ACER, INC.

V-12

Processor              80486SX/80486DX/80486DX2
Processor Speed        25/33/40/50(internal)/50/66(internal)MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 128MB
Maximum Video Memory   None
Cache                  128/256KB
BIOS                   Unidentified
Dimensions             254mm x 218mm
I/O Options            32-bit VESA local bus slots (3), green PC connector
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose              Location      Purpose                 Location

  External battery       JP6         Green PC connector    JP12 pins 15 -
                                                                17

  Power LED &        JP12 pins 1 -   Reset switch          JP12 pins 19 &
  keylock                 5                                     20

  Speaker            JP12 pins 7 -   Chassis fan power         JP30
                          10

  Green PC LED       JP12 pins 12    32-bit VESA local       SL1 - SL3
                         & 13        bus slots

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not           JP4          Unidentified
      alter

  »   CMOS memory normal operation          JP5              Open

      CMOS memory clear                     JP5        Pins 2 & 3 closed

  »   Factory configured - do not           JP7          Unidentified
      alter

  »   Factory configured - do not           JP8          Unidentified
      alter

  »   Factory configured - do not          JP10          Unidentified
      alter

  »   Factory configured - do not          JP36          Unidentified
      alter

                   DRAM CONFIGURATION

       Size             Bank 0             Bank 1

       1MB           (4) 256K x 9           None

       1MB               None           (4) 256K x 9

       2MB           (4) 256K x 9       (4) 256K x 9

       4MB            (4) 1M x 9            None

       4MB               None            (4) 1M x 9

       5MB           (4) 256K x 9        (4) 1M x 9

       5MB            (4) 1M x 9        (4) 256K x 9

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

       16MB           (4) 4M x 9            None

       16MB              None            (4) 4M x 9

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

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

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

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

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

       64MB           (4) 16M x 9           None

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

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

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

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

  Note: The location of banks 0 & 1 are unidentified.

                  CACHE CONFIGURATION

       Size             Bank 0             Bank 1

      128KB           (4) 32K x 8           None

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

  Note: The location of banks 0 & 1 are unidentified.

                        CACHE JUMPER CONFIGURATION

      Size               JP1               JP2                 JP3

      128KB           Pins 2 & 3        Pins 2 & 3      Pins 1 & 2 closed
                       closed             closed

      256KB           Pins 1 & 2        Pins 1 & 2      Pins 2 & 3 closed
                       closed             closed

                         CPU SPEED SELECTION

               Speed                              JP11

               25MHz                Pins 1 & 2, 3 & 4, 5 & 6 closed

               33MHz                    Pins 1 & 2, 3 & 4 closed

               40MHz                    Pins 1 & 2, 5 & 6 closed

              50iMHz                Pins 1 & 2, 3 & 4, 5 & 6 closed

               50MHz                       Pins 1 & 2 closed

              66iMHz                    Pins 1 & 2, 3 & 4 closed

          VL BUS SPEED SELECTION

        Speed                JP14

      <= 33MHz        Pins 1 & 2 closed

       >33 MHz        Pins 3 & 4 closed