Seagate STT8000A Manual download pdf (Page 65)

ATAPI Interface Chapter 5

STT8000A Product Manual Page 57

Rewind command

Bit

Byte

76543210

0 Operation code (01h)

1 Reserved

2 Reserved

3 Reserved

4 Reserved

5 Reserved

The Rewind command first ensures that all buffered write data has been transferred

to the medium, then causes the device to position to BOP of the current partition.

The DSC bit is reset (0) after this command is accepted and is set (1) when the

drive is ready to write at BOP0 (or encountered a hardware error). REQUEST

SENSE can then be used to verify successful command completion.

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STT8000A 1
ATAPI Minicartridge Drive 1
Product Manual 1
Technology, Inc 2
FCC Notice 3
Table of Contents 5
ATAPI interface 31 6
Tape format 63 7
Theory of operations 69 7
Glossary 73 8
Acronyms and measurements 77 8
Introduction 9
Figure 1-1 10
Features 11
Typical system configurations 12
Flash EEPROM 13
Software 13
References 13
About this manual 14
Specifications 15
Figure 2-1 16
Figure 2-2 16
Power specifications 17
Performance specifications 18
Environmental requirements 19
Mean-Time-Between Failures 20
Mean-Time-To-Repair 20
Recommended tapes 21
Tape capacities and formats 21
Regulatory compliance 22
Installation 23
Handling guidelines 23
Setting jumpers 24
Installing the drive 25
Mounting dimensions 26
Figure 3-4 27
Figure 3-5 27
Chapter 3 Installation 28
Installation Chapter 3 29
DRIVE ACTIVE 31
Using Travan cartridges 32
Figure 4-4 33
Figure 4-5 33
Caring for tape cartridges 35
Caring for the drive 35
Capstan Tape Head 36
Troubleshooting 37
ATAPI interface 39
ATA-2 Signals 39
ATA registers 40
ATAPI Interface Chapter 5 41
Supported ATA Commands 42
Chapter 5 ATAPI Interface 44
Erase command 47
Inquiry command 48
Load/Unload command 49
Locate command 50
Log Select command 51
Log Sense command 52
Error Counter Page (Read) 53
Tape Capacity Page Code 54
Mode Select command 55
Mode Sense command 56
Mode Parameter Header 57
Mode Block Descriptor 57
Mode Medium Partition Page 58
Mode Tape Parameters Page 59
Read command 60
Read Position command 61
Request Sense command 63
Rewind command 65
Space command 66
Test Unit Ready command 67
Write command 68
Write Filemark command 69
Tape format 71
Track numbering 72
Track format 72
Figure 6-1 73
General track layout 73
Figure 6-2 73
General frame layout 73
Tape reference servo pattern 74
Write equalization 75
Randomization 75
Chapter 6 Tape format 76
Overview 77
Block diagram 77
Cartridge load mechanism 78
Capstan drive motor assembly 78
Control circuits 79
Head design 79
Sensors and switches 79
Media—Travan minicartridges 80
Glossary 81
Appendix A Glossary 82
Glossary Appendix A 83
Acronyms and measurements 85
Units of measurement 87

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