===============================================================================
                      MAXTOR CHEYENNE 7213S SCSI DRIVE
===============================================================================

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: ................................. 212,787,200 Bytes
Embedded Controller: ....................... SCSI
Actuator type: ............................. Voice Coil
Number of Disks: ........................... 2
Data Surfaces: ............................. 4
Data Heads: ................................ 4
Servo: ..................................... Embedded
Tracks per surface: ........................ 1,698
Track Density (average): ................... 1,973 tpi
Bytes per Block: ........................... 512
Blocks per drive SCSI (User) ............... 415,600
Sectors per track: ......................... 42 physical

PERFORMANCE (Typical):

Seek times* (ms)
     Track to track: ....................... 3
     Average: .............................. 15 **
     Maximum: .............................. 28.2

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

Data transfer rate (Mbytes per sec)
     To/from media ......................... 2.83
     To/from buffer (AT) ................... 9.0
     To/from interface ..................... 7.5
Start time / power up (0-3,551 RPM)
     Typical ............................... ó7 sec
Stop time / power down
     Typical ............................... ó3 sec
Start/stop cycles .......................... 20,000 typical
Interleave: ................................ 1:1
Buffer Size: ............................... 64K
Interface: ................................. AT
Recording Method: .......................... 1,7 RLL
Recording Density (kbpi) ................... 42.7 maximum
Flux Density (kfci) ........................ 32.0 maximum

Power Requirments (Typical):

    Mode   +12VDC ñ8%   +5VDC ñ5%   Power
    R/W     145mA        340mA      3.7 W
    Idle    140mA        330mA      3.5 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 .............................. 5øC to 50øC
    Non-operating .......................... -40øC to 65øC
    Thermal gradient ....................... 20øC per hour max
Humidity ***
    Operating .............................. 5% to 95% non-condensing
    Non-operating .......................... 5% to 95% non-condensing
    Maximum wet bulb ....................... 20øC
Altitude (relitive to sea level)
    Operating .............................. -200 to 10,000 feet
    Non-operating .......................... 40,000 feet max

Reliability and Maintenance:

MTBF ....................................... >150,000 hours
                                             (POH, predicted at 35 degrees C)
Preventative Maintenance ................... None
Component design life ...................... 5 years (minimum)
Data reliability
     Hard read errors ...................... <10 per 10 to the 13th bits read
Shock & Vibration (typical)
          Shock measured at half-sine pulse. Vibration
          measured at swept sine, 1 octave per minute
    Operating shock ........................ 70 Gs, 11ms
    Non-operating shock .................... 10 Gs, 11ms (without
                                             non-recoverable errors)
    Non-operating Vibration
    5-20 Hz ................................ .10" (double amplitude)
    20 - 300 Hz ............................ 2 Gs peak amplitude
Acoustic Noise
    35 dBA at 1 meter (typical) in idle (spinning) on track mode.
    (sound power -4.5 bels average)

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

           7213A and 7213S are trademarks of Maxtor Corporation.
              Specifications subject to change without notice.

	:                                                         :
	³                                                         ³
	³                                                         ³
	³                                                         ³
	³          ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
	ÃÄÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ´
	ÀÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
	  Power   1                SCSI-Connector






MFG

OS

ABC-Hotline
Billstr. 236
20539 Hamburg
per Fax