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                        MAXTOR 7170A/AT/AI IDE DRIVE
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KEY FEATURES:

  * 15ms average seek               * 64K on-board cache  
  * Low power consumption           * Zone density recording 
  * 1:1 interleave                  * Dual drive master/slave support 
  * Rotary voice coil               * Automatic actuator lock 
  * Single-sided surface mount PCBA

SPECIFICATIONS:

Formatted: ................................. 171,374,080 Bytes
Embedded Controller: ....................... AT 
Actuator type: ............................. Voice Coil
Number of Disks: ........................... 2
Data Surfaces: ............................. 4
Data Heads: ................................ 4
Servo: ..................................... Embedded
Tracks per surface: ........................ 1,281
Track Density (average): ................... 2,040 tpi
Bytes per Block: ........................... 512
Sectors per track (5 Zones): ............... 48-72
Sectors per drive .......................... 334,715

PERFORMANCE (Average):

Seek times* (ms)
     Track to track: ....................... 3
     Average: .............................. 15 **
     Maximum: .............................. 27

Average latency (ms) ....................... 8.45
Rotation speed ............................. 3,551 RPM
Controller overhead ........................ 1 ms

Data transfer rate, Maximum (Mbytes per sec)
     To/from media ......................... 2.83
     To/from buffer (AT) ................... 9.0
Start time / power up (0-3,551 RPM)
     Typical ............................... 6 sec
Stop time / power down
     Typical ............................... 3 sec
Start/stop cycles .......................... 40,000 average
Interleave: ................................ 1:1
Buffer Size: ............................... 64K
Interface: ................................. AT 
Recording Method: .......................... 1,7 RLL
Recording Density (Kfci) ................... 42.7 maximum
Flux Density (Kbpi) ........................ 32.0 maximum

POWER REQUIRMENTS (Average):

    Mode     +12VDC 8%   +5VDC 5%   Power/Duration
    Spin Up   850mA        320mA      <10.0ms
    R/W       130mA        330mA      3.20 W

PHYSICAL:

    Height:  1.00"  (2.54 cm)
    Length:  5.75"  (14.61 cm)
    Width:   4.00"  (10.16 cm)
    Weight:  1.2 lbs. (.57 kg)

ENVIRONMENTAL:

Temperature
    Operating .............................. 5C to 50C
    Non-operating .......................... Low temperature (-40C) per
                                             MIL-STD-810E, Method 502.3
                                             High temperature per 
                                             MIL-STD-810E, Method 501.3 
                                             Hot induced conditions.
    Thermal gradient ....................... 20C per hour max
Humidity 
  Operating .............................. Per MIL-STD-810E, Method 507.3
                                           Procedure I, Natural Cycle 3
  Non-operating & storage ................ Per MIL-STD-810E, Method 507.3
                                           Procedure IIb, Induced cycle 5
Altitude (relative to sea level)
  Operating .............................. -200 to 10,000 feet
  Non-operating .......................... Per MIL-STD-810E, Method 500.3
                                           Low pressure (Altitude) procedure I,
                                           Storage, test condition 2
RELIABILITY & MAINTENANCE

MTBF ....................................... >150,000 POH (Power On Hours) *1
AFR ........................................ 1.7% (Annualized Failure Rate)*2
Component design life ...................... 5 years (minimum) *3
Quality Acceptance Rate .................... 99.8% (2,000DPPM) *4
Preventive Maintenance ..................... None
Data reliability ........................... <10 per 10 to the 13th bits read
                                             (hard read errors)
Shock & Vibration (average)
  Shock measured a half-sine pulse. Vibration
  measured at swept sine, 1 octave per minute.

  Non-operating shock .................... 70 Gs, 11 ms
  Operating shock ........................ 15 Gs, 11 ms 
                                           (w/o non-recoverable errors)
  Non-operating vibration
      Per MIL-STD-810E, Method 514.4, Basic transportation vertical axis
      PSD profile, 10-500 Hz, 60 Min/Axis.
  Operating, ramdom vibration
      5 - 20 Hz  ......................... 0.049" (double amplitude)
      20 - 300 Hz ........................ 1.5G Peak amplitude

Acoustic Noise (typical)
      Sound power ......................... 3.9 belA (per ISO 7779)
      Sound pressure ...................... 33 dBA 

     *   At nominal DC input voltages. 
     **  The average of 10,000 random seek times (measured on independent.
         test equipment) constitutes the average seek time specification.
     *1  Annualized average applicable only to the time period after
         installation to the end of the specified Component Design Life.
         assumed POH/year is 2,000 hours.
     *2  Annualized average applicable only to the time period after final
         installation to the end of the specified Component Design Life.
     *3  The period of the before identified wear-out mechanisms will impact
         the annual failure rate.
     *4  Average defects per million rate is measured by our customers 
         through their final installation. Based on failures that are 
         verified as chargeable to Maxtor.
     *5  Maxtor defines a megabyte as 1,000,000.

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                       7170A JUMPER DESIGNATION
                                          J24J23J22J20J19J18J17J16
    Ĵ
     Cable Select                                                
      Disabled*                           O                      
      Enabled                             J                      
    Ĵ
     Write Cache                                                 
      Enabled*                               O                   
      Disabled                               J                   
    Ĵ
     Drive Compatibility                                         
      Disabled*                                 O                
      Enabled                                   J                
    Ĵ
     Master/Slave                                                
      Only drive in single drive system*           J             
      Master in dual drive system                  J             
      Slave in dual drive system                   O             
    Ĵ
     Spare Jumper+                                               
      <11/1/93 Provided                               J          
      >11/1/93 Not Provided                           O          
    Ĵ
     Low Power Spin Mode                                         
      Disabled*                                          O       
      Enabled                                            J       
    Ĵ
     ECC                                                         
      11-Bit*                                               O    
      4-Bit emulation                                       J    
    Ĵ
     I/O Channel Ready                                           
      Disabled*                                                O 
      Enabled                                                  J 
    
         J=Jumpered O=Open *=Default +=Manufacture Date

Ŀ  Ŀ     Ŀ  Ŀ     Ŀ  Ŀ
                                                 ÿ
                                                            Ŀ       
               >::::          
        ͻ                                            
             J24 J22                                            Ŀ     
          Ŀ                                            ,,     
           * * * *               >::     
           * * * *       ͻ                     ::  J1 
                    Ŀ                              
           J25 J23          J20                                    
        ͼ         J19+                              
                              J18 * *                                  
                                  * * J17                               
                              J16 * *                                   
                                                               
                             ͼ                          
                                                                     1     
                                                                      2     
                                                                      3  J3 
    Ŀ                 Ŀ   Ŀ                Ŀ  Ŀ   4     
               

                            CMOS Configuration:     

                    Cyls  Hds  Write  Landing Sec/Trk
                               PreComp  Zone
                    ---------------------------------
                    984   10     0       0       34

            Yields: 171.3 Million Bytes (Approx. 163 MegaBytes)

            Drive is low-level formatted  with a 1:1 interleave at 
            the factory, with any defects retired to a dedicated 
            non-destructive zone.
            Jumpers J17, J18, J24, & J25 factory reserved. Abnormal 
            operation may occur if reserved jumpers are altered.
            
        7170A and 7170S are registered trademarks of Maxtor Corporation.
               AT is a registered trademark of IBM Corporation.
               Specifications subject to change without notice.
                      Copyright 1993 Maxtor Corporation.
                         Rev B    11/5/93    Anderson
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