/16/05 6:08 PM India Time, _Lil' Dave_ wrote: PCs can't boot from image files to begin with. "V S Rawat" wrote in message ... Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat |
#5
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"V S Rawat" wrote in message ... OK. Thanks for both the replies. I understand that it is not possible. But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? -- Rawat On 3/16/05 6:08 PM India Time, _Lil' Dave_ wrote: PCs can't boot from image files to begin with. "V S Rawat" wrote in message ... Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat this might interest you http://www.nu2.nu/bootdisk/ |
#6
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V S Rawat Wed, 16 Mar 2005 22:25:52 +0530 wrote
.... But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? The boot must load an initial program code from a boot sector of HD, floppy, or other devices supported by PC BIOS. In case of HD booting, Master boot sector (MBR) of HD then pass control to boot sector of active disk partition. boot sector do not know much about how work with file systems, present on current physical media/disk partition. They have 512 bytes, they pass control to basic OS files by very simple way. There could be a way - create a special kind of primary partition (e.g. by Ranish partition manager - up to 31 primary ones) and make some mapping that image file to it, having first sector of file as boot sector of that partition. Make a search for such utility. It would be an easy way for any boot manager ( so does Ranish ) boot from that partition. -- "Libor the Wanderer" Any supposed offense is because of bad english a/o formulation and was not intended. ForPrivateResponseRemoveDelAndThisFromAboveAddress . |
#7
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If you're attempting to create a boot recovery CD with image file(s), yes it
possible to boot from that CD, I do that in the following manner: Create a boot CD using a startup boot floppy as image source, leaving the session open. Then, I burn both the image recovery program and image file to the CD, then close the session. This creates a boot CD (A, then you access the remainder of the CD as an alternate drive letter like D: for instance. This can be easily done with Nero versions 5.xx or 6.xx, and WinImage program for imaging the startup diskette. You must rename the diskette image file to the proper filename 3 letter extension for Nero to use it. Don't use the Express version of Nero for all this. You won't find the needed options. I understand that its also doable on DVD+RW, but I've not tried that yet. "V S Rawat" wrote in message ... OK. Thanks for both the replies. I understand that it is not possible. But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? -- Rawat On 3/16/05 6:08 PM India Time, _Lil' Dave_ wrote: PCs can't boot from image files to begin with. "V S Rawat" wrote in message ... Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat |
#8
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You need to provide exactly what you're attempting to do for specific help
to that end. Otherwise, its just vapor and fog to provide the correct solution. "V S Rawat" wrote in message ... OK. Thanks for both the replies. I understand that it is not possible. But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? -- Rawat On 3/16/05 6:08 PM India Time, _Lil' Dave_ wrote: PCs can't boot from image files to begin with. "V S Rawat" wrote in message ... Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat |
#9
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I had written in my first post in this thread that,
following the suggestions from this ng, I downloaded and ran windows memory tester. It created some .iso file in my hdd. And is asking me to copy it to some cd and boot from that cd. I was wondering whether I can somehow boot from this file in hdd bypassing the regular booting sequence. That will save me all the trouble of wasting a CD for running this program. Suggestion by Libor Striz seems good, thought that will be too much for me to try. I have 98/xp dual boot with data in all four partitions. Thus, trying to avoid touching the partitions/Fdisk. -- Rawat On 3/17/05 4:45 PM India Time, _Lil' Dave_ wrote: You need to provide exactly what you're attempting to do for specific help to that end. Otherwise, its just vapor and fog to provide the correct solution. "V S Rawat" wrote in message ... OK. Thanks for both the replies. I understand that it is not possible. But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? -- Rawat On 3/16/05 6:08 PM India Time, _Lil' Dave_ wrote: PCs can't boot from image files to begin with. "V S Rawat" wrote in message ... Win98SE There are programs that create a bootdisk and ask you to boot from it. Alternatively, they save a cd image of the same in your harddisk and you are supposed to burn that to some cd and boot from that cd. When we have that CD image file on harddisk, is there any method that we can boot from that folder/file instead of our usual win98SE boot from C:? or can we save those bootdisk files to somewhere in harddisk and boot from that? --- e.g. I downloaded and ran windows memory tester which created some .iso file to hdd. Can I boot from this. Similar is the case of Norton disk image. -- Rawat |
#10
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On 3/17/05 3:10 AM India Time, _Libor Striz_ wrote:
V S Rawat Wed, 16 Mar 2005 22:25:52 +0530 wrote .... But I was thinking when it can boot up if the same thing is put on a floppy/ cd, then it should be theoritical possible to boot from it even if it is in hd. So I thought, maybe some utility exist. Or is it theoretically impossible to bypass boot sequence once the control passes to HD? The boot must load an initial program code from a boot sector of HD, floppy, or other devices supported by PC BIOS. In case of HD booting, Master boot sector (MBR) of HD then pass control to boot sector of active disk partition. boot sector do not know much about how work with file systems, present on current physical media/disk partition. They have 512 bytes, they pass control to basic OS files by very simple way. There could be a way - create a special kind of primary partition (e.g. by Ranish partition manager - up to 31 primary ones) and make some mapping that image file to it, having first sector of file as boot sector of that partition. Make a search for such utility. It would be an easy way for any boot manager ( so does Ranish ) boot from that partition. Thanks Libor for insightful reply. I feel I am going beyond the general scope of trouble shooting in this ng, but can't help. Take one example. When you install a new program and restart the box, you get a message that windows is doing something about just installed program. Similary if you run some disk optimizer, or registry optimizer (norton? system mechanik?), as soon as system boots, it takes control and does its own things before it allows windows to boot up fully. Sometime it takes another boot to get to win, after that program has finished its work I mean, there seem to be built-in ways in which normal booting sequence can be interrupted to run some other program which takes full control of system. Coming to the basics, isn't boot menu (normal/safe/commandpromt) an example of such interrupting the boot process? And, going to safe mode, or going to command prompt, itself are another example. can I somehow tweak in my some program to take control from there onwards and run itself without passing the control to win? -- Rawat |
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