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TANDBERG SLR100 Reference Manual

Summary of SLR100

  • Page 1

    Tandberg slr tandberg slr7, slr50, slr60, slr75, slr100, slr140 reference manual tandberg data asa p.O. Box 134 kjelsås n-0411 oslo, norway phone + 47 22 18 90 90 telefax + 47 22 18 95 50 © tandberg data asa part no. 43 04 44 - 11 october 2003.

  • Page 2

    Related publications available from tandberg data asa: part no. Title 43 07 43 tandberg slr7, slr50, slr60, slr75, slr100, 140 scsi interface - functional specifications 43 10 15 tandberg slr series selftest interface – functional specifications this publication may describe designs for which patent...

  • Page 3: Table of Contents

    __________________________________________________________________________ tandberg slr reference manual i table of contents 0. Preface 1 1. About this manual 1 1.1. Definitions 1 1.2. Introduction to this manual 1 1.3. Additional documentation 2 2. Introduction to the drive 1 2.1. Summary 1 2.2. Ge...

  • Page 4

    Tandberg data table of contents ___________________________________________________________________________ ii tandberg slr reference manual 3.6.11. Cartridge manipulation system 15 3.6.12. Tape erasure for alrf-1, alrf-6, mlr3 (slr50), qic- 5010 and slr6 (slr24) 16 3.6.12.1. Logical erase 16 3.6.12...

  • Page 5

    Tandberg data table of contents ___________________________________________________________________________ tandberg slr series reference manual iii 6.8. Data append 12 6.9. End of track 12 6.10. Media header 13 6.10.1. Identifier field 13 6.10.2. Device directory 13 6.11. Reference and servo tracks...

  • Page 6

    Tandberg data table of contents ___________________________________________________________________________ iv tandberg slr reference manual 10.8.2. Cartridge manipulation test 15 10.8.3. Read/write test 16 10.9. For advanced use 19 11. Preventive maintenance 1 app. A. Initialization and power-on se...

  • Page 7: Preface

    __________________________________________________________________________ tandberg slr reference manual 0-1 0. Preface this is the reference manual for the tandberg slr product line (tandberg slr7, slr50, slr60, slr75, slr100 and slr140) scsi compatible, streaming quarter-inch tape cartridge drives...

  • Page 8

    Tandberg data preface ___________________________________________________________________________ 0-2 tandberg slr reference manual this page intentionally left blank.

  • Page 9: About This Manual

    __________________________________________________________________________ tandberg slr reference manual 1-1 1. About this manual 1.1. Definitions the following two terms are widely used throughout this manual: “the drive” refers to the half-height scsi (“small computer system inter- face”) compatib...

  • Page 10

    Tandberg data about this manual ___________________________________________________________________________ 1-2 tandberg slr reference manual chapter 2 describes the basic features of the drive, accompanied by a block diagram. Chapter 3 gives the technical specifications in detail. Chapter 4 contain...

  • Page 11: Introduction to The Drive

    __________________________________________________________________________ tandberg slr reference manual 2-1 2. Introduction to the drive 2.1. Summary this chapter describes the basic features of the tandberg data slr streaming quarter inch tape cartridge drive. After a general introduction, a descr...

  • Page 12

    Tandberg data introduction to the drive ___________________________________________________________________________ 2-2 tandberg slr reference manual the tandberg slr7, slr50, slr60, slr75, slr100 and slr140 products offer full cartridge autoload/autoeject. The front door closes behind the cartridge...

  • Page 13

    Tandberg data introduction to the drive ___________________________________________________________________________ tandberg slr reference manual 2-3 figure 2.1 the tandberg slr product line drive the electronics the electronics is contained on three printed circuit boards: the mainboard, the sensor...

  • Page 14

    Tandberg data introduction to the drive ___________________________________________________________________________ 2-4 tandberg slr reference manual 2.3. Tape format and drive operation data is formatted into small blocks, each block containing 512/1024 bytes of data (1024 bytes for the qic-2gb and...

  • Page 15

    Tandberg data introduction to the drive ___________________________________________________________________________ tandberg slr reference manual 2-5 2.4. Drive block diagram with description all drive operations are controlled by the mc68331 microcomputer on the mainboard. This includes the steppin...

  • Page 16

    Tandberg data introduction to the drive ___________________________________________________________________________ 2-6 tandberg slr reference manual scsi controller the qlogic’s fas368m is a multimode scsi controller which in addition to supporting ultra and wide ultra scsi bus single ended mode, a...

