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                                MODEL  XT-8610E
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              Interface:  ESDI                 RLL 1,7 Encoding

Capacity, Unformatted                Capacity, Formatted ESDI Compatible

Per Drive (Mbytes)    :  615.30      Per Drive (Mbytes)    :  541.40
Per Surface (Mbytes)  :  51.30       Per Surface (Mbytes)  :  45.10
Per Track (Bytes)     :  31,410      Per Track (Bytes)     :  27,648
                                     Per Sector (Bytes)    :  512

Parameters                           Performance Specifications

Cylinders     :  1632                Transfer rate, Mbits/sec    :  15
Data Heads    :  12                  Access Time (Average)       :  16.0msec
Sector\Track  :  52                  Access Time (Track-To-Track):  3.0msec
Pre-Comp         NONE                Access Time (Maximum)       :  33msec  
                                      
MTBF:  40,000 Hours (POH)            Dimensions(Inches): 3.25" x 5.75" x 8.20""

Power Requirements:  +12VDC +\- 5%. 1.5A Typical, 4.5A Maximum
                     + 5VDC +\- 5%. 1.7A Typical, 1.9A Maximum

NOTE:  The 2 most common ways to Low Level Format this drive are:  Method 1 is
       the debug utility.  Please follow the Controller Low Level Format
       instructions your Distributor has provided you.  Method 2 is Ontrack
       Corporation's Generic Disk Manager. Again,Please follow the instructions
       that Ontrack provides with this software package.