cpus=1 or cpus=2

-f ??

“Graphics Mode”=”640x480x32″

-legacy forces 32-bit run mode on 64bit processors

-s single user (?)

-system=x86PC some people call it platform=x86pc

tohkernel  // an alternate to the Vanilla kernel, at least in kalyway. Stopped the kalyway reboot loop on my P5W DH Deluxe. Now I have to specify it every time to get a boot.

-v Verbose booting (i use this as a default)

-x “Safe mode” boot; minimal drivers. Try it after a boot hang.

Feel free to add other switches in comments; I’ll approve your comment and add the switch to the post.

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DumpPanic[28] : Error getting a reference to IODeviceTree:/options
…
panic(cpu0 caller 0x001a8387): Kernel trap at 0x39b1f5bc, type 14=page fault, registers:
//backtrace
…
BSD process name corresponding to current thread: kernel_task

Mac OS version:
9B18

Kernel version:
Darwin Kernel Version 9.1.0: Fri Nov 16 14:50:43 SCT 2007; made by ToH:xnu-1228.0.2~1/BUILD/obj/RELEASE_I386

Things I’ve tried (with no success!):

• Switching to PATA. The PATA is recognized, but the SATA is NOT!
• Disabling EVERYTHING in the bios that I can live without
• Using the disk utility to re-format/re-partition the HDD; with little success. The disk utiliy wasn’t able to work with the SATA, but it did play with the PATA.
• I am currently installing on a 2 partition scheme with PATA and using the boot option “cpus=1″.

Here are some great resources for Zephyroth 10.5.1 on AMD64:

• Zephyroth’s Leopard forum at http://osx.kbot.de/

• A “how to” for XP dual-booters that describes kernel panic problems: http://osx86.thefreesuite.com/leo_amd.php

• The answer is here, on the “known issues” page of the OSX86 wiki. Search for “Leopard Bootup Freeze” at http://osx86.wikidot.com/known-issues

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