
                                   WD1004A-27X
     
                                   Description
     
     WD1004A-27X, feature F300R - Half-slot size hard disk controller  
     with an ST506/ST412 interface.  It supports 2 RLL drives with up to 
     16 heads and 1024 cylinders.  Built-in ROM BIOS supports non-standard 
     drive types, virtual drive formatting, bad track formatting and 
     dynamic formatting.
     
     The following is a list of common hard disk drives which have been 
     found to be compatible with the WD1004A-27X.  For a more complete 
     list of hard disk drives and their parameters, return to the STORAGE 
     PRODUCTS menu.
     
     
     Controller:  WD1004A-27X
     
     Drive                                           Formatted Capacity
     
     Western Digital - WD344                         41 Megabyte
                     - WD382R                        20 Megabyte
                     - WD384R                        41 Megabyte
     
     Seagate         - ST138R                        32 Megabyte
                     - ST238 & 238R                  32 Megabyte
                     - ST277R                        65 Megabyte
     
     Miniscribe      - 3438                          32 Megabyte
                     - 6079                          68 Megabyte
                     - 6128                          110 Megabyte
     
     Maxtor          - XT-1120R                      104 Megabyte
     
     Fuji            - FK305-39R                     32 Megabyte
                     - FK305-58R                     49 Megabyte
     
     CDC             - 94205-77                      63 Megabyte
     