Seagate Medalist ST3636A Manuel utilisateur
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Medalist Family:
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ST31276A
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ST31082A
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ST3636A
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Product Manual
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ST3636A/ST31082A/ST31276A
Intelligent Disk Drive
Product Manual
P/N 20401028-001
Revision C
September 1996
920 Disc Drive
Scotts Valley, California
95066
FCC Notice This equipment generates and uses radio frequency energy and, if not installed
and used properly; that is, in strict accordance with the manufacturer's
instructions, may cause interference to radio and television reception. It has
been type tested and found to comply with the limits for a Class B computing
device in accordance with the specifications in Part 15 of FCC Rules, which are
designed to provide reasonable protection against such interference in a
residential installation. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause interference
to radio or television reception, which can be determined by turning the
equipment on and off, you are encouraged to try to correct the interference by
one or more of the following measures:
• Reorient the receiving antenna.
• Relocate the computer with respect to the receiver.
• Move the computer into a different outlet so that the computer and receiver
are on different branch circuits.
If necessary, you should consult the dealer or an experienced radio/television
technician for additional suggestions. You may find the following booklet
prepared by the Federal Communications Commission helpful:
How to Identify and Resolve Radio-TV Interference Problems
This booklet (Stock No. 004-000-00345-4) is available from the U.S. Government
Printing Office, Washington, DC 20402.
Warning: Changes or modifications made to this equipment which have not
been expressly approved by Seagate Technology, Inc. may cause radio and
television interference problems that could void the user's authority to operate
the equipment.
Further, this equipment complies with the limits for a Class B digital apparatus
in accordance with Canadian Radio Interference Regulations.
Cet appareil numérique de la classe B est conforme au Règlement sur le
brouillage radioélectrique, C.R.C., ch. 1374.
Seagate, Seagate Technology and the Seagate logo are registered trademarks of
Seagate Technology, Inc. All other trademarks mentioned in this manual are
property of their respective owners.
Copyright 1996, Seagate Technology, Inc.
All rights reserved.
Important Information About this Manual
All information contained in or disclosed by this document is considered
proprietary by Seagate Technology, Inc. By accepting this material, the
recipient agrees that this material and the information contained therein are
held in confidence and in trust and will not be used, reproduced in whole or in
part, nor its contents revealed to others, except to meet the purpose for which it
was delivered. It is understood that no right is conveyed to reproduce or
translate any item herein disclosed without express written permission from
Seagate Technology, Inc.
Seagate Technology, Inc. provides this manual "as is," without warranty of any
kind, either expressed or implied, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose. Seagate
Technology, Inc. reserves the right to change, without notification, the
specifications contained in this manual.
Seagate Technology, Inc. assumes no responsibility for the accuracy,
completeness, sufficiency, or usefulness of this manual, nor for any problem
that might arise from the use of the information in this manual.
Technical Reference Manual Page i
Table of Contents
1. Overview of the Drive 1
What is the Drive? 1
Features of the Drive 1
What the Drive is Composed Of 2
Mechanical Design Features 2
Drive Assembly Housing 2
Head Positioning Mechanism 2
Read/Write Heads and Disks 3
Data and Power Connections 4
Electrical Design Features 4
Pre-amplifier 4
Circuit Board 4
Firmware 4
2. Specifications 5
Specifications In This Chapter 5
Drive Capacity 6
Physical Configuration 6
Performance Characteristics 7
Read/Write Characteristics 8
Reliability 8
Power Requirements 9
Environmental Tolerances 9
Product Test Standards 10
Physical Characteristics 11
3. How the Drive Operates 13
Functions of the Drive 13
Drive Operational Modes 13
Error Correction 13
Universal Translate Mode 14
Master/Slave Configuration 14
Cable Select 15
Forced M/S operation: 15
4. Installing the Drive 17
Take These Precautions 17
Installing the Drive 17
Setting the Drive’s Jumpers 18
Attaching a Data Cable to the Drive 19
Attaching Power to the Drive 21
Mounting the Drive 22
Table of Contents ST3636A/ST1082A/ST31276A
Page ii ST3636A/ST31082A/ST31276A
5. Host Interface 23
About the Host Interface 23
Signal Conventions 23
Signal Levels 23
Signal Descriptions 24
ATA/CAM Master/Slave Reset Timing 26
Host PI0 16-Bit Timing Values 28
Host Demand Mode DMA 16-bit Interface Timing Values 29
6. Register Addresses and Functions 31
Host Address Decoding 31
Addressing the Data 33
Cylinder-head-sector (CHS) mode 33
Logical Block Addressing (LBA) Mode 33
Descriptions of the Registers 34
Data Register 34
Error Register 35
Features Register (formerly Write Precomp Register) 36
Sector Count 36
Sector Number 36
Cylinder Low 37
Cylinder High 37
Device/Head Register 38
Status Register 39
Alternate Status Register 40
Device Control Register 41
Drive Address Register 42
Command Register 42
7. Command Set 45
Command Register 45
Seagate Specific 46
Get Drive Feature word (00) 47
Execute Drive Diagnostic 48
Format Track 48
Identify Device 49
Initialize Device Parameters 53
Power Commands 54
Read DMA 55
Read Multiple 56
Read Sector(s) 57
Read Sector Buffer 58
Read Verify Sectors 58
Recalibrate 59
Seek 59
Set Features (Set Look Ahead Read) 60
Set Multiple Mode 61
S.M.A.R.T. 62
Device Attributes Data Structure 65
Device Attribute Thresholds Data Structure 68
Error Reporting 70
Ce manuel convient aux modèles suivants
2
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