STANDARD MICROSYSTEMS CORPORATION

SMC 4003-PC

  Data bus:                  8-bit, ISA

  Size:                      Full-length, full-height card

  Hard drive supported:      Two MFM ST506/412 drives

  Floppy drives supported:   None

[Image]

                           CONNECTIONS

                  Function                        Location

  34-pin control cable connector-hard drive          CN1

  20-pin data cable connector-drive 0                CN2

  20-pin data cable connector-drive 1                CN3

                        DRIVE 1 CONFIGURATION - JP2

  Type     Capacity      Heads     Cylinders   Jumper    Jumper    Jumper
                                                 5         6         7

   1     Drive 1 Not      open       open       open
         installed

   2     Drive 0 and 1   closed      open       open
         parameters
         are the same

   3         10MB          4         306        open     closed    open

   4         20MB          8         306       closed    closed    open

   5         10MB          2         612        open     open     closed

   6         20MB          4         612       closed    open     closed

   7        closed        open       open       open     closed   closed

   8         open         open       open      closed    closed   closed

                          DRIVE 0 CONFIGURATION - JP2

  Type     Capacity     Heads    Cylinders   Jumper   Jumper   Jumper   Jumper
                                               1        2        3        4

   1         10MB         4         306       open     open    open     open

   2         20MB         8         306      closed    open    open     open

   3         15MB         6         306       open    closed   open     open

   4         5MB          2         306      closed   closed   open     open

   5         10MB         2         612       open     open    closed   open

   6         20MB         4         612      closed    open    closed   open

   7         21MB         4         640       open    closed   closed   open

   8         32MB         6         640      closed   closed   closed   open

   9         10MB         4         320       open     open    open     closed

  10         20MB         8         320      closed    open    open     closed

  11         42MB         5         977       open    closed   open     closed

  12         37MB         5         855      closed   closed   open     closed

  13         32MB         5         733       open     open    closed   closed

  14         22MB         6         440      closed    open    closed   closed

  15         12MB         4         360       open    closed   closed   closed

  16     Reserved for   closed    closed     closed   closed
         non-standard
         types*

  Note:*Only supported by OEM modification.

                       MISCELLANEOUS TECHNICAL NOTES

  The entry point for the SMC 4003-PC’s built-in low-level format program
                                is G=C800:6

   The entry point for the SMC 4003-PC’s built-in head-parking utility is
                                G=C800:4B0