
AUVA COMPUTER, INC.

BABY 80386 TAM/20-C3

Processor         80386DX
Processor Speed   20MHz
Chip Set          C&T
Max. Onboard DRAM 16MB (2MB on board)
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card (2)
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Reset switch               JP1       Turbo switch               JP5

  Speaker                    JP2       External battery           JP16

  Turbo LED                  JP3       32-bit external         SL1 & SL2
                                       memory card

  Power LED & keylock        JP4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Pipeline mode enabled                   JP6             Closed

      Pipeline mode disabled                  JP6              Open

     BIOS type select 27256                  JP15          pins 1 & 2
                                                              closed

      BIOS type select 27512                  JP15          pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP17          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP17          pins 2 & 3
                                                              closed

     Monitor type select color               JP18            Closed

      Monitor type select monochrome          JP18             Open

     CMOS memory (Internal Battery)          JP22          pins 2 & 3
                                                              closed

      CMOS memory (External Battery)          JP22          pins 1 & 2
                                                              closed

         NPU CLOCK SPEED CONFIGURATION

   NPU Speed          JP7            JP8

  Synchronous        Open            Open

  Asynchronous      Closed          Closed

   NPU TYPE CONFIGURATION

   Type     JP13      JP14

  80387     Closed   Closed

   None     Open      Open

[Image]

                            DRAM CONFIGURATION

  Size     Bank 0     Bank 1     Bank 0     Bank 1     Bank 0     Bank 1
                                  (C1)       (C1)       (C2)       (C2)

  1MB/1      (8)       NONE       NONE       NONE       NONE       NONE
           411000

  1MB/2     NONE       NONE       (18)       NONE       NONE       NONE
                                 41256

  2MB/1      (8)        (8)       NONE       NONE       NONE       NONE
           411000     411000

  2MB/2     NONE       NONE       (18)       (18)       NONE       NONE
                                 41256      41256

  4MB/1      (8)        (8)       (18)       (18)       NONE       NONE
           411000     411000     41256      41256

  4MB/2     NONE       NONE       (18)       NONE       NONE       NONE
                                 411000

  4MB/3     NONE       NONE       (18)       (18)       (18)       (18)
                                 41256      41256      41256      41256

   8MB      NONE       NONE       (18)       (18)       NONE       NONE
                                 411000     411000

  10MB       (8)        (8)       (18)       (18)       NONE       NONE
           411000     411000     411000     411000

  16MB      NONE       NONE       (18)       (18)       (18)       (18)
                                 411000     411000     411000     411000

                   DRAM SWITCH CONFIGURATION (MAINBOARD)

    Size          JP11            JP12           JP24           JP25

    1MB/1         Open         pins 1 & 2     pins 1 & 2        Open
                                 closed         closed

    1MB/2         Open            Open           Open           Open

    2MB/1       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    2MB/2         Open            Open           Open           Open

    4MB/1       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    4MB/2         Open            Open           Open           Open

    4MB/3         Open            Open           Open           Open

     8MB          Open            Open           Open           Open

    10MB        pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

    16MB          Open            Open           Open           Open

              DRAM SWITCH CONFIGURATION (EMC/8M-C3) (CARD 1)

    Size           JP1            JP2            JP3             JP4

    1MB/1          N/A            N/A            N/A             N/A

    1MB/2         Open         pins 1 & 2        Open         pins 1 & 2
                                 closed                        closed

    2MB/1          N/A            N/A            N/A             N/A

    2MB/2       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    4MB/1       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

    4MB/2         Open         pins 1 & 2        Open         pins 1 & 2
                                 closed                        closed

    4MB/3       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

     8MB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    10MB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    16MB        pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

              DRAM SWITCH CONFIGURATION (EMC/8M-C3) (CARD 2)

    Size           JP1            JP2            JP3             JP4

    1MB/1          N/A            N/A            N/A             N/A

    1MB/2          N/A            N/A            N/A             N/A

    2MB/1          N/A            N/A            N/A             N/A

    2MB/2          N/A            N/A            N/A             N/A

    4MB/1          N/A            N/A            N/A             N/A

    4MB/2          N/A            N/A            N/A             N/A

    4MB/3       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

     8MB           N/A            N/A            N/A             N/A

    10MB           N/A            N/A            N/A             N/A

    16MB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

  PARITY CHECK CONFIGURATION (MAINBOARD ONLY)

      Size            P0              P1

     1MB/1         (4) 41256         NONE

     2MB/1         (4) 41256       (4) 41256

     4MB/1         (4) 41256       (4) 41256

      10MB         (4) 41256       (4) 41256

                       MISCELLANEOUS TECHNICAL NOTE

  Note: NMB (AAA2801-8), Micron (MT1259-10), and Hyundai (HY53C256LS)
  DRAM are inhibited on the

  EMC/8M-C3 RAM card.

