Category: memory management
Flags: callout or callback (usually hooked rather than called)

INT 2F - DOS Protected Mode Services (DPMS) v1.0 - DPMS EXIT BROADCAST

	AX = 43E4h
	BX = 0000h
	CX = 4450h ('DP')
	DX = 4D53h ('MS')
Return: BX = status
	    bit 0 set if server is not allowed to unload
Note:	servers never unload until all clients unregister
SeeAlso: AX=43E0h,AX=43E3h