Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive Specifications page 6

7.9.1 Disable Auto Spin (position 1-2) ............................................................................27
7.9.2 Auto Spin Delay and Delay Spin 12 / 6 (position 3-4) ...........................................27
7.9.3 Force Single Ended Mode (position 7-8)................................................................27
7.9.4 Reserved (position 9-10).........................................................................................27
7.9.5 LED Driver Out (position 11-12) ...........................................................................28
7.9.6 Positions #13-14 .....................................................................................................28
7.10 Jumper signal Description on 68 pin Jumper Block ......................................................29
7.10.1 LED Driver Out (position 1-2) .............................................................................29
7.10.2 Enable Termination Power (positions 3-4) ...........................................................29
7.10.3 Force Single Ended Mode (position 5-6)..............................................................29
7.10.4 Positions #7-8 to #13-14: Device ID ....................................................................29
7.11 Jumper Signal Description on 68 pin Jumper Block (J6) ..............................................30
7.11.1 Disable Auto Spin (position 1-2) ..........................................................................30
7.11.2 Auto Spin Delay and Delay Spin 12 / 6 (position 3-4 and 5-6)............................30
7.11.3 Disable Parity (position 7-8).................................................................................30
7.11.4 Disable Unit Attention (position 11-12) ...............................................................30
7.11.5 Reserved (positions 9-10 and 13-14) ...................................................................30
8.0 Environment.........................................................................................................................31
8.1 Temperature and humidity...............................................................................................31
8.2 Storage requirements .......................................................................................................32
8.2.1 Packaging................................................................................................................32
8.2.2 Storage time ............................................................................................................32
8.3 Corrosion test ...................................................................................................................32
8.4 Cooling requirements.......................................................................................................33
9.0 DC power requirements ......................................................................................................35
9.1 Power supply current, average, and peak.........................................................................36
9.2 Ripple voltage ..................................................................................................................38
9.3 Power consumption efficiency index...............................................................................39
10.0 Reliability............................................................................................................................41
10.1 Start/stop cycles .............................................................................................................41
10.2 Data reliability ...............................................................................................................41
10.3 Seek errors .....................................................................................................................41
10.4 Failure prediction (PFA/S.M.A.R.T) .............................................................................41
10.5 Preventive maintenance .................................................................................................41
10.6 Temperature warning .....................................................................................................41
11.0 Mechanical specifications..................................................................................................43
11.1 Outline ...........................................................................................................................43
11.2 Mechanical dimensions..................................................................................................44
11.3 Interface connector ........................................................................................................45
11.3.1 68 and 80 pin connectors ......................................................................................45
11.4 Mounting positions and tappings ...................................................................................46
11.5 Drive mounting ..............................................................................................................48
11.6 Heads unload and actuator lock .....................................................................................48
11.7 Breather hole..................................................................................................................48
12.0 Vibration and shock...........................................................................................................49
12.1 Operating vibration ........................................................................................................49
Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification