Maxtor 88400D8, 86480D6 Sector Count Register, Sector Number Register, Cylinder Number Registers

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HOST SOFTWARE INTERFACE

Sector Count Register

Holds the number of sectors to be sent during a Read or Write command, and the number of sectors per track during a Format command. A value of zero in this register implies a transfer of 256 sectors. A multi- sector operation decrements the Sector Count register. If an error occurs during such an operation, this register contains the remaining number of sectors to be transferred.

Sector Number Register

Holds the starting sector number for any disk operation. The register is updated as each sector is processed in a multi-sector operation.

Cylinder Number Registers

Two 8-bit Cylinder Number registers (Low and High) specify the starting cylinder for disk operation.

Device/Head Register

Used to specify the drive and head number to be operated on during any disk operations. Within the context of a Set Parameters command, this register specifies the maximum number of heads on the drive. Bit definitions follow:

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

1

LBA

1

DRV

HS3

HS2

HS1

HS0

 

 

 

 

 

 

 

 

 

 

 

 

Drive

Head

Head

Head

 

Mode

 

Select

Select

Select

Select

Select

 

 

 

 

 

 

 

 

Select LBA Mode – Enabling this bit for commands not supported by LBA mode will abort the selected command. When set, the Task File register contents are defined as follows for the Read/Write and translate command:

CONTENTS

LBA BITS

Sector Number

0

- 7

Cylinder Low

8 - 15

Cylinder High

16

- 23

Drive/Head

24

- 27

Drive Select – Set to 0 to select the master drive; set to 1 to select the slave drive.

Head Select – Specifies the binary coded address of the head to be selected.

Status Register

Contains results of the last command executed, and the drive’s status. The other seven Task File registers may be read only when bit 7 (BUSY) of the Status register is low. Reading any of the Task File registers when BUSY is high returns the value of the Status register. Reading the Status register also clears any interrupt request to the host. Bit definitions follow:

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

BUSY

DRDY

DF

DSC

DRQ

0

0

ERR

 

 

 

 

 

 

 

 

Controller

Device

Device

Device Seek

Data

 

 

Error

Busy

Ready

Fault

Complete

Request

 

 

 

 

 

 

 

 

 

 

 

Controller Busy – Goes active when a command is written to the Command register, indicating controller task execution. After a command, this bit resets.

Device Ready – Indicates that the drive is ready for commands. If drive ready is not present, all commands abort. Device Fault – Indicates the drive’s detection of a write fault condition, causing all commands to abort.

Device Seek Complete – Signifies a seek completion, and that the drive is on track.

Data Request – Indicates that the drive’s sector buffer is ready for data transfer.

Error – The Error bit sets when the previous command has completed with a non-recoverable error.

