
CACHE COMPUTERS, INC.

LYNX 486 WORKSTATION (Model 335)

Processor            80486SX/80487SX/80486DX
Processor Speed      33MHz
Chip Set             Unknown
Max. Onboard DRAM    64MB
Cache                64/128/256KB
BIOS                 AMI
Dimensions           330mm x 218mm
I/O Options          Parallel port, IDE interface, serial ports (2). PS/2
                     bus mouse, floppy drive interface, VGA port, video
                     option connector
NPU Options          4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            BAT      IDE interface LED           J3

  VGA port                    C1       Speaker                     J5

  PS/2 bus mouse              C2       Power LED & keylock         J6

  Parallel port               C3       Reset switch                J7

  Serial port 1               C4       Turbo switch               J800

  Serial port 2               C5       Turbo LED                  J801

  Floppy drive interface      FDD      Video option                VC

  IDE interface               HDD

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Floppy drive controller                 W1                Open
      (on-board) select primary

      Floppy drive controller                 W1               Closed
      (on-board) select secondary

     Monitor type select                     W3                Open
      monochrome

      Monitor type select color               W3               Closed

     IDE controller (on-board)               W4                Open
      select primary

      IDE controller (on-board)               W4               Closed
      select secondary

     Serial port 1 (C4) select               W5                Open
      COM1

      Serial port 1 (C4) select               W5               Closed
      COM3

     Serial port 2 (C5) select               W6                Open
      COM2

      Serial port 2 (C5) select               W6               Closed
      COM4

     Parallel port (C3) select               W8                Open
      LPT1

      Parallel port (C3) select               W8               Closed
      LPT2

     Factory configured - do not            W10                N/A
      alter

     Cache enabled                          W15                Open

      Cache disabled                         W15               Closed

     Color chip installed select           JP200               Open
      Sierra

      Color chip installed select           JP200              Closed
      Music

     Mouse port/Floppy controller          JP201              Closed
      enabled

      Mouse port/Floppy controller          JP201               Open
      disabled

     Video RAM installed select            JP205            pins 1 & 2
      512KB                                                    closed

      Video RAM installed select            JP205            pins 2 & 3
      1MB                                                      closed

     Video RAM speed select 80ns           JP207            pins 1 & 2
                                                               closed

      Video RAM speed select 100ns          JP207            pins 2 & 3
                                                               closed

     CMOS memory normal operation          JP504               Open

      CMOS memory clear                     JP504              Closed

     VGA enabled                           JP550            pins 1 & 2
                                                               closed

      VGA disabled                          JP550            pins 2 & 3
                                                               closed

     Oscillator installed select           JP705            pins 2 & 3
      Regular                                                  closed

      Oscillator installed select           JP705            pins 1 & 2
      Tri-state                                                closed

     Floppy disk controller                SW3/1               Off
      enabled

      Floppy disk controller                SW3/1                On
      disabled

     IDE controller enabled                SW3/2               Off

      IDE controller disabled               SW3/2                On

     Serial port 1 enabled                 SW3/3               Off

      Serial port 1 disabled                SW3/3                On

     Serial port 2 enabled                 SW3/4               Off

      Serial port 2 disabled                SW3/4                On

     Parallel port enabled                 SW3/5               Off

      Parallel port disabled                SW3/5                On

                            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    (1) 256K x        NONE
                                                  36

     4MB       (4) 256K x 9   (4) 256K x 9    (1) 256K x    (1) 256K x 36
                                                  36

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

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

     6MB        (4) 1M x 9    (4) 256K x 9    (1) 256K x        NONE
                                                  36

     7MB        (4) 1M x 9    (4) 256K x 9    (1) 256K x    (1) 256K x 36
                                                  36

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

     9MB        (4) 1M x 9     (4) 1M x 9     (1) 256K x        NONE
                                                  36

     10MB       (4) 1M x 9     (4) 1M x 9     (1) 256K x    (1) 256K x 36
                                                  36

     12MB       (4) 1M x 9     (4) 1M x 9    (1) 1M x 36        NONE

     13MB       (4) 1M x 9     (4) 1M x 9    (1) 1M x 36    (1) 256K x 36

     16MB       (4) 1M x 9     (4) 1M x 9    (1) 1M x 36     (1) 1M x 36

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

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

     18MB       (4) 4M x 9    (4) 256K x 9    (1) 256K x        NONE
                                                  36

     19MB       (4) 4M x 9    (4) 256K x 9    (1) 256K x    (1) 256K x 36
                                                  36

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

     21MB       (4) 4M x 9     (4) 1M x 9     (1) 256K x        NONE
                                                  36

     22MB       (4) 4M x 9     (4) 1M x 9     (1) 256K x    (1) 256K x 36
                                                  36

     24MB       (4) 4M x 9     (4) 1M x 9    (1) 1M x 36        NONE

     25MB       (4) 4M x 9     (4) 1M x 9    (1) 1M x 36    (1) 256K x 36

     28MB       (4) 4M x 9     (4) 1M x 9    (1) 1M x 36     (1) 1M x 36

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

     33MB       (4) 4M x 9     (4) 4M x 9     (1) 256K x        NONE
                                                  36

     34MB       (4) 4M x 9     (4) 4M x 9     (1) 256K x    (1) 256K x 36
                                                  36

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

     37MB       (4) 4M x 9     (4) 4M x 9    (1) 1M x 36    (1) 256K x 36

     40MB       (4) 4M x 9     (4) 4M x 9    (1) 1M x 36     (1) 1M x 36

     48MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36        NONE

     49MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36    (1) 256K x 36

     52MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36     (1) 1M x 36

     64MB       (4) 4M x 9     (4) 4M x 9    (1) 4M x 36     (1) 4M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

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

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

                        CACHE JUMPER CONFIGURATION

    Size           W9             W11            W16             W17

    64KB        pins 1 & 2     pins 1 & 2        Open         pins 2 & 3
                 closed          closed                        closed

    128KB       pins 2 & 3     pins 1 & 2     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              JP502              W7                W14

      80486SX          pins 2 & 3         Closed       pins 2 & 3 closed
                         closed

      80487SX          pins 1 & 2          Open        pins 1 & 2 and 3 &
                         closed                             4 closed

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

                            VIDEO CONFIGURATION

   VGA Resolution         SW10/1            SW10/2            SW10/3

  1024 x 768 @ 70Hz         On                On                On

  1024 x 768 @ 60Hz         Off               On                On

  1024 x 768 @ 43Hz         On                Off               On

  800 x 600 @ 70Hz          On                On                Off

  800 x 600 @ 60Hz          Off               On                Off

  800 x 600 @ 56Hz          Off               Off               On

  640 x 480 @ 70Hz          On                Off               Off

  640 x 480 @ 60Hz          Off               Off               Off

                      PAL CONFIGURATION

       Setting              JP221                JP222

       Enabled         pins 1 & 2 closed   pins 2 & 3 closed

      Disabled         pins 2 & 3 closed   pins 1 & 2 closed

