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Default Bootloader Commands List - 10-07-2009, 02:51 PM

Hello,

I installed OSX 10.6.1 with Netbookinstaller 0.8.3rc2.

I am looking for a list of commands for the bootloader.
For example, to boot from another HD/partition.
I was looking around but did not found useful information.
Or can I generate a "help" command?

Thanks for any hint
whxde


Mini 10v | 1GB 160GB | Dual OSX 10.6.4 | BIOS A05 | USB Wake OFF | USB Legacy OFF | BlueTooth OFF
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Default 10-07-2009, 03:01 PM

The bootloader is chameleon. The site with the docs on the forums is:

Chameleon: Bring Mac OS X Developers Together


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Default 10-07-2009, 03:04 PM

Here are a few of the major ones :

Quote:
-v verbose
-s single user
-x safe mode
For further reference, see the Chameleon documentation (attached)

Using Chameleon 2RC.doc


 Mini 10v  | 2Gb RAM | 320 Gb HDD | Ubuntu 10.04 | OSX 10.6.3 | NBI .8.4RC1 | Chameleon Bullet Theme | BIOS A05 | USB Wake : OFF | USB Legacy : ON | No BlueTooth
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Default 10-07-2009, 03:12 PM

And I would like to update my post with further information, formatted in a code block so that is is scrollable

Code:
Updated BootHelp.txt included with Chameleon 2.0-RC3-r658:

The boot: prompt waits for you to type advanced startup options.
If you don't type anything, the computer continues starting up normally. It
uses the kernel and configuration files on the startup device, which it also
uses as the root device. 

Advanced startup options use the following syntax:

    [device]<kernel> [arguments]

Example arguments include

 device: rd=<BSD device name>       (e.g. rd=disk0s2)
         rd=*<IODeviceTree path>    (e.g. rd=*/PCI0@0/CHN0@0/@0:1)

 kernel: kernel name                (e.g. "mach_kernel" - must be in "/" )

 flags: -v (verbose)    -s (single user mode), 
        -x (safe mode)  -F (ignore boot configuration file)

 "Graphics Mode"="WIDTHxHEIGHTxDEPTH" (e.g. "1024x768x32")

 kernel flags                       (e.g. debug=0x144)
 io=0xffffffff                      (defined in IOKit/IOKitDebug.h)

Example: mach_kernel rd=disk0s1 -v "Graphics Mode"="1920x1200x32"

If the computer won't start up properly, you may be able to start it up using
safe mode.  Type -x to start up in safe mode, which ignores all cached
driver files.

Special booter hotkeys:
  F5            Rescans optical drive.
  F10           Scans and displays all BIOS accessible drives.
  
Special booter commands:
  ?memory       Displays information about the computer's memory.
  ?video        Displays VESA video modes supported by the computer's BIOS.
  ?norescan     Leaves optical drive rescan mode.

Additional useful command-line options:
  config=<file>             Use an alternate Boot.plist file.

Options useful in the com.apple.Boot.plist file:
  Wait=Yes|No               Prompt for a key press before starting the kernel.
  "Quiet Boot"=Yes|No       Use quiet boot mode (no messages or prompt).
  Timeout=8                 Number of seconds to pause at the boot: prompt.
  "Instant Menu"=Yes        Force displaying the partition selection menu. 

  "Default Partition"       Sets the default boot partition,
    =hd(x,y)                  where 'x' is the disk number, 'y' the partition number.

  GUI=No                    Disable the GUI (enabled by default).
  "Boot Banner"=Yes|No      Show boot banner in GUI mode (enabled by default).
  "Legacy Logo"=Yes|No      Use the legacy grey apple logo (disabled by default).
  
  GraphicsEnabler=Yes|No    Automatic device-properties generation for graphics cards.
  VideoROM=<file>           Use an alternate ROM image (default path: /NVIDIA.ROM).
  VBIOS=Yes|No              Inject VBIOS to device-properties.

  EthernetBuiltIn=Yes|No    Automatic "built-in"=yes device-properties generation
                            for ethernet interfaces.

  USBBusFix=Yes             Enable the EHCI and UHCI fixes (disabled by default).
  EHCIacquire=Yes           Enable the EHCI fix (disabled by default).
  UHCIreset=Yes             Enable the UHCI fix (disabled by default).

  Wake=No                   Disable wake up after hibernation (enbaled by default).
  ForceWake=Yes             Force using the sleepimage (disabled by default).
  WakeImage=<file>          Use an alternate sleepimage file 
                              (default path is /private/var/vm/sleepimage).

  DropSSDT=Yes              Skip the SSDT tables while relocating the ACPI tables.
  DSDT=<file>               Use an alternate DSDT.aml file 
                              (default path: /DSDT.aml /Extra/DSDT.aml)

  SMBIOS=<file>             Use an alternate smbios.plist file 
                              (default path: /smbios.plist /Extra/smbios.plist
                               bt(0,0)/Extra/smbios.plist).

  SMBIOSdefaults=No         Don't use the Default values for SMBIOS overriding
                              if smbios.plist doesn't exist, factory
                              values are kept.

  "Scan Single Drive"       Scan the drive only where the booter got loaded from.
    =Yes|No                 Fix rescan issues when using a DVD reader in AHCI mode. 
  Rescan=Yes                Enable CD-ROM rescan mode.
  "Rescan Prompt"=Yes       Prompts for enable CD-ROM rescan mode.


 Mini 10v  | 2Gb RAM | 320 Gb HDD | Ubuntu 10.04 | OSX 10.6.3 | NBI .8.4RC1 | Chameleon Bullet Theme | BIOS A05 | USB Wake : OFF | USB Legacy : ON | No BlueTooth
Meklort's Blog | NBI Google Code Page | osx.mechdrew.com -- the best OSX installation guides
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Default 10-07-2009, 04:47 PM

thanks you for the information and help!

What I specially need is to change the bootpartition.

When I press a key a startup, I see the partition simbols.
But I am unable to boot from the other partition selected...
or the bootloader accepts only the first one...,
or I have a problem on partition 2.

Is it okay to select only the partition-simbol I want to boot from and press
return? Or do I miss anything?

Thanks for help, anyway I will see to check the link.

whxde

---------- Post added at 03:30 PM ---------- Previous post was at 03:21 PM ----------

...

Thanks bmcclure937
I will see, if I can get it running.
maybe device selection.
rd=disk0s1 The disk I can check in disktools.
will try that.
Thanks again.

---------- Post added at 04:47 PM ---------- Previous post was at 03:30 PM ----------

...

sorry, cant get it to run.
On the chameleon site, dont find anything clear.
Can anyone please submit, how to boot from another partition?
Via the icons or via command entry (what exactly)

When I first installed SL, I created 2 partitions.
I copied everything from part1 to part2 with CarbonCopyConer.
Ran Netbookinstaller checked for part2.

When I startup now, hitting a key to get into the loader, dont know how to go on.
If I select the icon for part 2 (return), anyway, the Mini boots from 1.

thank you much, whxde


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