non-working codeless kext

<?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>CFBundleDevelopmentRegion</key>
	<string>English</string>
	<key>CFBundleName</key>
	<string>LDU-1900D USB Shield</string>
	<key>CFBundleIconFile</key>
	<string></string>
	<key>CFBundleIdentifier</key>
	<string>com.jero.driver.ldu1900shield</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundlePackageType</key>
	<string>KEXT</string>
	<key>CFBundleSignature</key>
	<string>????</string>
	<key>CFBundleVersion</key>
	<string>1.0.1d1</string>
	<key>IOKitPersonalities</key>
	<dict>
		<key>DeviceDriver</key>
		<dict>
			<key>CFBundleIdentifier</key>
			<string>com.apple.kernel.iokit</string>
			<key>IOClass</key>
			<string>IOService</string>
			<key>IOProbeScore</key>
			<integer>106000</integer>
			<key>IOProviderClass</key>
			<string>IOUSBDevice</string>
			<key>bcdDevice</key>
			<integer>0</integer> <!-- 0 -->
			<key>idProduct</key>
			<integer>4096</integer><!--0x1000 is 4096 -->
			<key>idVendor</key>
			<integer>4100</integer><!-- 0x1004 is 4100 -->
		</dict>
		<key>InterfaceDriver</key>
		<dict>
			<key>CFBundleIdentifier</key>
			<string>com.apple.kernel.iokit</string>
			<key>IOClass</key>
			<string>IOService</string>
			<key>IOProbeScore</key>
			<integer>106000</integer>
			<key>IOProviderClass</key>
			<string>IOUSBInterface</string>
			<key>bcdDevice</key>
			<integer>0</integer> <!-- 0 -->
			<key>idProduct</key>
			<integer>4096</integer><!--0x1000 is 4096 -->
			<key>idVendor</key>
			<integer>4100</integer><!-- 0x1004 is 4100 -->
		</dict>
	</dict>
	<key>OSBundleLibraries</key>
	<dict>
		<key>com.apple.kernel.iokit</key> <string>6.0</string>
	</dict>
	<key>OSBundleRequired</key>
	<string>Root</string>
</dict>
</plist>