Hitachi HDT725025VLA380 Specifications - Page 164

Minimum PIO Transfer Cycle Time With IORDY Flow Control

Page 164 highlights

Word 50 51 52 53 54 55 56 57-58 59 60-61 62 63 64 65 66 67 68 69-74 75 Content Description 4000H Capabilities, bit assignments: 15-14(=01) word 50 is valid 13- 1 (=0) Reserved 0 Minimum value of Standby timer (=0) less than 5 minutes 0200H 0200H PIO data transfer cycle timing mode DMA data transfer cycle timing mode * Refer Word 62 and 63 0007H Validity flag of the word 15- 3(=0) Reserved 2(=1) 1=Word 88 is Valid 1(=1) 1=Word 64-70 are Valid 0(=1) 1=Word 54-58 are Valid xxxxH Number of current cylinders xxxxH Number of current heads xxxxH Number of current sectors per track xxxxH Current capacity in sectors Word 57 specifies the low word of the capacity 0xxxH Current Multiple setting. bit assignments 15- 9 (=0) Reserved 8 1= Multiple Sector Setting is Valid 7- 0 xxh = Current setting for number of sectors xxxxH Total Number of User Addressable Sectors Word 60 specifies the low word of the number FFFFFFFh=The 48-bit native max address is greater than 268,435,455 0000H xx07H 0003H 0078H 0078H 00F0H 0078H 0000H Multiword DMA Transfer Capability 15- 8 Multi word DMA transfer mode active 7- 0 (=7) Multi word DMA transfer modes supported (support mode 0,1 and 2) Flow Control PIO Transfer Modes Supported 15-8(=0) Reserved 7-0 (=3) Advanced PIO Transfer Modes Supported '11' = PIO Mode 3 and 4 Supported Minimum Multiword DMA Transfer Cycle Time Per Word 15-0(=78) Cycle time in nanoseconds (120ns, 16.6MB/s) Manufacturer's Recommended Multiword DMA Transfer Cycle Time 15-0(=78) Cycle time in nanoseconds (120ns, 16.6MB/s) Minimum PIO Transfer Cycle Time Without Flow Control 15-0(=F0) Cycle time in nanoseconds (240ns, 8.3MB/s) Minimum PIO Transfer Cycle Time With IORDY Flow Control 15- 0(=78) Cycle time in nanoseconds (120ns, 16.6MB/s) Reserved 001FH Queue depth 15-5(=0) 4-0(=1F) Reserved Maximum queued depth - 1 Deskstar T7K500 Hard Disk Drive Specification 150

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
  • 264
  • 265
  • 266
  • 267
  • 268
  • 269
  • 270
  • 271
  • 272
  • 273
  • 274
  • 275
  • 276
  • 277
  • 278
  • 279
  • 280
  • 281
  • 282
  • 283
  • 284
  • 285
  • 286
  • 287
  • 288
  • 289
  • 290
  • 291

Deskstar T7K500 Hard Disk Drive Specification
150
Word
Content
Description
50
4000H
Capabilities, bit assignments:
15-14(=01)
word 50 is valid
13- 1 (=0)
Reserved
0
Minimum value of Standby timer
(=0)
less than 5 minutes
51
0200H
PIO data transfer cycle timing mode
52
0200H
*
DMA data transfer cycle timing mode
Refer Word 62 and 63
53
0007H
Validity flag of the word
15- 3(=0)
Reserved
2(=1)
1=Word 88 is Valid
1(=1)
1=Word 64-70 are Valid
0(=1)
1=Word 54-58 are Valid
54
xxxxH
Number of current cylinders
55
xxxxH
Number of current heads
56
xxxxH
Number of current sectors per track
57-58
xxxxH
Current capacity in sectors
Word 57 specifies the low word of the capacity
59
0xxxH
Current Multiple setting. bit assignments
15- 9 (=0)
Reserved
8
1= Multiple Sector Setting is Valid
7- 0
xxh = Current setting for number of sectors
60-61
xxxxH
Total Number of User Addressable Sectors
Word 60 specifies the low word of the number
FFFFFFFh=The 48-bit native max address is greater than 268,435,455
62
0000H
63
xx07H
Multiword DMA Transfer Capability
15- 8
Multi word DMA transfer mode active
7- 0 (=7)
Multi word DMA transfer modes supported
(support mode 0,1 and 2)
64
0003H
Flow Control PIO Transfer Modes Supported
15-8(=0)
Reserved
7-0 (=3)
Advanced PIO Transfer Modes Supported
'11' = PIO Mode 3 and 4 Supported
65
0078H
Minimum Multiword DMA Transfer Cycle Time Per Word
15-0(=78)
Cycle time in nanoseconds (120ns, 16.6MB/s)
66
0078H
Manufacturer's Recommended Multiword DMA Transfer Cycle Time
15-0(=78)
Cycle time in nanoseconds (120ns, 16.6MB/s)
67
00F0H
Minimum PIO Transfer Cycle Time Without Flow Control
15-0(=F0)
Cycle time in nanoseconds (240ns, 8.3MB/s)
68
0078H
Minimum PIO Transfer Cycle Time With IORDY Flow Control
15- 0(=78)
Cycle time in nanoseconds (120ns, 16.6MB/s)
69-74
0000H
Reserved
75
001FH
Queue depth
15-5(=0)
Reserved
4-0(=1F)
Maximum queued depth - 1