Hitachi T7K250 - Deskstar - Hard Drive Specifications page 11

List of Tables
Table 1.Mechanical positioning performance ...........................................................11
Table 2.Cylinder allocation........................................................................................13
Table 3.Command overhead ......................................................................................15
Table 4.Mechanical positioning performance ...........................................................15
Table 5.Full stroke seek time .....................................................................................16
Table 6.Head switch time ..........................................................................................16
Table 7.Single track seek time ...................................................................................17
Table 8.Latency Time ................................................................................................17
Table 9.Drive ready time ...........................................................................................17
Table 10.Data transfer speed .....................................................................................18
Table 11.Simple Sequential Access performance......................................................19
Table 12.Random Access Performance .....................................................................19
Table 13.Description of operating modes..................................................................20
Table 14.Mode transition time...................................................................................20
Table 15.Plist physical format ...................................................................................21
Table 16.Signal definitions ........................................................................................25
Table 17.Special signal definitions for Ultra DMA...................................................26
Table 18.System reset timing chart............................................................................31
Table 19.System reset timing.....................................................................................31
Table 20.Ultra DMA cycle timing chart (Host pausing Read) ..................................36
Table 21.Ultra DMA cycle timings (Host pausing Read) .........................................36
Table 22.Ultra DMA cycle timing chart (Host terminating Read) ............................37
Table 23.Ultra DMA cycle timings (Host Terminating Read) ..................................37
Table 24.Ultra DMA cycle timing chart (Device terminating Read) ........................38
Table 25.Ultra DMA cycle timings (Device Terminating Read) ..............................38
Table 26.Ultra DMA cycle timing chart (Initiating Write) .......................................39
Table 27.Ultra DMA cycle timings (Initiating Write) ...............................................39
Table 28.Ultra DMA cycle timing chart (Device Pausing Write) .............................40
Table 29.Ultra DMA cycle timing chart (Device Pausing Write) .............................40
Table 30.Ultra DMA cycle timing chart (Device Terminating Write) ......................41
Table 31.Ultra DMA cycle timings (Device terminating Write)...............................41
Table 32.Ultra DMA cycle timing chart (Host Terminating Write)..........................42
Table 33.Ultra DMA cycle timings (Host Terminating Write) .................................42
Table 34.I/O address map ..........................................................................................43
Table 35.Temperature and humidity..........................................................................53
Table 36.Input voltage ...............................................................................................54
Table 37.Power supply current of xxx-GB models ...................................................55
Table 38.Power supply generated ripple at drive power connector...........................56
Table 39.Random vibration PSD profile break points (operating) ............................62
Table 40.Random Vibration PSD profile breakpoints (nonoperating) ......................62
Table 41.Sinusoidal shock wave................................................................................64