  • Page 17

    Tandberg data introduction to the drive ___________________________________________________________________________ tandberg slr reference manual 2-7 read channel slr50 the read channel consists of the three asics: preamplifier, read (read equalizer and detector) and dataseparator. The low-noise pre...

  • Page 18

    Tandberg data introduction to the drive ___________________________________________________________________________ 2-8 tandberg slr reference manual capstan motor system the capstan motor system consists of a brushless dc motor controlled by a quartz crystal controlled servo loop. The speed sensors...

  • Page 19: Product Specifications

    __________________________________________________________________________ tandberg slr reference manual 3-1 3. Product specifications this section contains a comprehensive set of specifications for the drive. 3.1. Mechanical dimensions and weight standard drive mounting fits in 5.25-inch half-heigh...

  • Page 20

    Tandberg data product specifications ___________________________________________________________________________ 3-2 tandberg slr reference manual power dissipation 7.2 w motor not running 23.1 w typical, motor running with cartridge inserted 3.3. Environmental specifications the following definitio...

  • Page 21

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-3 3.3.2. Temperature variation operating maximum 10°c per hour, non-condensing 3.3.3. Atmospheric pressure operating 53 - 106 kpa [maximum altitude 4 000 m...

  • Page 22

    Tandberg data product specifications ___________________________________________________________________________ 3-4 tandberg slr reference manual 3.4. Product performance specifications 3.4.1. Audible noise 50 db lpa according to iso7779 : 1988 measured at a distance of 1 m. 3.4.2. Emc emission the...

  • Page 23

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-5 3.4.3.6. Susceptibility to voltage dips and interruptions on ac-power parts (en 61000-6-11) the drive complies with: • en 55024 and en61000-6-2 (the driv...

  • Page 24

    Tandberg data product specifications ___________________________________________________________________________ 3-6 tandberg slr reference manual 3.5. Product reliability the predicted reliability of the drive is expressed in two parts that will cover the expected random mean time between failures ...

  • Page 25

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-7 3.6. Functional specifications 3.6.1. Media drive model media name tape length (meters/feet) capacity (native) slr140 slrtape140, slr140 506/1660 70 gbyt...

  • Page 26

    Tandberg data product specifications ___________________________________________________________________________ 3-8 tandberg slr reference manual 3.6.2. Track width and location number of recorded tracks alrf-6: 192 tracks (+ 24 servo tracks) alrf-1: 192 tracks (+ 24 servo tracks) mlr3 (slr50): 144...

  • Page 27

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-9 3.6.3.2. Slr60/75/100/140 and slr50 vu 2000 head (see note) head type thin-film inductive write/magneto resistive (mr) read. 6-channel read-after-write c...

  • Page 28

    Tandberg data product specifications ___________________________________________________________________________ 3-10 tandberg slr reference manual slrtape100 – – – – 87.5/70/52.5 87.5/70/52.5 slrtape75 – – 70/52.5 70/52.5 87.5/70/52.5 87.5/70/52.5 slrtape60 – – 70/52.5 70/52.5 87.5/70/52.5 87.5/70/...

  • Page 29

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-11 3.6.5. Recording specifications recording method the alrf-1, alrf-2 and alrf-6 formats are encoded according to vr 2 rll. The mlr3 (slr50), qic-5010-dc ...

  • Page 30

    Tandberg data product specifications ___________________________________________________________________________ 3-12 tandberg slr reference manual 3.6.6. Data error rate definitions the various types of error rates can be divided into five different categories: 1) hard write error rate 2) rewrite e...

  • Page 31

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-13 3.6.6.1. Data error rates error rate specification - tandberg slr7: tape format ↓ hard write error rate rewrite error rate soft read error rate raw read...

  • Page 32

    Tandberg data product specifications ___________________________________________________________________________ 3-14 tandberg slr reference manual 3.6.7. Head positioning mechanism this mechanism includes two main functions: - the head stepping mechanism which places the magnetic head in any positi...

  • Page 33

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-15 3.6.8. Capstan system type of capstan motor high-efficiency, brushless dc motor servo system analog servo-system with crystal controlled, digital refere...

  • Page 34

    Tandberg data product specifications ___________________________________________________________________________ 3-16 tandberg slr reference manual 3.6.12. Tape erasure for alrf-1, alrf-6, mlr3 (slr50), qic-5010 and slr6 (slr24) logical and security erase tape erasure is performed by means of overwr...

