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IBM C1B 1.12 Brick On Sled Carrier 128-pin HPC Specification Sheet - 1.2 Models

Manual is about: 1.12/2.25 GB - 1.0" HIGH 4.51 GB - 1.6" HIGH 3.5 FORM FACTOR DISK DRIVE VERSION 5.0

Summary of C1B 1.12 Brick On Sled Carrier 128-pin HPC

  • Page 1

    Oem functional specification ultrastar xp (dfhc) ssa models 1.12/2.25 gb - 1.0" high 4.51 gb - 1.6" high 3.5 form factor disk drive version 5.0 august 15, 1995 publication number 3304 ibm corporation source filename=stsshext ibm corporation page 1 of 87.

  • Page 2

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h this document is preliminary and the contents are subject to change without notice. Equiries, suggestions, and requests for add...

  • Page 3: Preface

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h preface this document details the product hardware specification for the ultrastar xp ssa family of direct access storage devic...

  • Page 4

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h source filename=stsshext ibm corporation page 4 of 87.

  • Page 5: Contents

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h contents 1.0 description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 6

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 4.0 mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 4.1 sma...

  • Page 7

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 7.1 environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 7.1.1 te...

  • Page 8

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h source filename=stsshext ibm corporation page 8 of 87.

  • Page 9: 1.0 Description

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 1.0 description 1.1 features 1.1.1 general features 1.12/2.25/4.51 gigabytes formatted capacity (512 bytes/sector) serial stora...

  • Page 10: 1.2 Models

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h automatic sector reallocation in-line alternate sector assignment for high-performance improved technique for down-loadable ssa...

  • Page 11: 2.0 Specifications

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.0 specifications all specifications are nominal values unless otherwise noted. The ultrastar xp ssa data storage capacities v...

  • Page 12

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h total cylinders (tcyl) all models c4x models c2x models c1x models & user cylinders (ucyl) tcyl ucyl ucyl ucyl notch #1 1893 18...

  • Page 13

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 1. Gross sectors per track for several block lengths table 2. User capacity for several block lengths 2.1.1 capacity equa...

  • Page 14

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.1.1.2 for entire drive spares/drive (spr/drv) = ∑ 10 notch = 1 spr/nch user sectors/drive (us/drv) = ∑ 10 notch = 1 us/nch lo...

  • Page 15

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2 power requirements by model 2.2.1 c1x models the following voltage specifications apply at the drive power connector. There...

  • Page 16

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.1.1 power calculation examples note: the following formulas assume all system ops as a 1 block read or write transfer from ...

  • Page 17

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h example 4. Calculate the 12 volt peak current. To compute the sum of the 12 volt peak currents the following is done. Mean + 1 ...

  • Page 18

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 1. 5 volt current during read/write operations — c1x models 1. Read/write baseline voltage. 2. Read/write pulse. The wid...

  • Page 19

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 2. Typical 12 volt current — c1x models 1. Maximum slew rate is 7 amps/millisecond. 2. Maximum slew rate is 100 amps/mil...

  • Page 20

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 3. Typical 12 volt spin-up current — c1x models 1. Maximum slew rate is 20 amps/millisecond. 2. Current drops off as mot...

  • Page 21

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.2 c2x models the following voltage specifications apply at the drive power connector. There is no special power on/off sequ...

  • Page 22

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.2.1 power calculation examples note: the following formulas assume all system ops as a 1 block read or write transfer from ...

  • Page 23

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h example 4. Calculate the 12 volt peak current. To compute the sum of the 12 volt peak currents the following is done. Mean + 1 ...

  • Page 24

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 4. 5 volt current during read/write operations — c2x models 1. Read/write baseline voltage. 2. Read/write pulse. The wid...

  • Page 25

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 5. Typical 12 volt current — c2x models 1. Maximum slew rate is 7 amps/millisecond. 2. Maximum slew rate is 100 amps/mil...

  • Page 26

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 6. Typical 12 volt spin-up current — c2x models 1. Maximum slew rate is 20 amps/millisecond. 2. Current drops off as mot...

  • Page 27

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.3 c4x models the following voltage specifications apply at the drive power connector. There is no special power on/off sequ...

  • Page 28

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.3.1 power calculation examples note: the following formulas assume all system ops as a 1 block read or write transfer from ...

  • Page 29

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h example 4. Calculate the 12 volt peak current. To compute the sum of the 12 volt peak currents the following is done. Mean + 1 ...

  • Page 30

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 7. 5 volt current during read/write operations — c4x models 1. Read/write baseline voltage. 2. Read/write pulse. The wid...

  • Page 31

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 8. Typical 12 volt current — c4x models 1. Maximum slew rate is 7 amps/millisecond. 2. Maximum slew rate is 100 amps/mil...

  • Page 32

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 9. Typical 12 volt spin-up current — c4x models 1. Maximum slew rate is 20 amps/millisecond. 2. Current drops off as mot...

  • Page 33

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.4 cxb models the carrier models include a d c / d c power converter, device activity and fault/service indicators. There is...

  • Page 34

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.5 power supply ripple externally generated ripple 10 as seen at drive power connector maximum notes + 5 v d c 150 mv 0-20 m...

  • Page 35

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h hot plugging the ssa link will be recognized by the next node which will cause a configuration process to be started by the ini...

  • Page 36

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 2.2.8 bring-up sequence (and stop) times figure 10. Start time diagram note: bats is the abbreviation for basic assurance tests...

  • Page 37

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 4. Bring-up sequence times and stop time for c2x models table 5. Bring-up sequence times and stop time for c4x models eve...

  • Page 38

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h source filename=perform ibm corporation page 38 of 87.

  • Page 39: 3.0 Performance

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 3.0 performance drive performance characteristics are dependent upon the workloads run and the environments in which they are r...

  • Page 40

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h the time between the end of an operation, and when the next operation is issued is 50 msec, + / - a random value of 0 to 50 mse...

  • Page 41

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h the post command processing time of .26 ms is defined as the average time required for process cleanup after the command has co...

  • Page 42

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 7. Data sector transfer rates. (all rates are in mb/sec) data transfer to/from ssa link the time required to transfer dat...

  • Page 43

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 3.3.2.1 theoretical data sector transfer rate this rate does not account for time required for error recovery or defective sect...

  • Page 44

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 3.4.1 for different transfer sizes the primary performance change due to a change of transfer size is the data transfer to/from...

  • Page 45

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h for the command can start immediately. This effectively avoids latency time for read operations sequen- tial on a previous read...

  • Page 46: 3.5 Skew

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h the full benefit of out of order transfers in only achieved if ooti is also set. Read data is transferred on the interface in t...

  • Page 47: 3.6 Idle Time Functions

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 9. Track (or head) skew for several block lengths 3.6 idle time functions the execution of various functions by the drive...

  • Page 48

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 3.6.1 servo run out measurements the drive periodically measures servo run out, the amount of wobble on each disk, to track fol...

  • Page 49

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 3.6.5 save logs and pointers the drive periodically saves data in logs in the reserved area of the disks. The information is us...

  • Page 50

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h note: a timeout of one minute or more is recommended but n o t required. The larger system timeout limit allows the system to t...

  • Page 51: 4.0 Mechanical

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 4.0 mechanical 4.1 small form factor models (cxc) 4.1.1 weight and dimensions c1c & c2c models c4c models u.S. S.I. Metric u.S....

  • Page 52

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h notes: 1) bottom clearance required by 4.1.2, “clearances.” 2) dimensions are in millimeters. Figure 11. Location of side mount...

  • Page 53

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h notes: 1) bottom clearance required by 4.1.2, “clearances” on page 51. 2) dimensions are in millimeters. Figure 12. Location of...

  • Page 54

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h notes: 1) the purpose of this drawing is to show the bottom hole pattern. 2) dimensions are in millimeters. Figure 13. Location...

  • Page 55

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 4.1.4 unitized connector locations the unitized connector is located on the left side of the top view (bottom drawing) as shown...

  • Page 56

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 14. Electrical connectors (rear and top view) -- cxc models. Source filename=mechanic ibm corporation page 56 of 87.

  • Page 57: 4.2 Carrier Models (Cxb)

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 4.2 carrier models (cxb) the carrier model assemblies include the disk drive, drawer mounting hardware (rails, latching mechani...

  • Page 58

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h note: dimensions are in millimeters. Figure 15. Dimensions — cxb models source filename=mechanic ibm corporation page 58 of 87.

  • Page 59

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 16. Handle docking and ejection system the handle on the carrier is used for insertion into and extraction from the draw...

  • Page 60

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 4.2.4 auto-docking assembly side rails ibm supplied side rails that can be used for the auto-docking assembly are shown in figu...

  • Page 61

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h figure 17. Side rail positioning source filename=mechanic ibm corporation page 61 of 87.

  • Page 62

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 4.2.5 electrical connector and indicator locations the h p c electrical connectors are located as shown in figure 15 on page 58...

