Maxtor Computer Drive manual Minimum Multiword DMA transfer cycle time per word

		ATA Bus Interface and ATA Commands
Word		Content Description
65	Minimum Multiword DMA transfer cycle time per word
	15-0:	Cycle time in nanoseconds
66	Manufacturer’s recommended Multiword DMA transfer cycle time
	15-0:	Cycle time in nanoseconds
67	Minimum PIO transfer cycle time without flow control
	15-0:	Cycle time in nanoseconds
68	Minimum PIO transfer cycle time with IORDY flow control
	15-0:	Cycle time in nanoseconds
69-70	Reserved (for future command overlap and queuing)
71-74	Reserved for IDENTIFY PACKET DEVICE command.
75	As defined in the ATA reference
76	Serial ATA capabilities
	15-10	Reserved
	9	Supports receipt of host-initiated interface power management requests
	8-4	Reserved
	3	Reserved for future Serial ATA
	2	1= Supports SERIAL ATA Gen-2 signaling speed
	1	1= Supports SERIAL ATA Gen -1 signaling speed (1.5Gbps)
	0	Reserved (set to 0)
77	Reserved for future Serial ATA definition
78	Serial ATA features supported
	15-4	Reserved
	3	1= device supports initiating interface power management
	2	1= supports DMA Setup Auto-Activate optimization
	1	1= supports non-zero buffer offsets in DMA Setup FIS
	0	0= Reserved (set to 0)
79	Serial ATA features enabled
	15-4	Reserved
	3	1= device supports initiating interface power management enabled
	2	1= supports DMA Setup Auto-Active optimization enabled
	1	1= supports non-zero buffer offsets in DMA Setup FIS
	0	0= Reserved (set to 0)

Maxtor DiamondMax 8S 40GB SATA 5-9