)
Values for FGDRIVER status:
 0000h	successful
 0001h	specified page is a physical or logical page
 0007h	virtual page created/released, but memory control blocks corrupted
 0008h	not enough memory
 0009h	attempt to free a page which was never created
 FFFCh	insufficient memory
 FFFDh	page already created, or exists as physical or virtual page
 FFFEh	invalid page number
 FFFFh	memory manager not initialized
SeeAlso: #03474