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Seagate ST125N - Table of Contents

Seagate ST125N
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Table of Contents
1 Specification Summary . . . . . . 1
1.1
Drive Capacity . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1.1
Fonnatted Capacity . . . . . . . . . . . . . . . . . . . . 1
1.2 Data Organization . . . . . . . . . . . . . . . . . . . . . . . 1
1.3
Access Time Definition
and
Timing . . . . . . . . . . . . . . 2
1.4
Functional
SpecHlcatlons
. . . . . . . . . . . . . . . . . . . . 3
1.5
Physical
SpecHlcatlons
. . . . . . . . . . . . . . . . . . . . . 4
1.6
Rellablllty Specifications . . . . . . . . . . . . . . . . . . . . 4
1.
7 Environmental
SpecHlcatlons
. . . . . . . . . . . . . . . . . 4
1.
7.1
Ambient Temperature . . . . . . . . . . . . . . . . . . . 4
1.
7.2 Temperature Gradient . . . . . . . . . . . . . . . . . . . 4
1.
7
.3
Relative Humidity . . . . . . . . . . . . . . . . . . . . . 4
1.
7
.4
Altitude . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.8
Shock and Vibration Specifications . . . . . . . . . . . . . . 5
1.8.1
Operating Shock . . . . . . . . . . . . . . . . . . . . . 5
1.8.2
Operating Vibration . . . . . . . . . . . . . . . . . . . . 5
1.8.3 Nonoperating Shock . . . . . . . . . . . . . . . . . . . 5
1.8.4 Nonoperatlng Vibration . . . . . . . . . . . . . . . . . . 6
1.9
DC
Power Specifications
....................
6
1.9.1
Input Noise Ripple
and
Frequency . . . . . . . . . . . . 7
1.
1 O Mounting Requirements . . . . . . . . . . . . . . . . . . . 8
1.1O.1
Shock Mounting Recommendations . . . . . . . . . . . 8
1.10.2
Handling and Static Discharge Precautions
......
10
1.
11
1/0 Cable Requirements . . . . . . . . . . . . . . . . . . 1 O
1.11.1
Cable
.........................•
10
1.11.2 Connector Requirements . . . . . . . . . . . . . . .
11
1.12
SCSI
Bus
Drivers/Receivers . . . . . . . . . . . . . . .
12
2 General Product Definition
••.••••••••••••••••
13
2.1
SCSI
Interface . . . . . . . . . . . . . . . . . . . . . . . .
13
2.2 Intelligent Disc Drive Configuration . . . . . . . . . . . . .
13
2.2.1
SCSI
Bus
Address . . . . . . . . . . . . . . . . . . .
15
2.3 ST125N/138N/157N
SCSI
Commands . . . . . . . . . . .
15
2.4 Error Recovery . . . . . . . . . . . . . . . . . . . . . . . .
16
2.5 Disc Format . . . . . . . . . . . . . . . . . . . . . . . . .
17
2.5.1
Formatting
and
Defect Management . . . . . . . . . .
17
2.5.2 Sector Interleave . . . . . . . . . . . . . . . . . . . .
17
2.6 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . .
17
2.
7 Incoming Inspection . . . . . . . . . . . . . . . . . . . . .
18
ST125N/138N/157N Product Manual,
Rev.
c
Ill

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