Returns an I/O request for use with SPORT transfer calls.
Item CreateVRAMIOReq (void)
CreateVRAMIOReq() returns the item number of the I/O request or an error code (a negative value) if an error occurs. 
CloneVRAMPages(), SetVRAMPages(), SetVRAMPagesDefer(), CopyVRAMPagesDefer(), CloneVRAMPagesDefer(), CopyVRAMPages(), DeleteVRAMIOReq()