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Product Manual
®
Momentus 5400.2 SATA
Removable Drive Cartridge
120GB
100425081
Rev. C
August 2007
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©2004-2007, Seagate Technology LLC All rights reserved. Publication number: 100425081, Rev. C August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus, Seagate- SeaBOARD, SeaFONE, SeaTDD, and SeaTools are either trademarks or registered trade- marks of Seagate Technology LLC or one of its affiliated companies in the United States and/ or other countries. All other trademarks or registere
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Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Removable Drive Cartridge specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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ii Momentus 5400.2 SATA Removable Drive Cartridge Product Manual, Rev. C
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List of Figures Figure 1. Momentus 5400.2 SATA Removable Drive Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Typical +5V only startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 3. Momentus 5400.2 SATA Removable Drive Cartridge dimensions . . . . . . . . . . . . . . . . . . . . . 15 Figure 4. Write protect switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the 120GB Seagate ® Momentus 5400.2 SATA Removable Drive Cartridge (RDC). These drives provide the following key features: 14 � Reliable--nonrecoverable read error rate of 1 in 10 bits read. � Rugged--can survive up to 1 M drop for all axes and each corner. � Removable drive cartridges for convenience and portability. � 5,400 RPM spindle speed. � 8 Mbyte buffer. � High instantaneous (burst) data-t
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1.1 About the Serial ATA interface The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary advantages include: � Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jump- ers or other configuration options. � Thinner and more flexible cabling for improved enclosure airflow and ease of installation. � Scalability to higher performance levels. In addition, Serial ATA makes the transition f
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2.0 Removable Drive Cartridge specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the words and phrases RDC, removable drive cartridge, drive, and this drive are used throughout this manual to indicate the 120GB Momentus 5400.2 SATA Removable Drive Cartridge (RDC). 2.1 Specification summary The specifications listed below are for quick reference. For details on specification measurement or definition, se
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Drive specification 120GB RDC (using ST9120821AS drive) Average seek, read (msec typical) 12.5 Average seek, write (msec typical) 14.5 Seek power (typical) 2.20 watts Read/write power (typical) Read: 1.90 watts; Write: 2.30 watts Idle mode, low power (typical) 0.80 watts Standby mode (typical) 0.28 watts** Sleep mode (typical) 0.28 watts** Voltage tolerance (including noise) +5.0V ± 5% Ambient temperature 5° to 55°C (operating), –40° to 70°C (nonoperating) Temperature gradient 20°C (operating)
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**Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes will not contribute to battery power consumption. 2.2 Formatted capacity Formatted capacity Guaranteed sectors Bytes per sector 120 Gbytes 234,441,648 512 2.2.1 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of guaranteed sectors as defined above. See Section 4.3.
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2.6 Physical characteristics Drive specification Height (mm) 24.50 +/-0.2 (inches) 0.965 +/-0.0078 Width (mm) 85.70 +/-0.3 (inches) 3.374 +/-0.0118 Length (mm) 112.28 +/-0.3 (inches) 4.420 +/-0.0118 Typical weight (grams) 172 (pounds) 0.379 2.7 Seek time Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications in the table below are defined as follows: � Track-to-track seek time is an average of all po
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• Spinup power Spinup power is measured from the time of power-on to the time that the drive spindle reaches operating speed. � Seek mode During seek mode, the read/write actuator arm moves toward a specific position on the disc surface and does not execute a read or write operation. Servo electronics are active. Seek mode power is measured based on three random seek operations every 100 msecs. This mode is not typical. � Read/write power and current Read/write power is measured with the heads
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Figure 2. Typical +5V only startup and operation current profile 2.9.2 Deferred spinup Momentus 5400.2 SATA drives provide a deferred spinup feature which storage subsystem controllers can use to sequence disc drive initialization. This is beneficial to systems which include multiple Serial ATA hard disc drives because it allows subsystem controllers to stagger the spinup of each drive to accommodate available power supply current. This feature does not impact time-to-ready in typical de
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2.9.3 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 15-ohm resistive load on the +5 volt line. Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz. Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current. 2.9.4 Voltage tolerance Voltage tolerance (including noise): 5V ± 5% 2.9.5 Power-management modes Th
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� Idle and Standby timers Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins counting down from its specified delay times to zero. If the standby timer reaches zero before any drive activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to Active mode when disc access is necessary. 2.10 Environmental specifications Note. The removable drive c
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2.10.4 Altitude Operating –304.8 m to 3,048 m (–1,000 ft to 10,000+ ft) Nonoperating –304.8 m to 12,192 m (–1,000 ft to 40,000+ ft) 2.11 Shock All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.11.0.1 Operating shock These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 250 Gs based on half-sine shock pulses
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2.12 Acoustics Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All mea- surements are consistent with ISO document 7779. Sound power measurements are taken under essentially free-field conditions over a reflecting plane. For all tests, the drive is oriented with the cover facing upward. For seek mode tests, the drive is placed in seek mode only. The number of seeks per second is defined by the following equation: (Number of seeks per second =
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2.14 Reliability Measurement type Specification 14 Nonrecoverable read errors 1 per 10 bits read, max. Annualized Failure Rate (AFR) 0.73% At 2000 Power-On Hours (POH), nominal power, 25°C ambient temperature. Max HDA case temperature: 65°C. Load/Unload (U/UL) 25°C, 50% relative humidity 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 32°C, 80% relative humidity 600,000 software-controlled power on/off cycles 5°C, 80% relative humidity 20,000 har
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Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products. These systems include standard operat- ing procedures that ensure that restricted substances are not utilized in our manufacturing operations, labora- tory analytical validation testing, and an internal auditing process to ensure that all standard operating procedures are complied with. 2.17 Corrosive environment Se
