
ACER, INC.

VI15G

Processor  80486SX/CX486DX/AMD486DX/80486DX/ODP486SX/CX486DX2/AMD486DXL/AMD486DX2/80486DX2
Processor  25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set   SIS
Max.       128MB
Onboard
DRAM
Cache      128/256/512KB
BIOS       AMI
Dimensions 254mm x 220mm
I/O        32-bit VESA local bus slots (3), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  External battery         J1         Turbo LED (green      J4 (pins 12 -
                                      PC LED)                   13)

  Chassis fan power        J2         Turbo switch          J4 (pins 15 -
                                      (green PC break)          16)

  Chassis fan power        J3         Reset switch          J4 (pins 19 -
                                                                20)

  Power LED &          J4 (pins 1 -   32-bit VESA local      SL1 - SL3
  keylock                  5)         bus slots

  Speaker              J4 (pins 6 -
                           10)

  Note: The location of J3 is unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP6           pins 1 & 2
                                                              closed

      CMOS memory clear                       JP6           pins 2 & 3
                                                              closed

     Factory configured - do not             JP7              Open
      alter

     Factory configured - do not             JP8              Open
      alter

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2          Bank 3

     1MB         (1) 256K x       NONE           NONE            NONE
                    36

     2MB         (1) 256K x     (1) 256K x       NONE            NONE
                    36             36

     2MB         (1) 512K x       NONE           NONE            NONE
                    36

     4MB         (1) 256K x     (1) 256K x     (1) 512K x        NONE
                    36             36             36

     4MB         (1) 512K x     (1) 512K x       NONE            NONE
                    36             36

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

     5MB         (1) 256K x    (1) 1M x 36       NONE            NONE
                    36

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

     6MB         (1) 512K x    (1) 1M x 36       NONE            NONE
                    36

     8MB         (1) 256K x     (1) 256K x     (1) 512K x    (1) 1M x 36
                    36             36             36

     8MB         (1) 512K x     (1) 512K x    (1) 1M x 36        NONE
                    36             36

     8MB        (1) 1M x 36    (1) 1M x 36       NONE            NONE

     8MB        (1) 2M x 36       NONE           NONE            NONE

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

     12MB        (1) 512K x     (1) 512K x    (1) 1M x 36    (1) 1M x 36
                    36             36

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

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

     16MB       (1) 2M x 36    (1) 2M x 36       NONE            NONE

     16MB       (1) 4M x 36       NONE           NONE            NONE

     17MB        (1) 256K x    (1) 4M x 36       NONE            NONE
                    36

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

     18MB        (1) 512K x    (1) 4M x 36       NONE            NONE
                    36

     20MB        (1) 512K x     (1) 512K x    (1) 4M x 36        NONE
                    36             36

     20MB       (1) 1M x 36    (1) 4M x 36       NONE            NONE

     24MB        (1) 512K x     (1) 512K x    (1) 1M x 36    (1) 4M x 36
                    36             36

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

     24MB       (1) 2M x 36    (1) 2M x 36    (1) 2M x 36        NONE

     32MB       (1) 2M x 36    (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 4M x 36    (1) 4M x 36       NONE            NONE

     32MB       (1) 8M x 36       NONE           NONE            NONE

     36MB        (1) 512K x     (1) 512K x    (1) 4M x 36    (1) 4M x 36
                    36             36

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

     36MB       (1) 1M x 36    (1) 8M x 36       NONE            NONE

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

     40MB       (1) 1M x 36    (1) 1M x 36    (1) 8M x 36        NONE

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

     48MB       (1) 4M x 36    (1) 8M x 36       NONE            NONE

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

     64MB        (1) 16M x 36      NONE           NONE           NONE

     64MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36       NONE

     64MB        (1) 8M x 36    (1) 8M x 36       NONE           NONE

     65MB         (1) 256K x     (1) 16M x        NONE           NONE
                     36             36

     68MB        (1) 1M x 36     (1) 16M x        NONE           NONE
                                    36

     68MB        (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     72MB        (1) 1M x 36    (1) 1M x 36     (1) 16M x        NONE
                                                   36

     72MB        (1) 1M x 36    (1) 1M x 36    (1) 8M x 36   (1) 8M x 36

     80MB        (1) 4M x 36     (1) 16M x        NONE           NONE
                                    36

     80MB        (1) 4M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     96MB        (1) 4M x 36    (1) 4M x 36     (1) 16M x        NONE
                                                   36

     96MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36   (1) 8M x 36

     96MB        (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     128MB       (1) 16M x 36    (1) 16M x        NONE           NONE
                                    36

     128MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

              CACHE CONFIGURATION

      Size          Bank 0          Bank 1

     128KB        (4) 32K x 8        NONE

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

     256KB        (4) 64K x 8        NONE

     512KB        (4) 128K x 8       NONE

                        CACHE JUMPER CONFIGURATION

         Size                     JP1                       JP2

         128KB           pins 1 & 2, 4 & 5, 8 &    pins 1 & 2, 4 & 5, 8 &
                                9 closed                 9 closed

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

         256KB           pins 1 & 2, 5 & 6, 8 &    pins 1 & 2, 4 & 5, 8 &
                                9 closed                 9 closed

         512KB           pins 1 & 2, 5 & 6, 7 &    pins 1 & 2, 4 & 5, 7 &
                                8 closed                 8 closed

                          CPU TYPE CONFIGURATION

        Type             JP9        JP10         JP13           JP23

       CX486S           2 & 3       2 & 3       1 & 2       2 & 3, 5 & 6,
                                                               7 & 8

      SL80486SX         1 & 2       1 & 2       1 & 2       3 & 4, 5 & 6,
                                                               7 & 8

       80486SX          1 & 2       1 & 2        Open          6 & 7

      AMD486DXL         2 & 3       2 & 3       2 & 3       5 & 6, 7 & 8

     80486DX/DX2        1 & 2       1 & 2        Open       5 & 6, 7 & 8

        P24D            1 & 2       2 & 3       1 & 2       1 & 2, 3 & 4,
                                                            5 & 6, 7 & 8

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

        Type             JP24         JP25          JP26         JP27

       CX486S         2 & 3, 7 &      2 & 3        4 & 5       2 & 3, 7 &
                          8                                        8

     SL80486SX          7 & 8         Open       1 & 2, 5 &    4 & 5, 7 &
                                                     6             8

      80486SX            Open         Open          Open         7 & 8

     AMD486DXL        3 & 4, 5 &      Open          Open         7 & 8
                          6

    80486DX/DX2         7 & 8         Open          Open         7 & 8

        P24D            7 & 8       1 & 2, 5 &   2 & 3, 5 &    4 & 5, 6 &
                                        6         6, 7 & 8         7

  Note: Pins designated should be in the closed position.

                CPU SPEED CONFIGURATION

           Speed                       JP11

           25MHz             pins 1 & 2, 5 & 6 closed

           33MHz             pins 1 & 2, 3 & 4 closed

           40MHz                 pins 5 & 6 closed

           50iMHz            pins 1 & 2, 5 & 6 closed

           50MHz                 pins 3 & 4 closed

           66iMHz            pins 1 & 2, 3 & 4 closed

      VESA WAIT STATE CONFIGURATION

     Wait states             JP18

    0 wait states     pins 1 & 2 closed

    1 wait state      pins 2 & 3 closed

         BUS SPEED CONFIGURATION

      CPU speed              JP19

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed

