Maxtor 91707U5, 91024U3, 90683U2 Pin Description Table, PIN Name Signal Name Signal Description

Page 34

AT INTERFACE DESCRIPTION

Pin Description Table

PIN NAME

PIN

I/O

SIGNAL NAME

SIGNAL DESCRIPTION

 

 

 

 

 

RESET -

01

I

Host Reset

Reset signal from the host system. Active during power up and inactive after.

 

 

 

 

 

DD0

17

I/O

Host Data Bus

16 bit bi-directional data bus between host and drive. Lower 8 bits used for register

 

 

 

 

and ECC byte transfers. All 16 bits used for data transfers.

DD1

15

I/O

 

 

 

 

 

 

 

DD2

13

I/O

 

 

 

 

 

 

 

DD3

11

I/O

 

 

 

 

 

 

 

DD4

09

I/O

 

 

 

 

 

 

 

DD5

07

I/O

 

 

 

 

 

 

 

DD6

05

I/O

 

 

 

 

 

 

 

DD7

03

I/O

 

 

 

 

 

 

 

DD8

04

I/O

 

 

 

 

 

 

 

DD9

06

I/O

 

 

DD10

08

I/O

 

 

 

 

 

 

 

DD11

10

I/O

 

 

 

 

 

 

 

DD12

12

I/O

 

 

 

 

 

 

 

DD13

14

I/O

 

 

 

 

 

 

 

DD14

16

I/O

 

 

 

 

 

 

 

DD15

18

I/O

 

 

 

 

 

 

 

DMARQ

21

O

DMA Request

This signal is used with DMACK for DMA transfers. By asserting this signal, the

 

 

 

 

drive indicates that data is ready to be transfered to and from the host.

DIOW -

23

I

Host I/O Write

Rising edge of Write strobe clocks data from the host data bus to a register on the

STOP

 

 

 

drive.

DIOR -

25

I

Host I/O Read

Read strobe enables data from a register on the drive onto the host data bus.

HDMARDY

 

 

 

DMA ready during UltraDMA data in bursts.

HSTROBE

 

 

 

Data strobe during UltraDMA data out bursts.

 

 

 

 

 

 

 

 

 

IORDY

27

O

I/O Channel Ready

This signal may be driven low by the drive to insert wait states into host I/O cycles.

DDMARDY

 

 

 

DMA ready during UltraDMA data out bursts.

-

 

 

 

Data strobe during UltraDMA data in bursts.

DSTROBE

 

 

 

 

CSEL

28

 

Cable Select

Used for Master/Slave selection via cable. Requires special cabling on host system

 

 

 

 

and installation of Cable Select jumper.

DMACK -

29

I

DMA Acknowledge

This signal is used with DMARQ for DMA transfers. By asserting this signal, the

 

 

 

 

host is acknowledging the receipt of data or is indicating that data is available.

INTRQ

31

O

Host Interrupt

Interrupt to the host asserted when the drive requires attention from the host.

 

 

 

Request

 

IOCS16

32

 

Device 16 bit I/O

Obsolete

 

 

 

 

 

PDIAG -

34

I/O

Passed Diagnostic

Output by drive when in Slave mode; Input to drive when in Master mode.

 

 

 

 

 

DA0

35

I

Host Address Bus

3 bit binary address from the host to select a register in the drive.

 

 

 

 

 

DA1

33

I

 

 

 

 

 

 

 

DA2

36

I

 

 

 

 

 

 

 

CS0 -

37

I

Host Chip Select 0

Chip select from the host used to access the Command Block registers in the drive.

 

 

 

 

This signal is a decode of I/O addresses 1F0 - 1F7 hex.

CS1 -

38

I

Host Chip Select 1

Chip select from the host used to access the Control registers in the drive. This

 

 

 

 

signal is a decode of I/O addresses 3F6 - 3F7 hex.

DASP -

39

I/O

Drive Active/Drive 1

Time-multiplexed, open collector output which indicates that a drive is active, or that

 

 

 

Present

device 1 is present.

GND

02

N/A

Ground

Signal ground.

 

 

 

 

 

 

19

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

26

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

KEY

20

N/A

Key

Pin used for keying the interface connector.