  • Page 35

    Tandberg data product specifications ___________________________________________________________________________ tandberg slr reference manual 3-17 cartridge eject the eject button is normally used to activate the automatic cartridge eject system. An eject operation is initiated by pushing the eject...

  • Page 36

    Tandberg data product specifications ___________________________________________________________________________ 3-18 tandberg slr reference manual 3.6.14.2. Led indicators the drive has three leds that are used to communicate messages to the operator, the ready led (green), the activity led (green)...

  • Page 37: Mounting Specifications

    __________________________________________________________________________ tandberg slr reference manual 4-1 4. Mounting specifications 4.1. General mounting information mounting positions recommended mounting position is either horizontal with the indicator leds to the right, or vertical with the l...

  • Page 38

    Tandberg data mounting specifications ___________________________________________________________________________ 4-2 tandberg slr reference manual cable lengths according to table: (slr-single-ended) asynchronous ( slow ( fast ( ultra ( 1 to 4 devices 6 m 6 m 3 m 3 m 5 to 8 devices 6 m 6 m 3 m 1.5 ...

  • Page 39

    Tandberg data mounting specifications ___________________________________________________________________________ tandberg slr reference manual 4-3 4.2. Strap setting / selecting drive number the “multi-function” jumper field located at the drive’s rear end (see figures 4.3a and 4.3b) supports the f...

  • Page 40

    Tandberg data mounting specifications ___________________________________________________________________________ 4-4 tandberg slr reference manual 4.2.1. Selecting drive number the factory default drive number setting is drive 0. If the drive has to be set up as a different unit number, the straps ...

  • Page 41

    Tandberg data mounting specifications ___________________________________________________________________________ tandberg slr reference manual 4-5 4.2.2. Enable/disable bus parity checking • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • the drive parity checking is enabled/disabled ...

  • Page 42

    Tandberg data mounting specifications ___________________________________________________________________________ 4-6 tandberg slr reference manual 4.3. Scsi-bus interface configuration figure 4.5 shows a typical scsi-bus configuration making use of the drive. In this system, each peripheral device ...

  • Page 43

    Tandberg data mounting specifications ___________________________________________________________________________ tandberg slr reference manual 4-7 4.4. Power dissipation the slr7/50/60/75/100/140 drive dissipates typically 23.1 watts when running, and 7.2 watts in stand-by. Part of this energy is d...

  • Page 44

    Tandberg data mounting specifications ___________________________________________________________________________ 4-8 tandberg slr reference manual this page intentionally left blank.

  • Page 45: Data Reliability

    __________________________________________________________________________ tandberg slr reference manual 5-1 5. Data reliability 5.1. Summary this chapter deals with data reliability. It starts with a general introduction including important points for the system designer, and then goes on to descri...

  • Page 46

    Tandberg data data reliability ___________________________________________________________________________ 5-2 tandberg slr reference manual reduce the possibility of errors however, it is very important that the system in which the drive is to be mounted also is designed to reduce the possibility o...

  • Page 47

    Tandberg data data reliability ___________________________________________________________________________ tandberg slr reference manual 5-3 5.3. Write mode data is immediately verified by a read-while-write check. The read channel has stricter acceptance levels during this operation to detect margi...

  • Page 48

    Tandberg data data reliability ___________________________________________________________________________ 5-4 tandberg slr reference manual important! Tape is a very hygroscopic media. If exposed to a high humidity environment over some period, it requires a special procedure to bring a cartridge b...

  • Page 49: Track, Tape-Format and

    __________________________________________________________________________ tandberg slr reference manual 6-1 6. Track, tape-format and encoding specifications 6.1. Summary this chapter describes tape format, layout of each track, type of recording, and type of data encoding employed. Information abo...

  • Page 50

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-2 tandberg slr reference manual 6.2. Tape formats 6.2.1. Qic-5010-dc and slr6 (slr24) formats user data is transferred from the host via the scsi interface into t...

  • Page 51

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-3 6.2.2. Mlr3 (slr50) format the organization of the data is equal to qic-5010-dc and slr6 (slr24), see section 6.2.1. The ecc-block...

  • Page 52

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-4 tandberg slr reference manual 6.3. Block layouts all blocks, whether it is a data block, a filemark block or a control block have the same layout. 6.3.1. Format...

