
DD & TT ENTERPRISE USA COMPANY

DT-340P

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI/MR
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  32-bit external memory      CN1       Turbo LED                 JP4
  card

  External battery            J10       Reset switch              SW1

  Power LED & keylock         J23       Turbo switch              SW2

  Speaker                     J24

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Password check enabled (used            JP1             Closed
      with MR BIOS only)

      Password check disabled (used           JP1              Open
      with MR BIOS only)

     CMOS memory normal operation            JP2           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP2           pins 1 & 2
                                                              closed

     Bus speed select ATCLK/8                JP3             Closed

      Bus speed select ATCLK/6                JP3              Open

              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

      5MB         (4) 1M x 9     (4) 256K x 9

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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 4M x 9      (4) 1M x 9

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

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG         TAG (U42)

     32KB        (4) 8K x 8        NONE       (2) 4K x 4     (1) 16K x 1

     64KB        (4) 8K x 8     (4) 8K x 8    (2) 16K x 4    (1) 16K x 1

     128KB      (4) 32K x 8        NONE       (2) 16K x 4    (1) 16K x 1

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

                     CACHE JUMPER CONFIGURATION

   Size      JP5      JP6       JP7       JP8      JP9       JP10

   32KB     1 & 2    1 & 2     1 & 2     Open     2 & 3     2 & 3

   64KB     2 & 3    1 & 2     1 & 2     Open     2 & 3     1 & 2

  128KB     2 & 3    1 & 2     2 & 3     Closed   2 & 3     1 & 2

  256KB     2 & 3    2 & 3     2 & 3     Closed   1 & 2     1 & 2

  Note:Pins designated should be in the closed position.

