
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

