
ACER AMERICA CORPORATION

VI7

Processor   80486SX/AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/
            Pentium Overdrive/Pentium
Processor   25/33/40/50(internal)/50/60/66(internal)/66MHz
Speed
Chip Set    OPTI
Max.        128MB
Onboard
DRAM
Cache       256/512KB
BIOS        AMI
Dimensions  330mm x 218mm
I/O Options 32-bit VESA local bus slots (2)
NPU Options None

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose               Location

  External battery         BA2         Turbo switch        J2 (pins 15 -
                                                                17)

  Power LED &          J2 (pins 1 -    Reset switch        J2 (pins 19 -
  keylock                  5)                                   20)

  Speaker              J2 (pins 6 -    32-bit VESA           SL1 & SL2
                           10)         local bus slots

  Turbo LED           J2 (pins 12 -
                           13)

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP3              Open
      alter

     Factory configured - do not             JP7              Open
      alter

     Factory configured - do not             JP14          pins 1 & 2
      alter                                                   closed

     CMOS memory normal operation            JP27          pins 2 & 3
                                                              closed

      CMOS memory clear                       JP27          pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2          Bank 3

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

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

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

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

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

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

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

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

     8MB           NONE        (1) 1M x 36       NONE         (4) 1M x 9

     10MB        (1) 512K x    (1) 2M x 36       NONE            NONE
                    36

     12MB        (1) 512K x     (1) 512K x    (1) 2M x 36        NONE
                    36             36

     12MB       (1) 1M x 36    (1) 2M x 36       NONE            NONE

     12MB          NONE        (1) 2M x 36       NONE         (4) 1M x 9

     14MB        (1) 512K x    (1) 1M x 36    (1) 2M x 36        NONE
                    36

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

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

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

     16MB          NONE        (1) 1M x 36    (1) 2M x 36     (4) 1M x 9

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

     18MB        (1) 512K x    (1) 2M x 36    (1) 2M x 36        NONE
                    36

     18MB        (1) 512K x    (1) 2M x 36    (1) 2M x 36        NONE
                    36

     20MB       (1) 1M x 36    (1) 2M x 36    (1) 2M x 36        NONE

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

     20MB          NONE        (1) 2M x 36    (1) 2M x 36     (4) 1M x 9

     20MB          NONE        (1) 4M x 36       NONE         (4) 1M x 9

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

     24MB       (1) 2M x 36    (1) 4M x 36       NONE            NONE

     24MB       (1) 1M x 36    (1) 2M x 36    (1) 2M x 36     (4) 1M x 9

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

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

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

     32MB          NONE        (1) 4M x 36       NONE         (4) 4M x 9

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     34MB         (1) 512K x    (1) 8M x 36       NONE           NONE
                     36

     36MB         (1) 512K x    (1) 2M x 36    (1) 8M x 36       NONE
                     36

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

     36MB           NONE        (1) 8M x 36       NONE        (4) 1M x 9

     38MB         (1) 512K x    (1) 1M x 36    (1) 8M x 36       NONE
                     36

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

     40MB        (1) 2M x 36    (1) 8M x 36       NONE           NONE

     40MB           NONE        (1) 1M x 36    (1) 8M x 36    (4) 1M x 9

     42MB         (1) 512K x    (1) 2M x 36    (1) 8M x 36       NONE
                     36

     44MB        (1) 1M x 36    (1) 2M x 36    (1) 8M x 36       NONE

     44MB           NONE        (1) 2M x 36    (1) 8M x 36    (4) 1M x 9

     48MB        (1) 2M x 36    (1) 2M x 36    (1) 8M x 36       NONE

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

     48MB           NONE        (1) 8M x 36       NONE        (4) 1M x 9

     48MB        (1) 1M x 36    (1) 2M x 36    (1) 8M x 36    (4) 1M x 9

     50MB         (1) 512K x    (1) 4M x 36    (1) 8M x 36       NONE
                     36

     52MB        (1) 1M x 36    (1) 4M x 36    (1) 8M x 36       NONE

     52MB           NONE        (1) 4M x 36    (1) 8M x 36    (4) 1M x 9

     56MB        (1) 2M x 36    (1) 4M x 36    (1) 8M x 36       NONE

     56MB        (1) 1M x 36    (1) 4M x 36    (1) 8M x 36    (4) 1M x 9

     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

     64MB           NONE        (1) 4M x 36    (1) 8M x 36    (4) 4M x 9

     64MB           NONE           NONE           NONE       (4) 16M x 9

     66MB         (1) 512K x    (1) 8M x 36    (1) 8M x 36       NONE
                     36

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

     68MB           NONE        (1) 8M x 36    (1) 8M x 36    (4) 1M x 9

     72MB        (1) 1M x 36    (1) 8M x 36    (1) 8M x 36    (4) 1M x 9

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

     80MB           NONE        (1) 8M x 36    (1) 8M x 36    (4) 4M x 9

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

     96MB           NONE        (1) 8M x 36       NONE       (4) 16M x 9

     96MB        (1) 4M x 36    (1) 8M x 36    (1) 8M x 36    (4) 4M x 9

     128MB          NONE        (1) 8M x 36    (1) 8M x 36   (4) 16M x 9

                         DRAM JUMPER CONFIGURATION

   Size          JP13            JP15           JP16            JP17

    2MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    4MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    4MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    4MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

    6MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    6MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    8MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    8MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

