
ACER AMERICA CORPORATION

1100 16/20

Processor              80386SX
Processor Speed        16/20MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 2MB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            80387SX

[Image]

              CONNECTIONS

  Purpose                Location

  External battery          CN1

                        USER CONFIGURABLE SETTINGS

                Function                      Label          Position

      Monitor type select MDA/MGA/EGA         SW1/5            Off

      Monitor type select CGA                 SW1/5             On

                            DRAM CONFIGURATION

  Note: Board is shipped with 2MB. The orientation and bank location is
  unidentified.

                         DRAM SWITCH CONFIGURATION

         Setting                   SW1/7                   SW1/8

          Mode 3                    Off                      On

          Mode 4                    Off                     Off

  Note: BIOS resides in ROM in mode 3. In mode 4, it is transferred to
  RAM.

                            CPU SPEED SELECTION

                Speed                                SW1/6

             Smart mode                               On

                16MHz                                 Off

                20MHz                                 Off

  Note: If smart mode is used, system will automatically switch from
  16MHz/20MHz to 8MHz.

                            NPU TYPE SELECTION

        Type                JP6               JP7               JP8

  80387SX installed      Pins 1 & 2        Pins 1 & 2        Pins 2 & 3
                          closed            closed            closed

     80387SX not         Pins 2 & 3        Pins 2 & 3        Pins 1 & 2
      installed           closed            closed            closed

                       BIOS SELECTION

   Type       JP5      SW1/1     SW1/2     SW1/3     SW1/4

  27128      2 & 3      On         On       Off       Off

  27256      2 & 3      Off       Off        On        On

  27512      1 & 2      Off       Off        On        On

  Note: Pins designated should be in the closed position.

                       MISCELLANEOUS TECHNICAL NOTE

  Note: The location of pin 1 on the jumpers and switch are unidentified.