  • Page 63: 5.0 Electrical Interface

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 5.0 electrical interface 5.1 ssa unitized connector electrical connections for cxc models are provided by a single connector mo...

  • Page 64: 5.2 Carrier Connector

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 11. Electrical connector contact assignments — cxc models 5.2 carrier connector electrical connections for cxb models are...

  • Page 65

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 12. Electrical connector contact assignments — cxb models row a b c d 1 n/c n/c n/c n/c 2 n/c n/c n/c n/c 3 n/c n/c n/c n...

  • Page 66: 5.3 Ssa Link Cable

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 5.3 ssa link cable the ssa link cable must meet the specifications described in the electrical specifications section of serial...

  • Page 67

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h the width, period, and tolerance of the negative active sync pulse is manufacturer dependent, and thus syn- chronization across...

  • Page 68

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 5.5.9 programmable pin 1 (option port pin 9) this pin can be used by a manufacturer for what ever purposes it desires within th...

  • Page 69

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 5.7 spindle synchronization 5.7.1 synchronization overview spindle synchronization of drives is achieved by one node transmitti...

  • Page 70

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h the spindle synchronization timing requirements are met in a string composed of ultrastar xp ssa drives when there are no more ...

  • Page 71

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h termination bus termination of the - sync signals is internal to the drive. This signal has a 5.1k ohm pulled-up to the + 5 vol...

  • Page 72

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h source filename=reliable ibm corporation page 72 of 87.

  • Page 73: 6.0 Reliability

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 6.0 reliability note: the reliability projections are based on the conditions stated below. All of the ssa models will meet the...

  • Page 74: 6.5 Power On/off Cycles

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h - 25 power on/off cycles per month - 500 power on hours per month 6.5 power on/off cycles maximum on/off cycles 1080/ year 6.6 ...

  • Page 75: 6.9 Install Defect Free

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 6.7 *mean time between failure (*mtbf) the mean time to failure target is 1,000,000 device hours per fail (3.0% c d f ) based o...

  • Page 76: 6.10 Periodic Maintenance

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h install defect free percentage 99.99 percent 6.10 periodic maintenance none required 6.11 esd protection the ultrastar xp ssa d...

  • Page 77: 7.0 Operating Limits

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 7.0 operating limits the ibm corporate specifications and bulletins, such as c-s 1-9700-000 in the contaminants section, that a...

  • Page 78

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 15. Maximum and reliability operating temperature limits maximum reliability disk enclosure top 158˚ f (70˚ c) 131˚ f (55...

  • Page 79: 7.2 Vibration And Shock

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h notes: 1) center thermocouple on the top surface of the module. 2) if copper tape is used to attach temperature sensors, it sho...

  • Page 80

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 7.2.1 drive mounting guidelines the following guidelines may be helpful as drive mounting systems are being designed. 1. Mount ...

  • Page 81

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h table 16. Random vibration levels class 5 hz 17 hz 45 hz 48 hz 62 hz 65 hz 150 hz 200 hz 500 hz r m s v4 2.0e-5 1.1e-3 1.1e-3 8...

  • Page 82: 7.3 Contaminants

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 7.2.4 operating shock n o permanent damage will occur to the drive when subjected to a 10 g half sine wave shock pulse of 11 mi...

  • Page 83: 7.4 Acoustic Levels

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 7.4 acoustic levels additionally, the population average of the sound pressure measured one meter above the center of the drive...

  • Page 84

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h source filename=standard ibm corporation page 84 of 87.

  • Page 85: 8.0 Standards

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h 8.0 standards 8.1 safety u n d e r w r i t e r s laboratory (ul) approval: the product is approved as a recognized component fo...

  • Page 86

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h pertaining to the disk drive, ibm will provide technical support to assist users in complying with the requirements of the germ...

  • Page 87: Bibliography

    User responsible f o r v e r i f y i n g version a n d completeness o e m f u n c t i o n a l specification ultrastar x p (dfhc) ssa m o d e l s 1.12/2.25 gb - 1.0" h i g h bibliography 1. Serial storage architecture s s a - p h (transport layer), x3t10.1/989-d_rev_01, january 19th, 1994, editor: jo...

  • Page 88

    Dsmbeg323i s t art ing pass 2 o f 2. Dsmafp709e p a g e s e g m e n t cadc3 exceeds r i g h t p a g e b o u n d a r y o n pa g e 58. Dsmafp709e p a g e s e g m e n t cadc2 exceeds r i g h t p a g e b o u n d a r y o n pa g e 61..