Seagate STT8000A manual Mode Medium Partition, Mode Capabilities and Mechanical Status

Page 58

Chapter 5

ATAPI Interface

Mode Medium Partition Page

The following table describes the Mode Medium Partition Page layout.

Byte

Description

Value

Meaning

 

 

 

 

0

Page Code

11h

Medium Partition Page

 

 

 

 

1

Page Length

06h

6 Bytes of Information

 

 

 

 

2,3

Maximum Additional Partitions,

00h,00h

Not Supported

 

Additional Partitions Defined

 

 

 

 

 

 

4

FDP (bit 7), reserved

80h

Fixed Data Partitions

 

 

 

 

5

Medium Format Recognition

03h

Format and Partition Recognition

 

 

 

 

6,7

Reserved

00h,00h

 

 

 

 

None of the Medium Partition Page (11h) parameters can be changed.

Mode Capabilities and Mechanical Status Page

The following table describes the Mode Capabilities and Mechanical Status Pages

.Byte

Description

Value

Meaning

 

 

 

 

0

Page Code

2Ah

Capabilities and Mechanical Status Page

 

 

 

 

1

Page Length

12h

18 Bytes of Information

 

 

 

 

2,3

Reserved

00h,00h

 

 

 

 

4

SPREV (bit 5), RO (bit 0)

20h

Space Reverse supported, bit 0 = Write

 

 

 

Protect status

 

 

 

 

5

QFA (bit 5)

20h

QFA supported

 

 

 

 

6

ECC (bit 6)

40h

ECC supported

 

 

 

 

7

BLK1024 (bit 1), BLK512 (bit 0)

03h

512 byte blocks (1024 if floppy tape)

 

 

 

 

8,9

Maximum Speed Supported

600.

1,000 Kbytes/sec Maximum

 

(Kbytes per second)

 

 

 

 

 

 

10,11

Maximum Stored Defect List

0000h

 

Entries

 

 

 

 

 

 

12,13

Continuous Transfer Limit (blocks)

0034h

52 blocks per Read/Write command

 

 

 

 

14,15

Current Speed Selected (Kbytes

NNNN

Current transfer rate

 

per second)

 

 

 

 

 

 

16,17

Buffer Size (in 512 bytes)

02D8h

14 frames of 52 blocks = 728

 

 

 

 

18-19

Reserved

00h

 

 

 

 

None of the Mode Capabilities and Mechanical Status Page (2Ah) parameters can be changed.

Page 50

STT8000A Product Manual

Image 58
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 Introduction Drive overviewSTT8000A internal drive without mounting brackets Features Typical system configurations Minicartridge technology overviewSoftware Flash EepromReferences About this manual Chapter Title DescriptionPhysical specifications SpecificationsOverview STT8000A 3.5-Inch mount general dimensions Power specifications Specification MeasurementPerformance specifications Feature SpecificationSpecification Operational Non-operational Environmental requirementsMean-Time-Between Failures ReliabilityMean-Time-To-Repair Recommended tapes Tape capacities and formatsRegulatory compliance TUV & IEC-RHEINLANDBefore you begin InstallationIntroduction Handling guidelinesSetting jumpers Jumper block and jumper settingsInstalling the drive Aligning the drive in the computerMounting dimensions Mounting holes on internal drive without mounting brackets ATA-2 Interface pin assignments Pin Assignment Description SourceREQ Chapter Installation Drive operation and maintenance Front panel LEDUsing Travan cartridges Loading and unloading cartridgesSetting the write-protect switch Travan cartridge write-protect switch-locked positionLoading revised firmware via Seagate firmware cartridge Caring for tape cartridges Care and maintenance of the drive and cartridgesCaring for the drive Capstan Tape Head Troubleshooting Chapter Atapi interface ATA-2 SignalsATA-2 Interface ATA registers AbrtBits Mnemonic Description Supported ATA Commands Previous Cmd Int ReasonFeature Number Set Feature Commands Atapi Identify Device A1h Atapi Packet Command A0h Atapi interface DSCErase command Inquiry command Bit ByteLoad/Unload command Locate command Log Select command Log Sense command Error Counter Page Read Following table presents the Error Counter Page layoutTape Capacity Page Code Following table presents the Tape Capacity Page layoutMode Select command Mode Sense command Code DescriptionMode Parameter Header Mode Block DescriptorMode Medium Partition Mode Capabilities and Mechanical StatusMode Tape Parameters Read command Read Position command Following table describes the Read Position layoutChapter 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 Tape partitioning Tape formatTrack positions Track format Track numberingFrames General track layout Tape reference servo pattern BlocksWrite equalization RandomizationChapter Tape format Block diagram Theory of operationsCartridge load mechanism Capstan drive motor assemblyMechanics ChassisControl circuits Sensors and switchesHead design Media-Travan minicartridges Travan minicartridgeGlossary Appendix a Glossary Glossary Appendix a Glossary Acronyms and measurements Acronyms and abbreviationsLSI Units of measurement Measure MeaningAppendix B Acronyms and Measurements