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IBM
- page 38
Models:
C1B 1.12 Brick On Sled Carrier 128-pin HPC
C1C 1.12 3.5-inch Small FF 38-pin Unitized
C2B 2.25 Brick On Sled carrier 128-pin HPC
C4B 4.51 Brick On Sled carrier 128-pin HPC
C4C 4.51 3.5-inch Small FF 38-pin Unitized
SSA
1
38
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88
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88 pages, 1.25 Mb
USER
RESPONSIBLE FOR
VERIFYING
VERSION AND COMPLETENESS
OEM FUNCTIONAL
SPECIFICATION
ULTRASTAR XP (DFHC) SSA
MODELS
1.12/2.25 GB
-
1.0"
HIGH
Source
filename=PERFORM
IBM Corporation
Page 38 of 87
Contents
Main
Page
Preface
Page
Contents
Page
Page
Page
1.0 Description
1.1 Features
1.1.1 General Features
1.1.2 Performance Summary
1.1.3 Interface Controller Features
1.2 Models
2.0 Specifications
2.1 General
Page
2.1.1 Capacity Equations
2.1.1.1 For Each Notch
2.1.1.2 For Entire Drive
2.2 Power Requirements by Model
2.2.1 C1x Models
2.2.1.1 Power Calculation Examples
Page
Page
Page
Page
2.2.2 C2x Models
2.2.2.1 Power Calculation Examples
Page
Page
Page
Page
2.2.3 C4x Models
2.2.3.1 Power Calculation Examples
Page
Page
Page
Page
2.2.4 CxB Models
2.2.4.1 Power supply methods
2.2.4.2 DC/DC Converter
2.2.5 Power Supply Ripple
2.2.6 Grounding Requirements of the Disk Enclosure
2.2.7 Hot plug/unplug support
Page
2.2.8 Bring-up Sequence (and Stop) Times
Page
Page
3.0 Performance
3.1 Environment Definition
3.2 Workload Definition
3.2.1 Sequential
3.2.2 Random
3.3 Command Execution Time
3.3.1 Basic Component Descriptions
Page
3.3.2 Comments
3.3.2.1 Theoretical Data Sector Transfer Rate
3.4 Approximating Performance for Different Environments
3.4.1 For Different Transfer Sizes
3.4.2 When Read Caching is Enabled
3.4.3 When Write Caching is Enabled
3.4.4 When Adaptive Caching is Enabled
3.4.5 When Read-ahead is Enabled
3.4.6 When No Seek is Required
3.4.7 For Queued Commands
3.4.7.1 Reordered Commands
3.4.7.2 Back-To-Back Commands
3.4.8 Out of Order Transfers
3.5 Skew
3.5.1 Cylinder to Cylinder Skew
3.5.2 Track to Track Skew
3.6 Idle Time Functions
3.6.1 Servo Run Out Measurements
3.6.2 Servo Bias Measurements
3.6.3 Predictive Failure Analysis
3.6.4 Channel Calibration
3.6.5 Save Logs and Pointers
3.7 Command Timeout Limits
Page
4.0 Mechanical
4.1 Small Form Factor Models (CxC)
4.1.1 Weight and Dimensions
4.1.2 Clearances
4.1.3 Mounting
Page
Page
Page
Page
Page
4.2 Carrier Models (CxB)
4.2.1 Weight and Dimensions
4.2.2 Clearances
4.2.3 Mounting
Page
Page
4.2.4 Auto-docking Assembly Side Rails
Page
Page
5.0 Electrical Interface
5.1 SSA Unitized Connector
5.2 Carrier Connector
Page
5.3 SSA Link Cable
5.4 SSA Link Electrical Characteristics
5.5 Option Pins and Indicators
5.5.1 - Manufacturing Test Mode (Option Port Pin 1)
5.5.2 - Auto Start Pin (Option Port Pin 2)
5.5.4 - Write Protect (Option Port Pin 4)
5.5.5 - Ground long (Option Port Pin 5)
5.5.6 - Device Activity Pin/Indicator (Option Port Pin 6)
5.5.7 + 5V (Option Port Pin 7)
5.5.8 - Device Fault Pin/Indicator (Option Port Pin 8)
5.6 Front Jumper Connector
5.7 Spindle Synchronization
5.7.1 Synchronization overview
5.7.2 Synchronization Mode
5.7.3 Synchronization time
5.7.4 Synchronization with Offset
5.7.5.2 Over Sync Hard-wire
Page
Page
6.0 Reliability
6.1 Error Detection
6.2 Data Reliability
6.3 Seek Error Rate
6.4 Power On Hours Examples:
Page
6.7 *Mean Time Between Failure (*MTBF)
6.7.1 Sample Failure Rate Projections
6.8 SPQL (Shipped product quality level) 6.9 Install Defect Free
Page
7.0 Operating Limits
7.1 Environmental
7.1.1 Temperature Measurement Points
Page
7.2 Vibration and Shock
7.2.1 Drive Mounting Guidelines
7.2.2 Output Vibration Limits
7.2.3 Operating Vibration
7.2.3.1 Nonoperating Vibration
7.2.4 Operating Shock
7.2.5 Nonoperating Shock
7.3 Contaminants
7.4 Acoustic Levels
Page
8.0 Standards
8.1 Safety
8.2 Electromagnetic Compatibility (EMC)
Page
Bibliography