Maxtor 51536H2, 52049H3, 53073H4, 546106 specifications Or D

INTERFACE COMMANDS

-W OR D	CONT ENT DESC RIPTION
50	Reserved
51 - 52	Obsolete
53	15 -3 = reserved
	2, 1 = the fields supported in words 88 are valid, 0 = the fields supported in words 88 are not valid
	1, 1 = the fields reports in words 64- 70 are valid, 0 = the fields reports in words 64-70 are not valid
	0, 1 = the fields reports in words 54- 58 are valid, 0 = the fields reports in words 54-58 are not valid
54	Number of current logical cylinders
55	Number of current logical heads
56	Number of logical sectors per track
57 - 58	C urrent capacity in sectors
59	15- 9 = reserved
	8, 1 = multiple sector setting is valid
	7- 0 xxh = current setting for number of sectors that c anbe transferred per interrupt on Read/Write Multiple
	command
60 - 61	Total number of user addressable sectors (LBA mode only)
62	obsolete
63	15 -11 = reserved
	10, 1 = Multi -word D MA mode 2 is selec ted, 0 = Multi -word D MA mode 2 is not selected
	9,	1 = Multi -word D MA mode 1 is selec ted, 0 = Multi -word D MA mode 1 is not selected
	8,	1 = Multi -word D MA mode 0 is selec ted, 0 = Multi -word D MA mode 0 is not selected
	7- 3, = reserved
	2,	1 = Multi -word D MA mode 2 and below are supported
	1,	1 = Multi -word D MA mode 1 and below are supported
	0,	1 = Multi -word D MA mode 0 is supported
	7-0 = Multi=word DMA transfer modes supported
64	15 -8 = reserved, 7- 0 = advanced PIO transfer modes supported
65	Minimum multi -word D MA transfer cycle time per word (15-0 = cycle time in nanoseconds )
66	Manufacturer's recommeded multi- word 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 -74	reserved
75	Queue depth, 15 -3 = reserved, 4- 0, maximum queue depth - 1
76- 79	reserved
80	Major version number
	15, reserved, 14- 6 = reserved for ATA/ATAPI-14 to ATA/ATAPI-6 respectively
	5, 1 =		supports ATA/ATAPI-5
	4, 1 =		supports ATA/ATAPI-4
	3, 1 = supports ATA-3
	2, 1 = supports ATA-2
	1, obsolete
	0, reserved
81	Minor version number
82	C ommand set supported. If words 82 and 83 = 0000h or FFF Fh c ommand set notific ation not supported.
	15, obsolete
	14, 1 = supports the NOP command
	13, 1 = supports the Read Buffer command
	12, 1 = supports the Write Buffer command
	11, obsolete
	10, 1 = supports Host-Protected Area feature set
	9, 1 = supports the Device Res et command
	8, 1 = supports Service Interupt
	7, 1 = s upports Release Interupt
	6, 1 = supports Look Ahead
	5, 1 = s upports Write Cache
	4, shall be cleared to zero
	3, 1 = s upports the Power M anagement feature command
	2, 1 = s upports the Removable Media feature command
	1, 1 = s upports the SecurityMode feature command
	0, 1 = supports the SMART feature set

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