Mac OSX86 10.4.8 JaS DVD install
AMD Athlon 64 Mobile 4000+
GFX: Ati x700 Mobility, recently solved thx to ovof
Audio Working with Patched AppleAC97AudioVIA.kext
1GB Ram
Broadcom Wireless, working
uname -a:
Darwin leons-computer.local 8.8.1 Darwin Kernel Version 8.8.1: Tue Mar 13 21:25:29 CET 2007; semthex:/nebukadnezar-newdawn/BUILD/obj/RELEASE_I386 i386 i386

com.apple.boot.plist:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Kernel</key>
	<string>mach_kernel</string>
	<key>Kernel Flags</key>
	<string>-legacy</string>
	<key>Boot Graphics</key>
	<string>Yes</string>
	<key>Timeout</key>
	<string>10</string>
</dict>
</plist>

Problem:
Slow time, slow animations, sound stuttering (only the first 3 seconds, afterwards fine)