Format of MRCINFO structure:
Offset	Size	Description	)
 00h  4 BYTEs	vendor signature
		"MSFT" Microsoft
 04h	WORD	server version (high=major)
 06h	WORD	MRCI specification version
 08h	DWORD	address of server entry point (see #00727)
 0Ch	WORD	bit flags: server capabilities (see #00726)
 0Eh	WORD	bit flags: hardware assisted capabilities (see #00726)
 10h	WORD	maximum block size supported by server (at least 8192 bytes)