6 – 2

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Contents DiamondMax REV EC no Section Description Date U T I O N Before You BeginContents Handling and Installation Product SpecificationsAT Interface Description Host Software Interface Service and Support Interface CommandsGlossary Figures Abbreviations IntroductionMaxtor Corporation Manual OrganizationNumbering Signal ConventionsConventions Key WordsProduct Description DiamondMax 2160 Key FeaturesFunctional / Interface Product FeaturesSoftware ECC Correction On-the-Fly Hardware Error Correction Code ECCLogical Block Addressing Defect Management Zone DMZAutomatic Write Reallocation AWR Read-Ahead ModeCache Management Buffer SegmentationMajor HDA Components Dual Drive Support Subsystem ConfigurationJumper Location/Configuration Cylinder LimitationModels and Capacities Product SpecificationsDrive Configuration Performance SpecificationsOutline and Mounting Dimensions Physical DimensionsParameter Standard Metric Environmental Limits Power Requirements AveragePower Mode Definitions EPA Energy Star ComplianceShock and Vibration Reliability SpecificationsStandard Test Methods Safety Regulatory ComplianceImportant Notice Handling and InstallationHard Drive Handling Precautions Pre-formatted DriveMulti-pack Shipping Container Unpacking and InspectionRecommended Mounting Configuration Physical InstallationRepacking Master Device Slave Device Drive Jumper SettingsInstalling 5.25-inch Mounting Brackets Mounting Drive in SystemMounting Drive in 5.25-inch Bay Inch InstallationMounting Drive in 3.5-inch Bay IDE Interface and Power Cabling Detail Attaching IDE Interface and Power CablesSystem Interface Card Cabling Attaching System CablesSystem Mother board Cabling Setting the Bios Cmos System SetupSet the Bios Cmos parameters as follows Model CYL SPT System Hangs During BootSystem/Drive Information Hard Drive PreparationPin Description Summary Interface ConnectorData Connector AT Interface DescriptionPin Description Table PIN Name Signal Name Signal DescriptionPIO Data Transfer To/From Device PIO TimingMulti-word DMA Data Transfer DMA TimingInitiating an Ultra DMA Data In Burst Ultra DMA TimingSustained Ultra DMA Data In Burst Host Pausing an Ultra DMA Data In BurstHost Terminating an Ultra DMA Data In Burst Device Terminating an Ultra DMA Data In BurstSustained Ultra DMA Data Out Burst Initiating an Ultra DMA Data Out BurstHost Terminating an Ultra DMA Data Out Burst Device Pausing an Ultra DMA Data Out BurstDevice Terminating an Ultra DMA Data Out Burst Task File Registers Error RegisterFeatures Register Host Software InterfaceDevice/Head Register Sector Count RegisterSector Number Register Cylinder Number RegistersCommand Register SDH Command Name Command Code Parameters UsedTimer Value TIME-OUT Period SummaryDigital Input Register Control Diagnostic RegistersAlternate Status Register Device Control RegisterReset Handling Reset and Interrupt HandlingInterrupt Handling Set Feature Commands Interface CommandsRead Sectors Read CommandsRead Verify Sectors Read Multiple Read DMAWrite Verify Sectors Write CommandsSet Multiple Mode Write SectorsWrite DMA Write MultipleSet Features Mode Set Feature CommandsValue Description Power Mode Commands Timer Value TIME-OUT Period Word Content Description Initialization CommandsIdentify Drive Word Content Description = Write Cache enabled Initialize Drive Parameters Format Track Seek, Format and Diagnostic CommandsExecute Drive Diagnostic Error Code DescriptionExecute S.M.A.R.T A.R.T. Command SetSupport Service and SupportService Policy No Quibble ServiceInternet MaxFax ServiceBulletin Board Service Customer Service

82160D2, 84320D4, 2160, 83240D3, 86480D6 specifications

Maxtor, known for its innovative storage solutions, produced several pivotal hard drive models during the late 1990s and early 2000s, namely the Maxtor 88400D8, 86480D6, 83240D3, 2160, and 84320D4. Each of these drives showcased unique features and technologies that catered to various computing needs.

The Maxtor 88400D8 stood out with its impressive storage capacity of 8.4 GB, which was considerable at the time. It employed the IDE interface, ensuring broad compatibility with most personal computers. The drive utilized a 5400 RPM spindle speed, optimizing data transfer rates for everyday applications. With a 2 MB cache, it facilitated smoother data retrieval, making it a reliable choice for both home and office use. This model exemplified Maxtor's commitment to enhancing user experience through advanced technologies.

Another noteworthy model, the Maxtor 86480D6, offered an 8.6 GB storage capacity, predicated on similar design principles as the 88400D8. It also featured a 5400 RPM spindle speed and an IDE interface. Its greater data density further improved performance, reducing the time required for searching and accessing large volumes of information. The 86480D6 was particularly favored by users with intensive storage needs, such as graphic designers and multimedia creators.

The Maxtor 83240D3, with a storage capacity of 3.2 GB, catered to users seeking a balance between performance and size. This drive also operated at 5400 RPM and featured an IDE interface. Its compact size made it an attractive option for entry-level systems and budget-conscious consumers who needed dependable storage without excessive capacity.

The Maxtor 2160 and 84320D4 models further diversified the line with distinct features suitable for different user segments. The 2160 offered 2.1 GB of storage, appealing particularly to users of basic office applications. In contrast, the 84320D4 provided 4.3 GB of space, marking a mid-range option for users requiring additional capacity without leapfrogging into high-end solutions.

All these Maxtor models incorporated technologies enhancing reliability and performance, such as Advanced Format technology, which optimized data organization, ensuring efficient use of storage space. These drives also showcased an emphasis on low power consumption, which aligned with growing concerns over energy efficiency in computing.

In summary, the Maxtor 88400D8, 86480D6, 83240D3, 2160, and 84320D4 were crucial entries in the hard drive market, bringing forth features that addressed the diverse needs of users, from casual consumers to professionals demanding superior performance. Their legacy continues to influence hard drive design and performance standards in contemporary storage solutions.
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