 

 

 

 

 

5 – 2

Page 33 Page 35
Image 34
Page 33 Page 35
Contents HA RD Drive Produc T MA Nual DiamondMax Plus REV EC no Section Description Date Before You Begin U T I O NContents Product Specifications Handling and InstallationAT Interface Description Host Software InterfaceService and Support Interface CommandsGlossary Figures Manual Organization IntroductionMaxtor Corporation AbbreviationsKey Words Signal ConventionsConventions NumberingDiamondMax Plus 6800 Key Features Product DescriptionProduct Features Functional / InterfaceDefect Management Zone DMZ On-the-Fly Hardware Error Correction Code ECCLogical Block Addressing Software ECC CorrectionBuffer Segmentation Read-Ahead ModeCache Management Automatic Write Reallocation AWRMajor HDA Components Cylinder Limitation Subsystem ConfigurationJumper Location/Configuration Dual Drive SupportPerformance Specifications Product SpecificationsDrive Configuration Models and CapacitiesPhysical Dimensions Parameter Standard MetricEPA Energy Star Compliance Power RequirementsPower Mode Definitions Environmental LimitsReliability Specifications Shock and VibrationRadiated Electromagnetic Field Emissions EMC Compliance Safety Regulatory ComplianceCanadian Emissions Statement Pre-formatted Drive Handling and InstallationHard Drive Handling Precautions Important NoticeUnpacking and Inspection Multi-pack Shipping ContainerRecommended Mounting Configuration Physical InstallationRepacking System Requirements Handling PrecautionsTools for Installation Drive Identification InformationGeneral Requirements Hard Drive IdentificationInstalling in a Device Bay Systems Using Cable SelectInstalling 5.25-inch Mounting Brackets and Rails Mounting Drive in SystemAttaching Interface and Power Cables Attaching System CablesSetting the Bios Cmos System SetupBios Cmos Parameters Hard Drive Preparation System Hangs During Boot Pin Description Summary Interface ConnectorAT Interface Description PINPIN Name Signal Name Signal Description Pin Description TableTiming Parameters Mode PIO TimingDMA Timing Mode MIN MAX Ultra DMA TimingSustained Ultra DMA Data In Burst Device Terminating an Ultra DMA Data In Burst Initiating an Ultra DMA Data Out Burst Device Pausing an Ultra DMA Data Out Burst Device Terminating an Ultra DMA Data Out Burst Host Software Interface Error RegisterFeatures Register Task File RegistersCylinder Number Registers Sector Count RegisterSector Number Register Device/Head RegisterCommand Register Timer Value TIME-OUT Period Command Name Command Code Parameters UsedSummary Device Control Register Control Diagnostic RegistersAlternate Status Register Digital Input RegisterReset Handling Reset and Interrupt HandlingInterrupt Handling Interface Commands Set Feature CommandsRead Sectors Read CommandsRead Verify Sectors Read DMA Read MultipleWrite Sectors Write CommandsSet Multiple Mode Write Verify SectorsWrite Multiple Write DMASet Features Mode Set Feature CommandsValue Description Power Mode Commands Sleep Mode Word Content Description Initialization CommandsIdentify Drive 15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Error Code Description Seek, Format and Diagnostic CommandsExecute Drive Diagnostic Format TrackA.R.T. Command Set Execute S.M.A.R.TNo Quibble Service Service and SupportService Policy SupportCustomer Service MaxFax ServiceInternet Access Time GlossaryCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media

91024U3, 92049U6, 90683U2, 91707U5, 92732U8 specifications

The Maxtor series of hard drives, specifically the models 91366U4, 92732U8, 91707U5, 90683U2, and 92049U6, exemplify the evolution of storage technology during the late 1990s and early 2000s, pivotal in shaping contemporary data storage solutions. These hard drives are recognized for their reliability, performance, and impressive capacities for their time.

The Maxtor 91366U4 features a storage capacity of 13.6 GB, delivering a spindle speed of 5,400 RPM. Its UATA interface allows for a fast data transfer rate, which was notable in its category. The model incorporates Advanced Power Management, contributing to lower power consumption and reduced heat generation, making it an appealing choice for system builders looking to enhance system longevity.

Moving on to the Maxtor 92732U8, this model increased capacity to 27.3 GB, aligning with the growing demand for more storage from users and businesses alike. This drive maintained a 5,400 RPM spindle speed while improving the access times, which aided in speeding up file retrieval processes. Noteworthy is its Plug and Play capability, which simplified installation and compatibility across various systems.

The Maxtor 91707U5 brought forward advancements in data integrity with the inclusion of features such as error correction codes. With a storage size of 17.3 GB and similar operational speeds, this model catered to users seeking reliable data management. Its robust build aimed to protect against accidents and environmental factors, ensuring data was safe while providing consistent performance.

The Maxtor 90683U2, with its 68.3 GB capacity, is particularly recognized for its reliability in desktop applications. The drive integrates a combination of Unidirectional Technology, driving advancements in read/write capabilities, and extensive shock protection, making it an ideal candidate for users with intensive data processing requirements.

Lastly, the Maxtor 92049U6 is known for its balanced blend of performance and functionality. Holding a capacity of 49.1 GB and retaining the sophisticated features of its predecessors, this model enabled faster data access and storage capabilities that met the needs of both home and professional users.

Together, these Maxtor hard drives embody the technological strides in the evolution of data storage—offering capacities and performances that set a standard in the industry and laid the groundwork for future storage solutions. The combination of innovative technologies and practical features made these drives highly sought after during their respective periods, and their legacy continues to influence modern data storage products.
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