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3.42a	imagechecksum (Only support 2nd SPI platform)

	abstract: Get image checksum of 2nd BIOS SPI and compare with input image.
			
	usage	: java -jar GbtUtility-2.1.76.jar [options] imagechecksum <image path>

	<image path>	: Local file path of image.

	Example	:
		  by node list (default) : java -jar GbtUtility-2.1.76.jar imagechecksum D:\bios\MR91-FS3_T05\SPI_UPD\image.bin
		  by single host : java -jar GbtUtility-2.1.76.jar -H 10.1.27.79 imagechecksum D:\bios\MR91-FS3_T05\SPI_UPD\image.bin
		  by scan host	 : java -jar GbtUtility-2.1.76.jar -S rmcp,10.1.27.1,10.1.27.150 imagechecksum D:\bios\MR91-FS3_T05\SPI_UPD\image.bin
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