Seagate ST12400N Product Manual page 7

Product Manual - Hawk 2 Family SCSI-2 (Volume 1), Rev. B
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7.0 Physical/electrical specifications .............................................................................................. 21
7.1 AC power requirements ................................................................................................... 21
7.2 DC power requirements ................................................................................................... 21
7.2.1
7.2.2
7.2.3
7.3 Heat/power dissipation ..................................................................................................... 23
7.4 Environmental limits ......................................................................................................... 23
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.5 Electromagnetic compatibility ........................................................................................... 28
7.5.1
7.6 Mechanical specifications ................................................................................................ 29
7.6.1
7.6.2
7.6.3
8.0 Media characteristics ................................................................................................................. 32
8.1 Media description ............................................................................................................. 32
9.0 Defect and error management ................................................................................................... 33
9.1 Drive internal defects/errors ............................................................................................. 33
9.2 SCSI systems error considerations .................................................................................. 33
10.0 Option/configuration headers.................................................................................................... 34
10.1 Drive ID/option select header ........................................................................................... 34
10.2 Synchronized spindles interface ...................................................................................... 37
10.2.1
10.3 Grounding ........................................................................................................................ 38
11.0 Interface requirement ................................................................................................................. 39
11.1 General description .......................................................................................................... 39
11.2 SCSI interface messages supported ................................................................................ 39
11.3 SCSI interface commands supported .............................................................................. 40
11.3.1
11.3.2
11.4 SCSI bus conditions and miscellaneous features supported ............................................ 48
11.5 Synchronous data transfer ............................................................................................... 49
11.5.1
11.5.2
11.6 Physical interface ............................................................................................................. 49
11.6.1
11.6.2
11.6.3
11.6.4
11.7 Disc drive timing .............................................................................................................. 65
Table of contents
Conducted noise immunity ................................................................................ 22
Power sequencing ............................................................................................. 22
12 V - current profile .......................................................................................... 22
Temperature ...................................................................................................... 24
Relative humidity ............................................................................................... 26
Effective altitude (sea level ref) .......................................................................... 26
Shock and vibration ........................................................................................... 26
Air cleanliness ................................................................................................... 28
Electromagnetic susceptibility ........................................................................... 28
Drive orientation ................................................................................................ 31
Cooling .............................................................................................................. 31
Drive mounting .................................................................................................. 31
electrical description .......................................................................................... 37
Inquiry data ....................................................................................................... 42
Mode sense data ............................................................................................... 43
Synchronous data transfer periods supported ................................................... 49
REQ/ACK offset ................................................................................................ 49
DC cable and connector .................................................................................... 51
Physical characteristics ..................................................................................... 51
Connector requirements .................................................................................... 53
Electrical description ......................................................................................... 60
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