===============================================================================
                             7405AV IDE DRIVE
===============================================================================

KEY FEATURES:

  * 12ms average seek               * 32K on-board buffer
  * 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 * 3551 RPM Rotational speed 	     
  * Energy Stary compliant          * Multi-Word DMA Mode 1

SPECIFICATIONS:

Formatted capacity: ........................ 405,127,680 Bytes
Bytes per sector:........................... 512
Integrated Controller/Interface: ........... AT 
Actuator type: ............................. Voice Coil
Data Surfaces: ............................. 3
Data Heads: ................................ 3
Servo: ..................................... Embedded
Tracks per surface (user): ................. 2,666
Track Density (average): ................... 3,100 tpi
Flux Density (average): .................... 48.07 kfci
Data Zones per Surface: .................... 8


PERFORMANCE (Typical):

Seek times* (ms)
     Track to track: ....................... 3
     Average: .............................. 12 **
     Maximum: .............................. 31

Average latency (ms): ...................... 8.45
Spindle speed (+-0.1%): .................... 3551 RPM
Controller overhead: ....................... 0.5 ms

Data transfer rate (Mbytes per sec)
  To/From Media (MB/sec): .................. 2.70 - 4.75
  To/from Interface (with I/O chrdy):........PIO Mode 3
  DMA Transfers (sustained)..................Mode 0
  DMA Transfers (burst)......................Mode 1

Start time (0 - Drive Ready). .............. <9 sec 
Stop Time/Power Down: ...................... <3.5 sec Avg.


Power Requirements (Average):

    Mode         +12VDC +-8%  +5VDC +-5%  Power/Duration
    ----         -----------  ----------  --------------
    Spin-up       1100mA       380mA        15.1W/1 sec max.
    Read/Write     196mA       360mA         4.20W
    Idle           180mA       340mA         3.90W
    Standby        .92mA       137mA         0.69W
    Sleep          .64mA       120mA         0.61W
    Active         200mA       360mA         4.20W

Physical:

    Height:  1.00"  ( 25.4 mm)
    Length:  5.75"  (146.1 mm)
    Width:   4.00"  (101.6 mm)
    Weight:  1.2 lb.  (0.5 kg)

Environmental:

Temperature (Degrees C)
    Operating (stabilized).................. 5C to 50C
    Non-operating .......................... -40C to 71C

Humidity ***
    Operating .............................. 5% to 95% non-condensing
    Non-operating .......................... 5% to 95% non-condensing

Altitude (relative to sea level)
    Operating .............................. -200 to 10,000 feet
    Non-operating .......................... MIL-STD-810E
    
Reliability and Maintenance:

MTBF ....................................... >300,000 hours 
Preventative Maintenance ................... None
Component design life ...................... 5 years (minimum)
Data reliability............................ <10 per 10^12 bits read
Start/Stop Cycles........................... > 20,000
Shock & Vibration (typical)
          
    Operating Shock ........................ 15 Gs
    Non-Operating Shock .................... 70Gs
    
    Operating Vibration (without non-recoverable errors)
      10Hz   ............................... .004 GxG/Hz
      40Hz.................................. .004 GxG/Hz
     500Hz.................................. .00004 GxG/hz

      Non-operating Vibration (without non-recoverable errors)
      10Hz.................................. .0015 GxG/Hz
      40Hz.................................. .0015 GxG/Hz
     500Hz.................................. .000015 GxG/hz

      20-300 Hz ............................. 1.0 G peak

Acoustic Noise
    Sound power (per ISO 7779) ............. 3.5 belA

*   At nominal DC input voltages
**  The average of 10,000 random seek times (measured on independent
    test equipment) constitutes the average seek time specification.
*** Operating and non-operating specs meet MIL-STD-810E. 
    Method 507.3 Table 507.3-I High humidity diurnal category. 
    Natural, High Humidity, Cyclic (Cycle 3)

==============================================================================

        7405AV JUMPER DESIGNATION         J24J23J20
    +-------------------------------------+---+---+---+
     Cable Select                                 
      Disabled*                           O       
      Enabled                             J       
    +-------------------------------------+---+---+---+
     Write Cache                                  
      Enabled*                               O    
      Disabled                               J    
    +-------------------------------------+---+---+---+
     Master/Slave                                 
      Only drive in single drive system*        J 
      Master in dual drive system*              J 
      Slave in dual drive system                O 
    +-------------------------------------+---+---+---+
         J=Jumpered O=Open *=Default                      
         Note: Jumpers J21, and J25 factory reserved. 


+-----+  +------------------+     +--+  +-------------+     +--+  +---------+
     +--+                  +-----+  +--+             +-----+  +--+         ++
                                                            +------+     +---+
 +              +------------------------------------------>|:::::        
        +--------------------+                              +------+        
             J21 J23 J25                                     +            
          +---+---+---+-+                                                 
           * * === * *                                                  
           * * * * * *                                               J1 
          +-+---+---+---+                                                 
           J20 J22 J24                                                    
        +--------------------+                                              
                                                +                           
                                                                            
                                                                            
       +                                                                 +---+
                                                                        +----+
                                                                   +        
                                                                            
                                                                         J3 
    +--+                 +-----+   +--+                +----+  +--+         
+----+  +-----------------+     +---+  +----------------+    +--+  +----------+


                            CMOS Configuration:     

                    Cyls   Hds  Write  Landing Sec/Trk
                                PreComp  Zone
                    ----------------------------------
                    989     16     0       0       50

            Yields: 405 Million Bytes 


                 7405AV are trademarks of Maxtor Corporation.
               AT is a registered trademark of IBM Corporation.
               Specifications subject to change without notice.
                     Copyright 1993-95 Maxtor Corporation.
                        Rev D    11/4/95    Anderson
==============================================================================

