Maxtor DiamondMax Plus 5120 Product Manual page 58

INTERFACE COMMANDS
WORD CONTENT DESCRIPTION
50 Reserved
51 15-8 = PIO data transfer mode
7-0 = not used
52 15-8 = DMA data transfer mode
7-0 = not used
53 15 = 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 Current capacity in sectors
59 15-9 = reserved
8, 1 = multiple sector setting is valid
7-0xxh = current setting for number of sectors that can per transferred per interrupt on Read/Write Multiple
command
60 - 61 Total number of user addressable sectors (LBA mode only)
62 Reserved
63 15-8 = Multi-word DMA transfer mode active
7-0 = Multi=word DMA transfer modes supported
64 15-8 = reserved
7-0 = advanced PIO transfer modes supported
65 Minimum multi-word DMA transfer cycle time (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)
69-79 Reserved
80 15-5 = reserved
4, 1 = supports ATA-4
3, 1 = supports ATA-3
2, 1 = supports ATA-2
1, 1 = supports ATA-1
0, reserved
81 Minor version number
82 Command set supported. If words 82 and 83 = 0000h or FFFFh command set notification not supported.
15, 1 = supports the Identify Device DMA command
14, 1 = supports the NOP command
13, 1 = supports the Write Buffer command
12, 1 = supports the Read Buffer command
11, 1 = supports the Read Buffer command
10, 1 = supports Host-Protected Area feature set
9, 1 = supports the Device Reset command
8, 1 = supports Service Interupt
7 , 1 = supports Release Interupt
6, 1 = supports Look Ahead
5, 1 = supports Write Cache
4, 1 = supports the Packet command feature set
3, 1 = supports the Power Management feature command
2, 1 = supports the Removable feature command
1, 1 = supports the Security featurecommand
0, 1 = supports the SMART feature set
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