Quantum DAT 24 Drive Guia do Utilizador Página 141
- Página / 181
- Índice
- MARCADORES
Avaliado. / 5. Com base em avaliações de clientes
Commands: Report Density Support (44h) Page 129
REPORT DENSITY SUPPORT Header
The following table shows the header layout for the REPORT DENSITY SUPPORT
command.
Byte
Bits
7 6 5 4 3 2 1 0
0-1 Available density support length
2 Reserved
3 Reserved
The AVAILABLE DENSITY SUPPORT LENGTH field specifies the number of bytes
in the following data that are available to be transferred. The available density
support length does not include itself. This field is equal to 2 more than an integer
multiple of 52 (the length in bytes of a density support data block descriptor).
REPORT DENSITY SUPPORT Data block descriptor
Byte
Bits
7 6 5 4 3 2 1 0
0 Primary Density Code
1 Secondary Density Code
2 WRTOK DUP DEFLT Reserved
3 Reserved
4 Reserved
5-7 Bits per mm
8-9 Media Width
10-11 Tracks
12-15 Capacity
16-23 Assigning Organization
24-31 Density Name
32-51 Description
DENSITY SUPPORT Data Block Descriptor Field Descriptions
Field Name Bytes Bits Description
Primary
density
code
0 This contains a value returned by a Mode Sense command for the
density described in the remainder of the descriptor. Values are:
DDS3 – 25h
DDS4 – 26h
DAT 72 – 47h
Secondary
density
code
1 This is the same as Primary density code, there are no secondary
densities supported for any media recognized by the drive.
WRTOK 2 7 When 1 indicates that this density code is valid for both read and
write.
When 0 indicates that this density code is valid for read only.
DUP 2 6 This will always return 0 indicating no duplicate density support data
blocks for this code
DEFLT 2 5 One indicates this density code is a default for the drive. Note that
since the drive density depends upon the cassette mounted all density
codes are a default for the drive thus this field will always be one.
- Contents 5
- Commands 34 6
- Introduction 13
- SCSI Interface Description 14
- Signal Descriptions 15
- Command Set Description 16
- General features 17
- SCSI Bus Protocol 18
- Waiting and Control Phases 19
- Figure 2-1 20
- Figure 2-2 20
- Select With Attention 22
- Identify Message 22
- Information Transfer Phases 23
- Figure 2-4 24
- Synchronous Data Transfer 25
- Command Phase 26
- Data Phase 27
- Status Phase 27
- Message Phase 27
- Command Descriptor Block 28
- Logical Unit Support 29
- Attention Condition 36
- Reset Condition 36
- Unit Attention Condition 36
- Buffered Mode 37
- Immediate Function 37
- Residual Length Function 37
- SCSI Memory Address Pointers 39
- Early Warning Function 39
- Error Reporting 40
- Autoloader Operation 41
- General Operation 43
- Loading and Initialization 43
- Front Panel Operation 44
- Cassette Selection 44
- Automatic Loading Mode 44
- Magazine Ejection 45
- Stray Tape Recovery 45
- Commands 46
- Conventions 47
- ERASE (19h) 49
- INQUIRY (12h) 53
- Standard INQUIRY Data Format 54
- LOAD/UNLOAD (1Bh) 57
- LOCATE (2Bh) 59
- LOCATE and the BT Bit 60
- LOG SELECT (4Ch) 62
- Use of the PC Bits 63
- LOG SELECT Parameter Data 64
- LOG SENSE (4Dh) 69
- Using Page Control Bits 71
- Log Sense Pages 72
- Page Header 73
- MODE SELECT (15h) 85
- MODE SELECT Parameters 86
- Completion Status 100
- MODE SENSE (1Ah) 101
- MODE SENSE Parameters 103
- Mode Page Format 105
- READ (08h) 117
- READ BLOCK LIMITS (05h) 122
- READ DATA BUFFER (3Ch) 124
- READ DATA BUFFER Header 125
- Element Status Data 126
- Element Status Data Header 127
- READ POSITION (34h) 131
- READ POSITION Data Format 132
- RELEASE UNIT (17h / 57h) 138
- REPORT DENSITY SUPPORT (44h) 140
- REQUEST BLOCK ADDRESS (02h) 143
- REQUEST SENSE (03h) 145
- Definition of Sense Keys 147
- RESERVE UNIT (16h / 56h) 158
- REWIND (01h) 161
- SEEK BLOCK (0Ch) 162
- SEND DIAGNOSTIC (1Dh) 164
- SPACE (11h) 166
- Space-by-Count Functions 167
- Space and the RSMK Bit 168
- TEST UNIT READY (00h) 170
- VERIFY (13h) 172
- WRITE (0Ah) 174
- WRITE DATA BUFFER (3Bh) 176
- WRITE FILEMARKS (10h) 179
Manuais e produtos relacionados com Unidades de fita magnética Quantum DAT 24 Drive
Unidades de fita magnética Quantum DLT-V4 Manual
(28 páginas)
(28 páginas)
Unidades de fita magnética Quantum DLT 7 Manual
(177 páginas)
(177 páginas)
Unidades de fita magnética Quantum DLT 8000 Manual
(408 páginas)
(408 páginas)
© 2020, manymanuals-pt.com. Todos os direitos reservados. | 0.124 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentários a estes Manuais