Seagate MOMENTUS 42 User Manual
Momentus 42
Harness the power of experience, commitment and innovation
from the industry’s only independent supplier of notebook drives
The Best of Momentus
—High Reliability and
Quiet Acoustics—With
4200-RPM-Class
Performance
40 and 20 Gbytes • 4200 RPM • 2.5-Inch Notebook
Key Advantages
• 4200-RPM-class performance powers common home and office applications with ease
• Inaudible acoustics provided by proven Seagate®SoftSonic™FDB motor and QuietStep™ramp load technology
• Robust design and 225-G operational shock tolerance to withstand today’s rugged notebook operating environment
• Available from the industry’s only independent supplier of notebook disc drives
Best-Fit Applications
• Notebook computers
• External storage
• Digital audio
• Tablet PCs
Momentus 42
Harness the power of experience, commitment and innovation
from the industry’s only independent supplier of notebook drives
The Seagate 3D Defense System—
No One Does More to Protect Your Drives
DRIVE DEFENSE
• QuietStep ramp load technology provides additional
protection against shock while delivering whisper-quiet
load/unload acoustics.
• G-Force Protection guards the drive against nonoperating shock and prevents damage to the motor, heads,
head-arm, clamp and discs during shipping, handling
and daily operation.
DATA DEFENSE
• ECC (error-correction code) performs fast on-the-fly
data validation and error checking for reliable data
storage and retrieval.
• Safe Sparing ensures data is not compromised by
reserving spare sectors on a drive and substituting
them if defects are detected in other sectors.
• CBDS (continuous background defect scanning)
proactively identifies and eliminates defects.
DIAGNOSTIC DEFENSE
• SeaTools™Suite diagnostic software is designed to
reduce drive returns, decrease drive repair costs
and protect data.
• Web-based tools enable users to identify and solve
common system-related issues.
• Enhanced S.M.A.R.T. (Self-Monitoring, Analysis and
Reporting Technology) predicts and prevents problems
transparently before they affect the end user.
• NDST (Enhanced Drive Self-Test) reduces
diagnostic time.
World-Class Technical Support
• Certified, experienced support staff
• Rated “Above Average to Excellent” by 95 percent
of our customers
• Support lines with the shortest wait times in
the industry
• Individually archived case histories for quick reference
• Web-based Q&A forum and autoreply e-mail
• Seagate Design Service Centers (DSC) help companies
transform innovative ideas into viable products.
www.seagate.com
1-800-732-4283 (1-800-SEAGATE)
Specifications
Model Number
Interface (Mbytes/sec)
Performance
Transfer Rate
Maximum Internal (Mbytes/sec)
Maximum External (Mbytes/sec)
Sustained Transfer Rate (Mbytes/sec)
Cache, Multisegmented (Mbytes)
Average Seek (msec)
Average Latency (msec)
Performance Level
Configuration/Organization
Discs/Heads
Bytes per Sector
Logical CHS
Recording Method
Reliability/Data integrity
Head-Rest Method
3D Defense System
Nonrecoverable Read Errors per Bits Read
Power Management
+5 VDC ±5% (amps max)
Power Management (watts) Seek
Environmental
Temperature, Operating (°C)
Temperature, Nonoperating (°C)
Shock, Operating: 2 msec (Gs)
Shock, Nonoperating: 1 and 2 msec (Gs)
Acoustics
Idle (bels—sound power)
Quiet Seek (bels—sound power)
Performance Seek (bels—sound power)
Physical
Height (in/mm)
Width (in/mm)
Depth (in/mm)
Weight (lb/g)
1
Capacity calculated as 1 Gbyte = 109bytes
2
Actual spin speed is 5400 RPM
EUROPE, MIDDLE EAST AND AFRICA Seagate Technology SAS 130-136, rue de Silly, 92773 Boulogne-Billancourt Cedex, France, 33 1-41 86 10 00
© 2004 Seagate Technology LLC. All rights reserved. Printed in USA. Seagate and Seagate Technology are registered trademarks of Seagate Technology LLC. Momentus,
QuietStep, SeaShell, SoftSonic, the Wave logo and 3D Defense System are trademarks of Seagate Technology LLC. Other product names are registered trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications. Publication Number: 1564-001, February 2004
2
™
Read/Write
Low Power Idle/Standby
AMERICAS Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066, United States, 831-438-6550
ASIA/PACIFIC Seagate Technology International Ltd. 151 Lorong Chuan, New Tech Park #06-01, Singapore 556741, 65-6488-7200
40 GB
ST94019A
Ultra ATA/100
48.25
100
33.0
2
12.0
5.6
4,200
1/2
512
16,383/16/63
RLL 0,11
QuietStep ramp load
Yes
1 per 1014bits read
1.2
2.4
2.4
.97/.36
5 to 55
–40 to 65
225
800
2.3
2.5
3.0
.374/9.5
2.75/69.85
3.945/100.2
.218/99
1
20 GB
ST92014A
Ultra ATA/100
48.25
100
33.0
2
12.0
5.6
4,200
1/1
512
16,383/16/63
RLL 0,11
QuietStep ramp load
Yes
1 per 1014bits read
1.2
2.4
2.4
.97/.36
5 to 55
–40 to 65
225
800
2.3
2.5
3.0
.374/9.5
2.75/69.85
3.945/100.2
.218/99
1
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