INT 7A - Novell NetWare - IPXODI v2.12+ - GET IPX INFORMATION

	BX = 001Fh
	DX = 0000h
Return: AX = ???
	BX:CX -> ??? entry point (see #03830) (undocumented)
	DX = feature flags
	    bit 0: IPXODI rather than dedicated IPX
	    bit 1: checksumming functions 0020h-0022h supported
	ES:SI -> array of words containing used socket number (undocumented);
		0000h ends array
	all other registers except DS and FLAGS may be destroyed
Note:	IPXODI v2.12 is distributed as part of the Personal NetWare system
	  bundled with Novell DOS 7
SeeAlso: BX=0020h,INT 2F/AX=7A2Fh