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Snow Leopard cdboot


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#1
lunasol

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Hi guys,

Just wanted to let you all know that i have managed to create a cd which boots the snow leopard retail dvd. (Hooray) I would release it but im still having trouble with one thing. My DSDT.aml will not load. this is causing kernel panic i believe.

i get panic: CPU2 has no HPET assigned to it.
and my cmos gets cleared, despite having the fix in my file. so yes its definately not loading.
should i upload the iso to see if any of you can get it to work, might help me out abit :)

but yes, definately boots the dvd.

Will update more as i progress but this looks VERY promising.

Update1
Have managed to get past the errors and am now at the grey screen with sinning beach ball.
Will upload my iso as soon as im sure its fully working for me.

flash


#2
Dr. Hurt

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The current boot-132 CD does not work with Snow Leopard.
I tried to create a boot-132 CD with PC EFI 10.1 and 10.2 but I still could boot the SL DVD.

Here's what I did:
1- Copied the DVD to a small partition.
2- Create a USB memory stick with Chameleon 2 and all the required files. In my opinion, this works better than boot-132 but it doesn't boot from SL DVD.
3- Used that to boot the installation DVD/Partition,
4- Installed OS X to a 20GB partiton (where 10.5 was installed)
5- Installed Chameleon to the newly installed OS X partition, and removed the DVD/partition.

It's ugly, I know. Look at the bright side though. Installation was super fast, I didn't have to buy a DL DVD, and I got to use SL before it's released to the public.

I wish there was a SL-compatible boot-132 CD though.

#3
ApexDE

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But there must be a way to Boot the SL DVD. I tried Chameleon RC1, RC2 and PCEFI v10.2 to no avail (with a selfmade Slimbuild CD) :(

Was anyone able to Boot the SL DVD?

#4
richtig

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Maybe it could work this way:
Using a revised boot 132 bootable CD, a blank USB memory stick, and the retail DVD:
Boot from the (new version) boot CD, that would write customized files (specific to the user hardware present) to then make a bootable USB drive.
Remove the CD & reboot from the new USB drive.
Insert retail DVD and continue with Snow Leopard customized install onto hard drive.

#5
rockstarjoe

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I boot my Leopard partition with a USB stick with Chameleon RC. Can I install Snow Leopard to another drive from within my Leopard Partition, and then just boot it up with Chameleon? Seems like that would be too easy...

#6
Synaesthesia

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You have to boot the installer from a partition on your hard drive, and install to another partition.

Or boot from a 8gb flash drive.

#7
lunasol

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The current boot-132 CD does not work with Snow Leopard.
I tried to create a boot-132 CD with PC EFI 10.1 and 10.2 but I still could boot the SL DVD.

Here's what I did:
1- Copied the DVD to a small partition.
2- Create a USB memory stick with Chameleon 2 and all the required files. In my opinion, this works better than boot-132 but it doesn't boot from SL DVD.
3- Used that to boot the installation DVD/Partition,
4- Installed OS X to a 20GB partiton (where 10.5 was installed)
5- Installed Chameleon to the newly installed OS X partition, and removed the DVD/partition.

It's ugly, I know. Look at the bright side though. Installation was super fast, I didn't have to buy a DL DVD, and I got to use SL before it's released to the public.

I wish there was a SL-compatible boot-132 CD though.


How did you go with kexts?
Just used the ones you were using with boot132 on leo?

flash

#8
banini_jeque

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On netkas.org he has a new dsmos.kext for Snow Leopard that he says can be used to boot it with a boot-132 cd.

http://netkas.org/?p=126

#9
ximekon

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Maybe it could work this way:
Using a revised boot 132 bootable CD, a blank USB memory stick, and the retail DVD:
Boot from the (new version) boot CD, that would write customized files (specific to the user hardware present) to then make a bootable USB drive.
Remove the CD & reboot from the new USB drive.
Insert retail DVD and continue with Snow Leopard customized install onto hard drive.


@richtig: this is falsch ;-)
when booting from usb you currently cannot boot a CD. the cd/dvd driver currently comes from the BIOS. Means when booting to a preboot cd you have the cd driver enabled. If you are booting to a usb stick you don't have cd/dvd support.

gladly netkas is working on this issue, but as far as i've seen this seems to be at a very early stage of development... http://netkas.org/?p=122

#10
tapper00`

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On netkas.org he has a new dsmos.kext for Snow Leopard that he says can be used to boot it with a boot-132 cd.

http://netkas.org/?p=126



dsmos is no longer needed. Netkas has updated fakesmc now. This allows the macOS to do the actual decryption of binary files. Just one step closer to an actual mac.

Also, I boot SL from a usb stick. If you restore the SL image to a small disk partition and choose the install image in chameleon (some people have to use -x32 to boot installer) Installation is very fast this way.

#11
Dr. Hurt

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How did you go with kexts?
Just used the ones you were using with boot132 on leo?

flash


Of course not.
I used fakeSMC, NullCPUPM, ApplePIIXATA, OHR, Platformuuid (all SL versions)

#12
lunasol

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Hurt, are these x64 kexts?

flash

thanks alot for your help. i should get my snow on friday.

#13
Dr. Hurt

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Hurt, are these x64 kexts?

flash

thanks alot for your help. i should get my snow on friday.


I think they're hybrid.

#14
lunasol

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Have managed to get the retail dvd to boot using a bootable cd with disk swapping. read first post,

flash

#15
antwill

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Hi, yeah would it be possible for you to upload the file, who knows someone else might be able to edit some things and get it all working.

#16
lunasol

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I seem to have had some success,

Im currently at the grey screen with the spinning rainbow loading ball!

I shall upload my iso as soon as i can prove to myself that the DVD boots fully.
this grey screen and beach ball have been here for a few minutes now, but its not frozen as i can move the mouse around.

flash

#17
ppg

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Hi guys,

Just wanted to let you all know that i have managed to create a cd which boots the snow leopard retail dvd. (Hooray) I would release it but im still having trouble with one thing. My DSDT.aml will not load. this is causing kernel panic i believe.

i get panic: CPU2 has no HPET assigned to it.
and my cmos gets cleared, despite having the fix in my file. so yes its definately not loading.
should i upload the iso to see if any of you can get it to work, might help me out abit ;)

but yes, definately boots the dvd.

Will update more as i progress but this looks VERY promising.

Update1
Have managed to get past the errors and am now at the grey screen with sinning beach ball.
Will upload my iso as soon as im sure its fully working for me.

flash

Home-made Snow Leopard bootable DVD. It took almost 8 mins to get into the language selection screen.

#18
noob766

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I posted a guide on how to make a boot-132 disc for snow leopard
http://www.insanelym...howtopic=182227
its at the end of the guide

#19
lunasol

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Small update, still cannot find dsdt on the disk.

restore the dvd to a partition and stuck the dsdt on the root, this does get detected.

Using this alone boots the dvd, and kexts in teh extensions folder of the ramdisk cause kernel panic.

anyone shed some light on why? i believe 64bit may be involved, the -x32 kernel flag doesnt seem to work very well, ill try the arch=i386

flash

#20
lunasol

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Major Update
Managed to get a perfectly booting chameleon usb drive happening, im about to see if netkas's update gives me dvd boot, will post back shortly! Partition boot worked perfectly and super fast! am fully in the SL installer now!

flashGX

Mods, i know its a bump but its quite an important update my end. Ill try to mimic this method with a cd aswell.





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