
INTERCOMP, INC.

ILC VL33/486

Processor           80386DX/CX486DLC/80486SX/80486DX/80486DX2
Processor Speed     20/25/33/40/50(Internal)/50/66(Internal)MHz
Chip Set            Intercomp
Max. onboard DRAM   128MB
Cache               64/128/256KB
BIOS                AMI
Dimensions          330mm x 218mm
I/O Options         32-bit VESA local bus slots (2)
NPU Options         80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            P1        Turbo LED                 P16

  Speaker                     P13       Turbo switch              P17

  Power LED & keylock         P14       32-bit VESA local bus      S1
                                        slot

  Reset switch                P15       32-bit VESA local bus      S2
                                        slot

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     CMOS memory normal operation            P2            pins 2 & 3
      (Internal Battery)                                      closed

      CMOS memory normal operation            P2            pins 1 & 2
      (External Battery)                                      closed

      CMOS memory clear                       P2            pins 3 & 4
                                                              closed

     80486/50MHz CPU enabled                 P3              Closed

      80486/50Mhz CPU disabled                P3               Open

     Factory configured do not alter         P4               Open

     VESA local bus enable                   P7          pins 1 & 2, 3 &
                                                              4 open

      VESA local bus disable                  P7          pins 1 & 2, 3 &
                                                             4 closed

     Factory configured do not alter         P12           pins 3 & 6
                                                              closed

     NPU disabled (80387)                    P20           pins 2 & 3
                                                              closed

      NPU enabled (80387)                     P20           pins 1 & 2
                                                              closed

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

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

          16MB                  (4) 4M x 9                  NONE

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

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

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

          64MB                 (4) 16M x 9                  NONE

          65MB                 (4) 256K x 9             (4) 16M x 9

          68MB                  (4) 1M x 9              (4) 16M x 9

          80MB                  (4) 4M x 9              (4) 16M x 9

          128MB                (4) 16M x 9              (4) 16M x 9

  Note: If SIMMs on bank 0 are not present SIMMs located on bank 1 will
  be automatically re-mapped to Bank O.

                            CACHE CONFIGURATION

     Size          Bank 0        Bank 1          TAG          Dirty bit
                                                               (U38)

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

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

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

                        CACHE JUMPER CONFIGURATION

    CACHE       Main Memory              P5                    P6

    64KB            16MB         pins 1 & 2, 4 & 5,    pins 1 & 2, 4 & 5
                                    7 & 8 closed             closed

    64KB       > 16MB,  =32MB    pins 1 & 2, 4 & 5,    pins 1 & 2, 4 & 5
                                    7 & 8 closed             closed

    128KB           32MB         pins 2 & 3, 4 & 5,    pins 2 & 3, 4 & 5
                                    8 & 9 closed             closed

    128KB      > 32MB,  =64MB    pins 2 & 3, 4 & 5,    pins 2 & 3, 4 & 5
                                    7 & 8 closed             closed

    256KB           32MB         pins 2 & 3, 5 & 6,    pins 2 & 3, 5 & 6
                                    8 & 9 closed             closed

    256KB      > 32MB,  =64MB    pins 2 & 3, 5 & 6,    pins 2 & 3, 5 & 6
                                    7 & 8 closed             closed

                          CPU SPEED CONFIGURATION

           Speed                      P3                     P19

        80386DX20/25                 Open            pins 1 & 5, 2 & 6, 4
                                                         & 8 closed

         80386DX/33                  Open            pins 1 & 5, 3 & 7, 4
                                                         & 8 closed

        CX486DLC/40                  Open             pins 1 & 5, 2 & 6
                                                           closed

         80486SX/20                  Open             pins 2 & 6, 3 & 7
                                                           closed

         80486SX/25                  Open             pins 2 & 6, 4 & 8
                                                           closed

         80486DX25                   Open             pins 2 & 6, 4 & 8
                                                           closed

         80486DX33                   Open             pins 3 & 7, 4 & 8
                                                           closed

         80486DX50                  Closed            pins 3 & 7 closed

        80486DX2/66                  Open             pins 3 & 7, 4 & 8
                                                           closed

                          CPU TYPE CONFIGURATION

      CPU            P10            P11            P18            P21

    80386DX       pins 1 & 2        Open          Open          Closed
                    closed

    80486SX       pins 2 & 3     pins 1 & 2       Closed         Open
                    closed         closed        closed

    80486DX       pins 2 & 3     pins 2 & 3       Closed         Open
                    closed         closed        closed

    80486DX2      pins 2 & 3     pins 2 & 3       Closed         Open
                    closed         closed        closed

  Note:The VESA slots are disabled (by P10) when using a 80386 or
  CX486DLC

            NPU CONFIGURATION

         NPU                 P20

        None          pins 2 & 3 closed

        80387         pins 1 & 2 closed

        3167          pins 2 & 3 closed