  • Page 53

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-5 6.3.1.4. Control field all blocks have 8 control bytes. The data and informational blocks have different contents from the ecc blo...

  • Page 54

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-6 tandberg slr reference manual 6.3.1.8. Postamble the postamble is recorded as specified by the alrf-1, alrf-2, alrf-6, mlr3 (slr50), qic-5010-dc and slr6 (slr24...

  • Page 55

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-7 6.4. Recording methods for alrf-1/alrf-2/alrf-6, information is recorded on the tape using the rz (return to zero) method where ea...

  • Page 56

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-8 tandberg slr reference manual 6.4.2. Data encoding; vr 2 (variable rate and randomization) rll rules vr 2 rll rules are used for the alrf-1 and alrf-6 tape form...

  • Page 57

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-9 1. Phase the phase metric is a decimal value with a range 0 to 127. The phase metric is initialized at the end of a preamble with ...

  • Page 58

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-10 tandberg slr reference manual 6.5. Rewriting of blocks 6.5.1. Rewrite mlr3 (slr50 / qic-5010-dc / slr6 (slr24) formats during write operations, the drive perfo...

  • Page 59

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-11 6.5.3. Rewrite alrf-2 format the rewrite algorithm for alrf-2 format is basically the same as for the alrf-1 format. A random alg...

  • Page 60

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-12 tandberg slr reference manual 6.8. Data append after a write underrun situation, or when the host wants to append data to a recorded cartridge, the drive will ...

  • Page 61

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-13 6.10. Media header the media header contains information about the tape. The media header consists of the four first frames at th...

  • Page 62

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-14 tandberg slr reference manual 6.11. Reference and servo tracks during read and write operations the tape format defines the different data- , servo- and refere...

  • Page 63

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ tandberg slr reference manual 6-15 6.12. Write data and filemarks the positions in which data or filemarks can be written will be explained in the following section...

  • Page 64

    Tandberg data track, tape format and encoding specification ___________________________________________________________________________ 6-16 tandberg slr reference manual this page intentionally left blank.

  • Page 65: Basic Operational Functions

    __________________________________________________________________________ tandberg slr reference manual 7-1 7. Basic operational functions 7.1. Overwriting previous data the qic-standards do not allow writing to the tape except when positioned as described in the two previous sections. The drive do...

  • Page 66

    Tandberg data basic operational functions ___________________________________________________________________________ 7-2 tandberg slr reference manual 7.3. Terminate write at physical end of tape during write data or write filemark, the tape may enter the physical end of tape. The write operations ...

  • Page 67

    Tandberg data basic operational functions ___________________________________________________________________________ tandberg slr reference manual 7-3 7.6. Read from beginning of tape if a read command is performed on a cartridge that has not been read or written after insertion or power-up, the dr...

  • Page 68

    Tandberg data basic operational functions ___________________________________________________________________________ 7-4 tandberg slr reference manual this page intentionally left blank.

  • Page 69: Hardware Interface

    __________________________________________________________________________ tandberg slr reference manual 8-1 8. Hardware interface 8.1. Power interface power for the drive is provided through a 4-pin connector. The connector type is amp 174804-1 or equivalent. The same type is used as power connecto...

  • Page 70

    Tandberg data hardware interface ___________________________________________________________________________ 8-2 tandberg slr reference manual 8.3. Electrical interface the drive interfaces to a host adapter according to the scsi-3 standard: • scsi-3 parallel interface 2 ( spi-2) ansi/incits 302-199...

  • Page 71

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-3 notes: the hyphen preceding a signal name indicates that the signal is active low. The conductor number refers to the conductor position when using 0.025-inc...

  • Page 72

    Tandberg data hardware interface ___________________________________________________________________________ 8-4 tandberg slr reference manual 8.3.2. Bus signals the control and data signals are listed below: signal name description bsy (busy) an “or-tied” signal which indicates that the bus is oc- ...

  • Page 73

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-5 8.3.3. Scsi interface timing # symbol description min. (ns) max. (ns) note output and input cycles 1 taaroh -ack (in) low to -req (out) high 50 2 taarol -ack...

  • Page 74

    Tandberg data hardware interface ___________________________________________________________________________ 8-6 tandberg slr reference manual # symbol description min. (ns) max. (ns) note output 1 tsasto -req (out) or -ack (out) assertion period 90 30 15 a b c 2 tsnego -req (out) or -ack (out) nega...

  • Page 75

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-7 8.3.4. Scsi termination the tandberg slr product line drives do not have internal termination. All of the signal lines shall be terminated at both ends using...

  • Page 76

    Tandberg data hardware interface ___________________________________________________________________________ 8-8 tandberg slr reference manual 8.4.2. Bus free phase the bus free phase, indicating that the bus is free for use, is invoked by all signal lines being deasserted. All devices must release ...

  • Page 77

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-9 8.4.4. Selection phase for single host systems, the selection phase can be entered after having detected the bus free phase. The initiator will assert its ow...

  • Page 78

    Tandberg data hardware interface ___________________________________________________________________________ 8-10 tandberg slr reference manual 8.4.5. Reselection phase disconnection is used by the target to let other devices use the scsi-bus during time consuming operations. The reselect option is ...

  • Page 79

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-11 8.4.6. Command phase the command phase follows directly after selection or identify message out. It allows the target to obtain command information from the...

  • Page 80

    Tandberg data hardware interface ___________________________________________________________________________ 8-12 tandberg slr reference manual 8.4.7. Data exchange phase the data exchange phase includes both the data out phase and the data in phase. In both cases the c/d and msg lines will be deass...

  • Page 81

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-13 the data in phase allows data to be transferred from the target to the initiator in the following way: the target asserts i/o. P for each byte, the tar- get...

  • Page 82

    Tandberg data hardware interface ___________________________________________________________________________ 8-14 tandberg slr reference manual 8.4.9. Message in phase the message in phase is used in three ways: the drive will gener- ate the message in phase by asserting the msg, c/d and i/o lines. ...

  • Page 83

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-15 8.4.10. Message out phase the message out phase is used in the following way: when an initiator signals that disconnection is allowed. P when an initiator h...

  • Page 84

    Tandberg data hardware interface ___________________________________________________________________________ 8-16 tandberg slr reference manual 8.5. Bus conditions the bus has two asynchronous conditions: - attention condition - reset condition these conditions cause certain bus device actions and c...

  • Page 85

    Tandberg data hardware interface ___________________________________________________________________________ tandberg slr reference manual 8-17 8.5.2. Reset condition the reset condition occurs when one of the devices on the scsi-bus asserts rst. It is used to immediately clear all devices from the ...

  • Page 86

    Tandberg data hardware interface ___________________________________________________________________________ 8-18 tandberg slr reference manual this page intentionally left blank.

  • Page 87: Software Interface

    __________________________________________________________________________ tandberg slr reference manual 9-1 9 . Software interface 9.1. General information the software interface description is contained in a separate manual available from our marketing department: • tandberg slr7, slr50, slr60, sl...

  • Page 88

    Tandberg data software interface ___________________________________________________________________________ 9-2 tandberg slr reference manual this page intentionally left blank.

  • Page 89: 10.

    __________________________________________________________________________ tandberg slr reference manual 10-1 10. Selftest and diagnostics 10.1. Selftest types the drive supports extensive selftest possibilities that will simplify the testing of the drive. Different types of selftest arrangements ar...

  • Page 90

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-2 tandberg slr reference manual 10.2. Power-on selftest the main objective for the power-on test is to exercise most of the drive’s functionality without requiring any cartridge to b...

  • Page 91

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-3 10.3. Jumper operated selfexerciser the main objective for the jumper operated selfexerciser is to test bare drives and to exercise the drive's functi...

  • Page 92

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-4 tandberg slr reference manual looping and failure stop-modes can also be controlled: • stop at failure mode. Sel2 is defined as ‘stop-at-failure’-mode. This means that the test seq...

  • Page 93

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-5 10.4. Diagnostic cartridge the main objective for the diagnostic cartridge test is to test the complete drive as comprehensive and fast as possible wh...

  • Page 94

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-6 tandberg slr reference manual 10.5. Standalone diagnostics the standalone diagnostic function is available from fw-revision 3.94 or later. Note: if your firmware revision is below ...

  • Page 95

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-7 test sequence the standalone diagnostics performs the same tests as the diagnostics cartridge test (see section 10.4 diagnostic cartridge above). When...

  • Page 96

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-8 tandberg slr reference manual 10.6. Scsi operated diagnostics the main objective for the scsi operated diagnostics test is to let the scsi host system initiate test whenever necess...