    8MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   10MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   12MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   12MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   12MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   14MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   16MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   16MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   16MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   16MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   16MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   18MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   18MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   20MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   20MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   20MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   20MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   24MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   24MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   24MB      pins 2 & 3, 4       NONE         pins 2 & 3      pins 1 & 2
              & 5 closed                       closed          closed

   24MB      pins 2 & 3, 4       NONE         pins 2 & 3      pins 1 & 2
              & 5 closed                       closed          closed

   32MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   32MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   32MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   34MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   36MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   36MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   36MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

   38MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   40MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   40MB      pins 2 & 3, 4     pins 1 & 2     pins 1 & 2      pins 1 & 2
              & 5 closed        closed         closed          closed

   40MB      pins 2 & 3, 4       NONE           NONE          pins 1 & 2
              & 5 closed                                       closed

                     DRAM JUMPER CONFIGURATION (CONT)

    Size          JP13            JP15           JP16           JP17

    42MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    44MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    44MB      pins 2 & 3, 4       Open           Open         pins 1 & 2
               & 5 closed                                      closed

    48MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    48MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    48MB      pins 2 & 3, 4       Open           Open         pins 1 & 2
               & 5 closed                                      closed

    48MB      pins 2 & 3, 4       Open        pins 2 & 3      pins 1 & 2
               & 5 closed                       closed         closed

    50MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    52MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    52MB      pins 2 & 3, 4       Open           Open         pins 1 & 2
               & 5 closed                                      closed

    56MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    56MB      pins 2 & 3, 4       Open        pins 2 & 3      pins 1 & 2
               & 5 closed                       closed         closed

    64MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    64MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    64MB      pins 2 & 3, 4       Open           Open         pins 1 & 2
               & 5 closed                                      closed

    64MB      pins 1 & 2, 3       Open           Open         pins 2 & 3
               & 4 closed                                      closed

    66MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    68MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    68MB      pins 2 & 3, 4       Open           Open         pins 1 & 2
               & 5 closed                                      closed

    72MB      pins 2 & 3, 4       Open        pins 2 & 3      pins 1 & 2
               & 5 closed                       closed         closed

    80MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    80MB      pins 2 & 3, 4       Open           Open         pins 1 & 2
               & 5 closed                                      closed

    96MB      pins 2 & 3, 4    pins 1 & 2     pins 1 & 2      pins 1 & 2
               & 5 closed        closed         closed         closed

    96MB      pins 1 & 2, 3       Open           Open         pins 2 & 3
               & 4 closed                                      closed

    96MB      pins 2 & 3, 4       Open        pins 2 & 3      pins 1 & 2
               & 5 closed                       closed         closed

   128MB      pins 1 & 2, 3       Open           Open         pins 2 & 3
               & 4 closed                                      closed

                            CACHE CONFIGURATION

       Size         Bank 0      Bank 1     Bank 2     Bank 3       TAG

  256KB (80486)     (4) 32K     (4) 32K     NONE       NONE     (1) 32K x
                      x 8        x 8                                8

  256KB (Pentium)    NONE       (4) 32K     NONE      (4) 32K   (1) 32K x
                                 x 8                   x 8          8

  512KB (Pentium)   (4) 32K     (4) 32K    (4) 32K    (4) 32K   (1) 32K x
                      x 8        x 8        x 8        x 8          8

                        CACHE JUMPER CONFIGURATION

       Size          JP28        JP29       JP30       JP31       JP32

  256KB (80486)      1 & 2      1 & 2      2 & 3      1 & 2       2 & 3

  256KB (Pentium)    2 & 3       Open      2 & 3      2 & 3       1 & 2

  512KB (Pentium)    2 & 3      2 & 3      1 & 2      2 & 3       2 & 3

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

    Type     JP18    JP19    JP20    JP21   JP22    JP23    JP24    JP25

  80486SX    2 & 3   2 & 3   2 & 3   2 & 3  2 & 3   2 & 3   Open    Open

  80486DX    1 & 2   2 & 3   1 & 2   2 & 3  2 & 3   2 & 3   2 & 3   2 & 3

  80486DX2   1 & 2   2 & 3   1 & 2   2 & 3  2 & 3   2 & 3   2 & 3   2 & 3

    P24T     1 & 2   2 & 3   1 & 2   2 & 3  1 & 2   2 & 3   Open    Open

  Pentium    1 & 2   1 & 2   1 & 2   1 & 2  1 & 2   1 & 2   1 & 2   1 & 2

  Note: Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

  Speed    JP1    JP2   JP4    JP8       JP9      JP10     JP11     JP12

  25MHz    1 &    2 &   2 &    Open     Closed   Closed    Closed   1 & 2
            2     3      3

  33MHz    2 &    1 &   2 &    Open     Closed   Closed    Open     1 & 2
            3     2      3

  40MHz    1 &    1 &   2 &   Closed    Open     Closed    Closed   1 & 2
            2     2      3

  50iMHz   1 &    2 &   1 &    Open     Open     Closed    Open     1 & 2
            2     3      2

  50MHz    2 &    2 &   1 &   Closed    Open     Closed    Open     2 & 3
            3     3      2

  60MHz    2 &    1 &   2 &    Open     Closed    Open     Open     2 & 3
            3     2      3

  66iMHz   2 &    1 &   2 &    Open     Closed   Closed    Open     1 & 2
            3     2      3

  66MHz    2 &    1 &   2 &    Open     Closed    Open     Closed   2 & 3
            3     2      3

  Note: Pins designated should be in the closed position.

  VESA WAIT STATE CONFIGURATION

   Wait states          JP5

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        JP6

   <= 33MHz        Open

   > 33MHz        Closed

