Micropolis ESDI PCPAK
                Configuration/Specification Data Sheet

Model                  1558        1568         1654         1664     

Per Drive (MB)          337         676          161          345     
Per Sector (B)          512         512          512          512     
Sectors/Track            36          54           36           54     
Cylinders              1224        1632         1249         1780     
Data Heads               15          15            7            7     

Form Factor              FH          FH           HH           HH     
Internal Data
Transfer Rate(MHZ)       10          15           10           15   
Seek Time(msec)
(Includes settling)
 Track-to-Track           4           4            4            4     
 Average                 18          16           16           14    
 With Multisoft
   Pc-Kwik                0           0            0            0     

Power Dissipation(W)     29          29           15           15
 (Drive,typical)
MTBF                  150,000      150,000     150,000      150,000   

 The industry's leading,easy to install, complete and fully featured  
 5 1/4-inch ,high performance, high capacity ESDI-based disk drive   
 add-on/upgrade kits for IBM PC/AT and compatibles. 


The ESDI Performance Advantage Kits Offer:

 [] NovellTM NetWareTM 286/386, SCOTM Xenix, Unix, and DOS           
    compatibility
 [] Data rates of up to 15 MHz
 [] Access times as low as 14.5 msec
 [] Supports 1:1 interleave for fast data throughput
 [] Supports two hard disk drives and two floppy
 [] Multisoft award-winning PC-Kwik software
 [] All hardware, documentation, and software in a single package

Available in four formatted capacities:

             PC PAK Model         Formatted Capacity

                1558                    337 MBytes
                1568                    676 MBytes
                1654                    161 MBytes
                1664                    345 MBytes
Each PC PAK includes:

 [] A Micropolis high performance hard disk drive
 [] An ESDI controller for the PC/AT bus
 [] Multisoft software and documentation 
 [] Complete  end-user hardware and software documentation
 [] Installation software for Novell NetWare, SCO XENIX, UNIX,
    and DOS
 [] Cables and mounting hardware


All this backed by a full one-year warranty.

For more information on this and other Micropolis disk drives, contact
the Micropolis Sale Office of Authorized Distributor nearest you.

Micropolis is a registered trademark of Micropolis Corporation.
PCPAK is trademark of Micropolis Corporation. All other products or
brand names listed are trademarks or registered trademarks of their
respective holders.