SPECIF IC ATIONS

Quantum Bigfoot

1.2

2.1

2.5

Form Factor

5.25 inch (Ultra Slim-Line)

 

Interface

Fast ATA-2

 

 

 

40-pin dual in-line

 

Formatted Capacity (MB1)

1,286

2,110

2,577

Disk Drive Configuration

 

 

 

Disks

1

2

2

Heads/Recording Surfaces

2

4

4

Tracks per Surface

5,738

 

 

Sectors per Track

149 to 276

 

 

Bytes per Sector

512

 

 

Track Density (tpi)

4,298

 

 

Max. Flux Density (fci)

113,922

 

 

Max. Recording Density (bpi)

107,221

 

 

Encoding/Detection Method

16/17 PRML

 

 

Performance Specifications

 

 

 

Typical Seek Times2 (ms)

 

 

 

Average (read)

15.5

 

 

Track-to-Track

3.5

 

 

Full Stroke

30.0

 

 

Average Rotational Latency (ms)

8.33

 

 

Rotational Speed (RPM)

3,600

 

 

Internal Data Rate (Mb/sec)

48 to 84

 

 

Data Transfer Rates (MB/sec)

 

 

 

PIO Mode 4

16.6

 

 

DMA Mode 2

16.6

 

 

Buffer Size3 (KB)

128

 

 

Typical Power On to Drive Ready (sec)

11.5

 

 

Reliability Specifications

 

 

 

Projected Field MTBF (hours)

300,000

 

 

Start/Stop Cycles (controlled)

20,000 with dynamic braking

Preventive Maintenance

Not required

 

 

Nonrecoverable Data Errors (per bits read)

<10 per 1015

 

 

Error-Correction Method

160-bit Reed Solomon

 

Warranty4 (years)

3

 

 

Physical Specifications

Dimensions—inches (mm)

 

 

 

 

 

 

Width

5.75

(146.05)

5.75

(146.05)

5.75

(146.05)

Length

8.0 (203.2)

8.0 (203.2)

8.0 (203.2)

Height

0.75

(19.05)

0.75

(19.05)

0.75

(19.05)

Weight—pounds (kg)

1.55 (0.711)

1.64 (0.752)

1.64 (0.752)

Environmental Limits

Operating

 

Temperature (°C)

0 to 55

Non-Condensing Humidity (%)

5 to 85

Maximum Wet Bulb (°C)

29

Shock (G, 11ms)

10

Vibration (G, 5 to 200 Hz,

 

peak-to-peak)

1

Altitude (ft.)

-650 to 10,000

Non-Operating

 

Temperature (°C)

-40 to 75

Non-Condensing Humidity (%)

5 to 95

Maximum Wet Bulb (°C)

46

Shock (G, 11ms)

70

Vibration (G, 5 to 300 Hz,

 

peak-to-peak)

2

Altitude (ft.)

-650 to 40,000

Idle Sound (typ)

 

Pressure (dBA)

34

Power (bels)

3.9

Power Specifications

Nominal Voltage (V)

+5/+12

 

 

Voltage Margin (%)

±5/±10

 

 

Typical Power Draw (W)

 

 

 

Read/Write

5.0

5.5

5.5

Standby/Sleep

1.0

1.0

1.0

Idle

4.0

4.5

4.5

Operating5

6.5

7.0

7.0

Peak Current (mA on +5/+12)

425/1400

 

 

1Quantum defines a megabyte (MB) as 106 or 1,000,000 bytes.

2Seek times are at nominal environmental conditions and include settling.

3Up to 41KB used for firmware.

4This warranty is standard when products are purchased directly through authorized Quantum distributors/dealers. Unless otherwise agreed, a one-year warranty is provided to all OEMs purchasing directly from Quantum. End-user warranties provided by computer manufacturers may vary.

5Operating is defined as 40% seeking, 30% reading, 10% writing, and 20% idle.

