INT 2F - SilverNET - SET RUNTIME PARAMETERS                                     
	AX = 4E53h ("NS")
	BL = 02h (function "set runtime parameters")
	BH = module ID (see #02826)
	CX = parameter index (see #02829,#02830)
	DX = new value for specified parameter
Desc:	set a WORD value in the specified SilverNET module
Note:	not all indexed parameters are writable; modifying a read-only
	  parameter can result in system crashes
SeeAlso: AX=4E53h/BL=00h,AX=4E53h/BL=01h