Hi,
I have the same problem.
video 945GM 1280x800 bios A10
I prepared USB by myHack.
I tried by -v and -x and always I had black screen.
smbios.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>SMUUID</key>
<string></string>
<key>SMbiosdate</key>
<string>2/29/2008</string>
<key>SMbiosvendor</key>
<string>Apple Inc.</string>
<key>SMbiosversion</key>
<string>MB21.00A5.B07</string>
<key>SMboardmanufacturer</key>
<string>Apple Computer, Inc.</string>
<key>SMboardproduct</key>
<string>Mac-F42C88C8</string>
<key>SMfamily</key>
<string>MacBook</string>
<key>SMmanufacturer</key>
<string>Apple Inc.</string>
<key>SMmemmanufacturer</key>
<string>Apple Computer Inc.</string>
<key>SMproductname</key>
<string>MacBook2,1</string>
<key>SMserial</key>
<string>5W4ZPC123</string>
<key>SMsystemversion</key>
<string>1.1</string>
<key>EDPmodel</key>
<string>Dell_Latitude_D620-intel</string>
</dict>
</plist>
org.chameleon.Boot.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>EthernetBuiltIn</key>
<string>Yes</string>
<key>GenerateCStates</key>
<string>Yes</string>
<key>GeneratePStates</key>
<string>Yes</string>
<key>Graphics Mode</key>
<string>1280x800x32</string>
<key>GraphicsEnabler</key>
<string>Yes</string>
<key>Kernel</key>
<string>mach_kernel</string>
<key>Kernel Flags</key>
<string></string>
<key>PciRoot</key>
<string>0</string>
<key>SystemType</key>
<string>2</string>
<key>Theme</key>
<string>Default</string>
<key>Timeout</key>
<string>10</string>
<key>UseKernelCache</key>
<string>No</string>
</dict>
</plist>
pls help