For More Information

For more information about Quantum's quality products, call toll-free: 1-800-624-5545 in the U.S.A. and Canada, or visit our World Wide Web site: http://www.quantum.com

Quantum Corporation

Quantum Asia-Pacific Pte Ltd.

500 McCarthy Boulevard

9 Temasek Boulevard #24-00

Milpitas, California 95035 U.S.A.

Suntec Tower 2

1-800-624-5545

Singapore 038989

http://www.quantum.com

65 334 0880

European Headquarters

Quantum Peripherals Japan

Quantum Peripheral Products S.A.

Shinjuku Square Tower 4F

ICC-Building D

6-22-1 Nishi-Shinjuku

Route de Pre-Bois 20

Shinjuku-ku, Tokyo, 163-11 Japan

1215 Geneva Airport, Switzerland

813 5321 7900

41 22 929 9111

 

 

 

Specifications subject to change without notice.

© 1996 Quantum Corporation. All rights reserved. Quantum, the Quantum logo, DisCache, WriteCache, and Defect Free Interface are trademarks of Quantum Corporation registered in the U.S.A. and other countries. Capacity for the Extraordinary, Quantum Bigfoot, AutoTransfer, AutoRead, AutoWrite, AT-Bus Cable Select, and Diskware are trademarks of Quantum Corporation. Products mentioned herein are for identification purposes only and may be trademarks or registered trademarks of their respective companies.

Printed in the U.S.A. 52.5k DF/CRFTSMN bfnw0996

Page 2
Image 2
Quantum 1.2AT Disk Drive Configuration, Performance Specifications, Reliability Specifications, Physical Specifications

1.2AT, 2.1AT, 2.5AT specifications

The Quantum 2.5AT, 2.1AT, and 1.2AT represent a series of advanced powertrains designed to enhance performance and fuel efficiency across various automotive applications. Each variant offers distinct features, technologies, and characteristics tailored to meet the evolving demands of drivers and the automotive industry.

The Quantum 2.5AT stands out with its larger displacement engine, delivering robust power and exceptional torque characteristics. This model leverages advanced variable valve timing technology, which optimizes engine performance across different RPM ranges. Additionally, the 2.5AT incorporates a sophisticated multi-point fuel injection system that ensures precise fuel delivery, enhancing combustion efficiency and reducing emissions. Its dual-overhead cam (DOHC) design contributes to improved airflow, resulting in better overall engine performance. The 2.5AT also integrates an automatic transmission with adaptive learning capabilities, allowing the vehicle to adjust shifting patterns based on driving habits, further refining the driving experience.

In contrast, the Quantum 2.1AT offers a balanced blend of power and efficiency. This model is engineered to deliver commendable performance while prioritizing fuel economy. With a slightly smaller displacement, the 2.1AT utilizes turbocharging technology to maximize output without compromising efficiency. The intelligent turbocharger enhances torque at lower RPMs, providing responsive acceleration in city driving conditions. Additionally, the 2.1AT features a continuously variable transmission (CVT), which optimizes engine performance by allowing seamless transitions between gear ratios, resulting in smoother driving experiences and improved fuel consumption rates.

Lastly, the Quantum 1.2AT represents a compact and efficient option for urban drivers. This model is designed with a focus on lightweight construction and aerodynamics, making it an ideal choice for city dwellers seeking economical transportation. The 1.2AT is equipped with a direct injection engine that enhances fuel atomization and combustion, leading to lower fuel consumption and reduced emissions. Furthermore, the 1.2AT incorporates regenerative braking technology, capturing energy typically lost during braking and utilizing it to recharge the vehicle's electrical system, thus further improving efficiency.

In summary, the Quantum 2.5AT, 2.1AT, and 1.2AT each bring unique features, technologies, and characteristics to the table. Whether prioritizing power, balancing performance with efficiency, or focusing on compact urban mobility, these powertrain options demonstrate the advancements in automotive engineering aimed at enhancing the driving experience while addressing environmental concerns.