IBMメーカーSSAの使用説明書/サービス説明書
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OEM FUNCTIONAL SPECIFICATION ULTRASTAR X P (DFHC) SS A MODELS 1.12/2.25 GB - 1.0" HIGH 4.51 G B - 1.6" HIGH 3 . 5 FORM FACTOR DISK DRIVE VERSION 5.
USE R RESPONSIBL E FO R VERIFYIN G VERSIO N AN D COMPLETENESS OE M FUNCTIONA L SPECIFICATIO N ULTRASTA R X P (DFHC ) SS A MODEL S 1.12/2.2 5 G B - 1.0 " HIGH Thi s documen t i s preliminar y an d th e content s ar e subjec t t o chang e withou t notice .
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Preface This document details t h e product hardware specification for t h e Ultrastar X P S S A family of Direct Access Storage Devices.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Source filename=STSSHEXT IB M Corporation Page 4.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Contents 1.0 Description ...... .... ...... .... ...... .... ...... .... ...... .... .. 9 1 . 1 Features .
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 4.0 Mechanical ...... .... ...... .... ...... .... ...... .... ...... .... . 51 4. 1 Small Form Factor Models (CxC) .
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 7 . 1 Environmental ...... .... ...... .... ...... .... ...... .... ...... ... 77 7.1.1 Temperature Measurement Points .
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Source filename=STSSHEXT IB M Corporation Page 8.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 1.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Automatic sector reallocation In-line alternate sector assignment for high-performance Improved technique for down-loadable S SA firmware 1.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.0 Specifications All specifications are nominal values unless otherwise noted. The Ultrastar X P S S A data storage capacities vary as a function of model and use r block size.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Total Cylinders (tcyl) Al l models C4x Models C2.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 1 . Gross sectors p er track for several block lengths Table 2. User capacity for several block lengths 2.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2 . 2 Power Requirements b y Model 2.2.1 C1x Models T h e following voltage specifications apply at the drive power connector.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.1.1 Power Calculation Examples Note: T h e following formulas assume al l system ops as a 1 block read or write transfer from a random cylinder while a t nominal voltage condition.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Example 4. Calculate the 1 2 volt peak current. T o compute the sum o f th e 1 2 volt peak currents th e following is done.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 1. 5 volt current during read/write operations — C1x Models 1 . Read/write baseline voltage.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 2. Typical 12 volt current — C1x Models 1 . Maximum slew rate is 7 amps/millisecond. 2 . Maximum slew rate is 1 0 0 amps/millisecond.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 3. Typical 12 volt spin-up current — C1x Models 1 . Maximum slew rate is 2 0 amps/millisecond.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.2 C2x Models T h e following voltage specifications apply at the drive power connector. There i s no special power on/off sequencing required.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.2.1 Power Calculation Examples Note: T h e following formulas assume al l system ops as a 1 block read o r write transfer from a random cylinder while a t nominal voltage condition.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Example 4. Calculate the 1 2 volt peak current. T o compute the sum o f th e 1 2 volt peak currents th e following is done.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 4. 5 volt current during read/write operations — C2x Models 1 . Read/write baseline voltage.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 5. Typical 12 volt current — C2x Models 1 . Maximum slew rate is 7 amps/millisecond. 2 . Maximum slew rate is 1 0 0 amps/millisecond.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 6. Typical 12 volt spin-up current — C2x Models 1 . Maximum slew rate is 2 0 amps/millisecond.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.3 C4x Models T h e following voltage specifications apply at the drive power connector. There i s no special power on/off sequencing required.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.3.1 Power Calculation Examples Note: T h e following formulas assume al l system ops as a 1 block read o r write transfer from a random cylinder while a t nominal voltage condition.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Example 4. Calculate the 1 2 volt peak current. T o compute the sum o f th e 1 2 volt peak currents th e following is done.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 7. 5 volt current during read/write operations — C4x Models 1 . Read/write baseline voltage.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 8. Typical 12 volt current — C4x Models 1 . Maximum slew rate is 7 amps/millisecond. 2 . Maximum slew rate is 1 0 0 amps/millisecond.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 9. Typical 12 volt spin-up current — C4x Models 1 . Maximum slew rate is 2 0 amps/millisecond.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.4 CxB Models T h e carrier m od els include a DC/DC power converter, device activity a n d fault/service indicators.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH H o t plugging t he S SA link will b e recognized b y t h e ne xt node which will cause a configuration process t o be started b y t he Initiators.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 2.2.8 Bring-up Sequence (and Stop) Times Figure 10. Start Time Diagram Note: BATS i s the abbreviation for Basic Assurance Tests.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 4. Bring-up Sequence Times a nd Stop Time for C2x Models Table 5. Bring-up Sequence Times a nd Stop Time for C4x Models Event Nominal Maximum Notes Power-up 1.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Source filename=PERFORM IB M Corporation Page 38.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 3 . 0 Performance Drive performance characteristics are dependent upon th e workloads run a nd t he environments in which the y ar e run.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Th e time between the end of an operation, a nd when the next operation is issued is 5 0 msec, + / - a random value of 0 t o 50 msec, unless otherwise noted.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH The P o s t Command Processing t im e of .26 m s is defined as t h e average t im e required for process cleanup after th e command ha s completed.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 7.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 3.3.2.1 Theoretical Data Sector Transfer Rate This Rate does n o t account f o r tim e required for error recovery or defective sectors (the Typical Data Sector Transfer Rate described in 3.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 3.4.1 For Different Transfer Sizes T h e primary performance change d ue t o a change of transfer size is t h e Data Transfer to/from Disk param- eter.