  • Page 97

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-9 10.6.3. User defined selftest sequence when the predefined test sequences supported with this command does not accomplish the test needs, a user defin...

  • Page 98

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-10 tandberg slr reference manual prerev the pre rewind bit (prerev) specifies whether or not a rewind shall be performed before the test is started: 0 : no rewind. 1 : rewind is perf...

  • Page 99

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-11 the diagnostic control blocks have the following structure byte bit7 6 5 4 3 2 1 0 00 diagnostic activity code 01 parameter length 02 … n diagnostic ...

  • Page 100

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-12 tandberg slr reference manual 10.6.4. Special purpose predefined selftest sequences in addition to predefined selftest sequence 1 and 2, a few special purpose predefined selftest ...

  • Page 101

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-13 10.7. Daci operated diagnostics the main objective for the daci operated diagnostics test is to let a daci host initiate test whenever necessary. The...

  • Page 102

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-14 tandberg slr reference manual 10.8. Test sequence details this section describes some of the test sequences in more detail. 10.8.1. Mainboard test this test tests the mainboard ha...

  • Page 103

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-15 • dram test . The dram is tested using the dpc fill & verify module. • data compression controller test . 8. Register test. 9. Compression/decompress...

  • Page 104

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-16 tandberg slr reference manual 10.8.3. Read/write test this test involves actual reading and writing on the tape. The tape is rewound back to bot before the test is started. The ta...

  • Page 105

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-17 slrtape60, slrtape75, slrtape100 and slrtape140 write/read on 2 partitions to cover head positioning, tape interface and all head elements. Note that...

  • Page 106

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-18 tandberg slr reference manual the pass criteria for the read/write test is as follows: medium type parameter pass criteria slrtape140 hard write errors none slrtape100 hard read e...

  • Page 107: …

    Tandberg data selftest and diagnostics ___________________________________________________________________________ tandberg slr reference manual 10-19 10.9. For advanced use the diagnostics firmware module has a sequencer to control the various user-defined test activities. The user has full availab...

  • Page 108

    Tandberg data selftest and diagnostics ___________________________________________________________________________ 10-20 tandberg slr reference manual this page intentionally left blank.

  • Page 109: 11.

    __________________________________________________________________________ tandberg slr reference manual 11-1 11. Preventive maintenance the only maintenance normally required is to clean the read/write head. It may be cleaned through the cartridge slot. Recommended equipment (see note) for head cle...

  • Page 110

    Tandberg data preventive maintenance ___________________________________________________________________________ 11-2 tandberg slr reference manual this page intentionally left blank.

  • Page 111: App. A.

    __________________________________________________________________________ tandberg slr reference manual a-1 app. A. Initialization and power-on selftest marker codes a unique initialization/test marker is defined for each component or part that is initialized or tested. A test marker equals its act...

  • Page 112

    Tandberg data appendix a - marker codes ___________________________________________________________________________ a-2 tandberg slr reference manual a.2. Power-on selftest codes before executing the selftest procedure, the marker corresponding to the selftest number (activity id) is sent. When the ...

  • Page 113: App. B.

    __________________________________________________________________________ tandberg slr reference manual b-1 app. B. Manual cartridge eject manual eject in case of accidental power-off or an error situation, the drive supports a system for manual cartridge removal. Manual eject of the cartridge is a...

  • Page 114

    Tandberg data appendix b - manual cartridge eject ___________________________________________________________________________ b-2 tandberg slr reference manual this page intentionally left blank.

  • Page 115: App. C.

    __________________________________________________________________________ tandberg slr reference manual c-1 app. C. Led-indicator behavior c.1. Led-behavior during normal operation drive state (note 1) ready (green led/left) activity (green led/center) fault (note 3) (amber led/right) led-test (2 s...

  • Page 116

    Tandberg data appendix c - led-indicator behavior ___________________________________________________________________________ c-2 tandberg slr reference manual c.2. Led-behavior during flash upgrade drive state (see note) ready (green led/left) activity (green led/center) fault (amber led/right) ecc...

  • Page 117

    __________________________________________________________________________ tandberg slr reference manual d-1 app. D. Cartridge positioning d.1. Cartridge positions during load, eject and reset • prior to load the cartridge will protrude 18 mm from the bezel front - load force max. 750 g • after ejec...

  • Page 118

    Tandberg data appendix d - cartridge positioning ___________________________________________________________________________ d-2 tandberg slr reference manual this page intentionally left blank.