BEC COMPUTER ENTERPRISES

SPM 386-33C

Processor         80386DX
Processor Speed   33MHz
Chip Set          C & T
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J3        Turbo LED                  J13

  Reset switch               J5        Speaker                    J14

  Power LED & Keylock        J10       32-bit external             S1
                                       memory card

  Turbo switch               J12

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   CMOS memory normal operation              J2             Open

      CMOS memory clear                         J2            Closed

  »   Monitor type select monochrome            J4             Open

      Monitor type select color                 J4            Closed

  »   NPU mode select synchronous with         J11             Open
      CPU

      NPU mode select asynchronous with        J11            Closed
      CPU

           DRAM CONFIGURATION

  Size       Bank 0          Bank 1

  1MB     (4) 256K x 9        NONE

  2MB     (4) 256K x 9    (4) 256K x 9

  4MB      (4) 1M x 9         NONE

  8MB      (4) 1M x 9      (4) 1M x 9

  16MB     (4) 4M x 9         NONE

  32MB     (4) 4M x 9      (4) 4M x 9

                            CACHE CONFIGURATION

     Size          Bank 0       Bank 1       TAG (U28 &      TAG (U34)
                                                U32)

     64KB        (4) 8K x 8   (4) 8K x 8    (2) 16K x 4         NONE

     128KB       (4) 32K x 8     NONE       (2) 16K x 4         NONE

     256KB       (4) 32K x 8  (4) 32K x 8   (2) 16K x 4     (1) 16K x 4

  Note: Bank 0 = U2, U3, U15, & U21. Bank 1 = U10, U11, U16, & U20.

                        CACHE JUMPER CONFIGURATION

   Size        W1           W2           W3          W4            W5

   64KB    pins 2 & 3   pins 2 & 3   pins 2 & 3   pins 2 & 3      Open
             closed       closed       closed      closed

  128KB       Open      pins 1 & 2   pins 1 & 2   pins 1 & 2   pins 2 & 3
                          closed       closed      closed        closed

  256KB    pins 1 & 2   pins 1 & 2   pins 1 & 2   pins 1 & 2   pins 1 & 2
             closed       closed       closed      closed        closed