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH f o r t he command can start immediately. This effectively avoids latency t ime for read operations sequen- tial o n a previous read.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH T h e full benefit of o u t of order transfers i n o nl y achieved i f OOTI i s also set. Read dat a i s transferred o n th e interface in t h e same order as it was read from th e media.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 9.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 3.6.1 Servo Run Out Measurements T h e drive periodically measures servo r u n out, th e amount o f wobble on each disk, t o track follow more precisely.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 3.6.5 Save Logs a n d Pointers T h e drive periodically saves d at a i n logs in t h e reserved area of t h e disks.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Note: A timeout o f one minute or more i s recommended b ut N O T required.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 4 . 0 Mechanical 4 .1 Small Form Factor Models (CxC) 4.1.1 Weight and Dimensions C1C & C2C Models C4C Models U.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH notes: 1 ) Bottom clearance required b y 4.1.2, “Clearances.” 2 ) Dimensions are i n millimeters.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH notes: 1 ) Bottom clearance required b y 4.1.2, “Clearances” o n page 51 . 2 ) Dimensions are i n mil l imeters.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH notes: 1 ) Th e purpose of this drawing i s t o show the bottom ho le pattern. 2 ) Dimensions are i n millimeters.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 4.1.4 Unitized Connector Locations Th e Unitized connector i s located o n the left side of t h e t o p view (bottom drawing) as shown in Figure 14 o n page 56.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 14.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 4 . 2 Carrier Models (CxB) T h e carrier model assemblies include t h e disk drive, drawer mounting hardware (rails, latching mechanism, and connector), an d DC/DC power converter.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Note: Dimensions ar e in millimeters.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 16. Handle Docking and Ejection System Th e handle on the carrier is used for insertion into and extraction from th e drawer.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 4.2.4 Auto-docking Assembly Side Rails I B M supplied side rails that can be used fo r the auto-docking assembly are shown in Figure 17 on page 61 along with mounting location information.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Figure 17.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 4.2.5 Electrical Connector an d Indicator Locations T h e H P C electrical connectors are located as shown in Figure 15 o n page 58.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 5 .0 Electrical Interface 5. 1 SS A Unitized Connector Electrical connections for Cx C models are provided by a single connector mounted o n the re ar o f t he drive (see Figure 14 on page 56).
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 11.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 12.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 5.3 SSA Link Cable T h e SSA link cable must meet the specifications described in th e Electrical Specifications section of Serial Storage Architecture SSA-PH (Transport Layer), X3T10.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH T h e width, period, a nd tolerance of the negat.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 5.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 5.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH T h e spindle synchronization timing requirement.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Termination Bus termination o f the - SYNC signals is internal to t he drive. This signal h a s a 5.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Source filename=RELIABLE I BM Corporation Page 7.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 6 .
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH - 2 5 Power on/off cycles p e r month - 50 0 power on hours per month 6 . 5 Power on/off cycles Maximum on/off cyc les 1080/ year 6.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 6 . 7 *Mean Time Between Failure (*MTBF) Th e mean time t o failure t ar get is 1,000,000 device hours per fail (3.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Install Defect Free percentage 99.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 7. 0 Operating Limits Th e I B M Corporate specifications a nd bulletins, such as C-S 1-9700-000 in t h e contaminants section, that are referenced in this document ar e available for review.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 15.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Notes: 1 ) Center thermocouple o n the t o p surface of t h e module. 2) I f copper tape i s used t o attach temperature sensors, it s hould be n o larger t h a n 6 m m square.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 7.2.1 Drive Mounting Guidelines T h e following guidelines m a y b e helpful as drive mounting systems are being designed.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Table 16. Random Vibration Levels Class 5h z 17 h z 45 h z 48 h z 62 h z 65 h z 150 hz 200 h z 500 hz RMS V4 2.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 7.2.4 Operating Shock N o permanent damage will occur to the drive w h e n subjected t o a 10 G half sine wave shock pulse of 11 milliseconds duration.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 7.4 Acoustic Levels Additionally, th e population average of t h e sound pressure measured o n e meter above the center of the drive in idle m o d e will n o t exceed 36 d B .
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Source filename=STANDARD IB M Corporation Page 8.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH 8.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Pertaining t o th e disk drive, I B M will provide technical support t o assist users in complying with the requirements of the German Vereingung Deutcher Elektriker (VDE) 0871/6.
USER RESPONSIBLE F O R VERIFYING VERSION AN D COMPLETENESS OEM FUNCTIONAL SPECIFICATION ULTRASTAR XP (DFHC) S S A MODELS 1.12/2.25 G B - 1.0" HIGH Bibliography 1. Serial Storage Architecture SSA-PH (Transport Layer) , X3T10.1/989-D_rev_01, January 19th, 1994, Editor: John Scheible.
DSMBEG323I STARTING PASS 2 O F 2 . DSMAFP709E PAGE SEGMENT CADC3 EXCEEDS RIGHT PAGE BOUNDARY ON PA G E 58. DSMAFP709E PAGE SEGMENT CADC2 EXCEEDS RIGHT PAGE BOUNDARY ON PA G E 61.
デバイスIBM SSAの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
IBM SSAをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはIBM SSAの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。IBM SSAの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。IBM SSAで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
IBM SSAを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はIBM SSAの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、IBM SSAに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちIBM SSAデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
