
CACHE COMPUTERS, INC.

CACHE BAT 486 (Model 319)

Processor            80486SX/80486DX
Processor Speed      20/25/33/40/50MHz
Chip Set             UMC
Max. Onboard DRAM    32MB
Cache                64/128/256KB
BIOS                 AMI/MR
Dimensions           330mm x 218mm
I/O Options          Serial ports (2), parallel port, game port, bus mouse
                     port, floppy drive interface, IDE interface, 32-bit
                     external memory card slot
NPU Options          4167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J2        Serial port COM1            P1

  IDE LED                    J3        Serial port COM2            P2

  Auxiliary keyboard         J8        Game port                   P3

  Speaker                    J10       Bus mouse port              P4

  Power LED & keylock        J11       Parallel port               P5

  Reset switch               J12       IDE interface               P6

  Turbo switch               J13       Floppy drive                P7
                                       interface

  Turbo LED                  J14       32-bit external             S1
                                       memory slot

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Floppy drive enabled                  SW3/1               Off

      Floppy drive disabled                 SW3/1                On

     IDE interface enabled                 SW3/2               Off

      IDE interface disabled                SW3/2                On

     Serial port COM1 (P1)                 SW3/3               Off
      enabled

      Serial port COM1 (P1)                 SW3/3                On
      disabled

     Serial port COM2 (P2)                 SW3/4               Off
      enabled

      Serial port COM2 (P2)                 SW3/4                On
      disabled

     Game port enabled                     SW3/5               Off

      Game port disabled                    SW3/5                On

     Parallel port enabled                 SW3/6               Off

      Parallel port disabled                SW3/6                On

     Bus mouse port enabled                SW3/7               Off

      Bus mouse port disabled               SW3/7                On

     CMOS memory normal operation           W1                 Open

      CMOS memory clear                      W1                Closed

     Monitor type select color              W2                 Open
      (AMI BIOS)

      Monitor type select                    W2                Closed
      monochrome (AMI BIOS)

     Password enabled (MR BIOS)             W2                 Open

      Password disabled (MR BIOS)            W2                Closed

     Floppy drive interface                 W5                 Open
      address select 1F0-1F7h

      Floppy drive interface                 W5                Closed
      address select 170-177h

     IDE interface address select           W6                 Open
      3F1-3F7h

      IDE interface address select           W6                Closed
      371-377h

     Serial port (P1) select COM1           W7                 Open
      at address 3F8-3FFh

      Serial port (P1) select COM3           W7                Closed
      at address 3E8-3EFh

     Serial port (P2) select COM2           W8                 Open
      at address 2F8-2FFh

      Serial port (P2) select COM4           W8                Closed
      at address 2E8-2EFh

     Parallel port (P5) select              W9                 Open
      LPT1 at address 378-37Fh

      Parallel port (P5) select              W9                Closed
      LPT2 at address 278-27Fh

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

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

     4MB        (4) 1M x 9        NONE           NONE           NONE

     5MB        (4) 256K x 9   (4) 1M x 9        NONE           NONE

     6MB        (4) 256K x 9   (4) 256K x 9   (4) 1M x 9        NONE

     7MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9   (4) 1M x 9

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     9MB        (4) 256K x 9   (4) 1M x 9     (4) 1M x 9        NONE

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     10MB       (4) 256K x 9   (4) 256K x 9    (4) 1M x 9     (4) 1M x 9

     12MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9        NONE

     16MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     16MB       (4) 4M x 9         NONE           NONE           NONE

     17MB       (4) 256K x 9    (4) 4M x 9        NONE           NONE

     18MB       (4) 256K x 9   (4) 256K x 9    (4) 4M x 9        NONE

     20MB       (4) 1M x 9      (4) 4M x 9        NONE           NONE

     24MB       (4) 1M x 9      (4) 1M x 9     (4) 4M x 9        NONE

     28MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9     (4) 4M x 9

     32MB       (4) 4M x 9      (4) 4M x 9        NONE           NONE

     36MB       (4) 1M x 9      (4) 4M x 9     (4) 4M x 9        NONE

     40MB       (4) 1M x 9      (4) 1M x 9     (4) 4M x 9     (4) 4M x 9

     48MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9        NONE

     52MB       (4) 1M x 9      (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

     64MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

  Notes:Banks 2 and 3 are utilized when a 32-bit external memory card is
  installed at S1.

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

     64KB        (4) 8K x 8    (4) 8K x 8

     128KB       (4) 32K x 8      NONE

     256KB       (4) 32K x 8   (4) 32K x 8

                        CACHE JUMPER CONFIGURATION

    Size           W10            W11            W12             W13

    64KB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

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

    256KB       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

                          CPU TYPE CONFIGURATION

          Type                     W24                      W25

         80486SX                  Closed             pins 2 & 3 closed

         80486DX                   Open              pins 1 & 2, 3 & 4
                                                          closed

    BUS MOUSE IRQ CONFIGURATION

    IRQ         W3          W4

    IRQ2      Closed       Open

    IRQ5       Open       Closed

  Disabled     Open        Open

