User Manuals: Seagate ST31220A Hard Disk Drives

Manuals and User Guides for Seagate ST31220A Hard Disk Drives. We have 1 Seagate ST31220A Hard Disk Drives manual available for free PDF download: Product Manual

Seagate ST31220A Product Manual

Seagate ST31220A Product Manual (44 pages)

AT Interface Drives

Brand: Seagate | Category: DC Drives | Size: 0 MB

Table of Contents

Table of Contents
5
Specifications
9
Formatted Capacity
9
ST3780A Configurations
10
ST31220A Configurations
10
Physical Organization
10
Functional Specifications
11
Seek Time
12
Multisegmented Cache Buffer
12
Start/Stop Time
13
Typical Power-Up and Power-Down Sequence
13
Power-Up Sequence
13
Power-Down Sequence
13
Auto-Park
13
Reliability
14
Physical Dimensions
14
Environmental Specifications
14
Ambient Temperature
14
Temperature Gradient
14
Altitude
15
Relative Humidity
15
Acoustics
15
Shock and Vibration
15
DC Power
16
Input Noise
16
Power Management
16
Idle and Standby Modes
17
Power-Management Modes
17
Power Consumption
18
Agency Listings
19
Figure 1. Typical Startup Current Profile
19
FCC Verification
20
Configuring and Mounting the Drive
23
Handling and Static-Discharge Precautions
23
I/O Cable and Connector
24
Figure 2. at Interface Connector
24
Remote LED Connection
25
Jumpers
25
Jumper Sizes
25
Figure 3. Configuration Jumpers
26
Dual-Drive Emulation Jumper Block J6
27
Master/Slave Configuration
27
Cable Select Option
28
Figure 4. Connecting Cable-Selected Drives
28
Mounting the Drive
29
Figure 5. Mounting Dimensions
30
AT Interface
31
Command Set
31
Identify Drive Command (EC H )
33
Set Features Command (EF H )
35
Sleep Command (99 H , E6 H )
37
AT Interface Connector Pin Assignments
37
Figure 6. at Interface Connector Pin Assignments
38
Appendix. Timing Diagrams
39
Figure 7. Programmed I/O Timing Without IORDY
39
Figure 8. Programmed I/O Timing with IORDY
40
Figure 9. Multiword DMA Timing
41

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