Seagate STT8000A manual Mode Tape Parameters

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ATAPI InterfaceChapter 5

Mode Tape Parameters Page

Byte

Description

Value

Meaning

 

 

 

 

0

Page Code

2Bh

Tape Parameters Page

 

 

 

 

1

Page Length

0Eh

14 Bytes of Information

 

 

 

 

2

Density in Kilo bits per inch

NN

Density can imply tape format

 

 

 

 

3

Reserved

00h

 

 

 

 

4

Reserved (Format Fill Byte)

00h

Not used, MFM mode is read only

 

 

 

 

5

BSEG

20h

Number of Blocks per Segment (32)

 

 

 

 

6,7

SEGTRK

NNNN

Number of Segments per Track

 

 

 

 

8,9

TRKS

NN

Number of Tracks (per Tape)

 

 

 

 

10

MAXSECT

80h

Max MFM Sector Value (128)

 

 

 

 

11

MAXCYL

NN

Max MFM Cylinder Value

 

 

 

 

12

MAXHD

NN

Max MFM Head Value

 

 

 

 

13,14

Reserved

0000h

 

 

 

 

15

WDAM,RM,FW (bits 7-5)

00h

Not Used, MFM mode is read only

 

 

 

 

This page is used for MFM (Modified Frequency Modulation), or floppy interface tape formats, such as 2080, 2120, TR1, TR2, TR3, etc. The STT8000A supports the reading of MFM tapes, but does not support write or format operations on MFM tapes.

The following fields are changeable: SEGTRK, TRKS, MAXCYL, and MAXHD.

STT8000A Product Manual

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Image 59
Contents STT8000A Atapi Minicartridge Drive Product Manual Page FCC Notice Important Information About This Manual Table of Contents Atapi interface Tape format Glossary Acronyms and measurements Drive overview IntroductionSTT8000A internal drive without mounting brackets Features Minicartridge technology overview Typical system configurationsReferences Flash EepromSoftware Chapter Title Description About this manualOverview SpecificationsPhysical specifications STT8000A 3.5-Inch mount general dimensions Specification Measurement Power specificationsFeature Specification Performance specificationsEnvironmental requirements Specification Operational Non-operationalMean-Time-To-Repair ReliabilityMean-Time-Between Failures Tape capacities and formats Recommended tapesTUV & IEC-RHEINLAND Regulatory complianceHandling guidelines InstallationIntroduction Before you beginJumper block and jumper settings Setting jumpersAligning the drive in the computer Installing the driveMounting dimensions Mounting holes on internal drive without mounting brackets Pin Assignment Description Source ATA-2 Interface pin assignmentsREQ Chapter Installation Front panel LED Drive operation and maintenanceLoading and unloading cartridges Using Travan cartridgesTravan cartridge write-protect switch-locked position Setting the write-protect switchLoading revised firmware via Seagate firmware cartridge Caring for the drive Care and maintenance of the drive and cartridgesCaring for tape cartridges Capstan Tape Head Troubleshooting Chapter ATA-2 Interface ATA-2 SignalsAtapi interface Abrt ATA registersBits Mnemonic Description Previous Cmd Int Reason Supported ATA CommandsFeature Number Set Feature Commands Atapi Identify Device A1h Atapi Packet Command A0h DSC Atapi interfaceErase command Bit Byte Inquiry commandLoad/Unload command Locate command Log Select command Log Sense command Following table presents the Error Counter Page layout Error Counter Page ReadFollowing table presents the Tape Capacity Page layout Tape Capacity Page CodeMode Select command Code Description Mode Sense commandMode Block Descriptor Mode Parameter HeaderMode Capabilities and Mechanical Status Mode Medium PartitionMode Tape Parameters Read command Following table describes the Read Position layout Read Position commandChapter Atapi Interface Request Sense command Following table describes the Request Sense layout Rewind command Space command Test Unit Ready command Write command Write Filemark command Write Buffer download microcode command Track positions Tape formatTape partitioning Frames Track numberingTrack format General track layout Blocks Tape reference servo patternRandomization Write equalizationChapter Tape format Theory of operations Block diagramChassis Capstan drive motor assemblyMechanics Cartridge load mechanismHead design Sensors and switchesControl circuits Travan minicartridge Media-Travan minicartridgesGlossary Appendix a Glossary Glossary Appendix a Glossary Acronyms and abbreviations Acronyms and measurementsLSI Measure Meaning Units of measurementAppendix B Acronyms and Measurements