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Maxtor 83240D3, 86480D6, 88400D8 Pin Description Table, PIN Name Signal Name Signal Description

Models: 82160D2 84320D4 2160 83240D3 86480D6 88400D8

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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

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Maxtor 83240D3, 86480D6, 88400D8, 84320D4, 82160D2 Pin Description Table, PIN Name Signal Name Signal Description
Page 32 Page 34

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.