
AST RESEARCH, INC.

ADVANTAGE+ (CHINA) 486 (202676-F08)

Processor       80486SX/80486DX/CX486DX2/80486DX2/CX5X86
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set        Unidentified
Max. Onboard    20MB
DRAM
Cache           None
BIOS            Unidentified
Dimensions      220mm x 220mm
I/O Options     Floppy drive interface, IDE interface, parallel port, PS/2
                mouse port, serial port, VGA feature connector, VGA port,
                riser slot
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  VGA port                   CN1      IDE interface LED            E13

  Parallel port              CN2      VGA feature connector        J19

  Serial port                CN3      IDE interface                J22

  PS/2 mouse port            CN4      Floppy drive interface       J24

  Reset switch               E11      Chassis fan power            J28

  Power LED                  E12      Riser slot                   SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              E1              Open
      alter

     Factory configured - do not              E2              Open
      alter

     On board video enabled                   E3             Closed

      On board video disabled                  E3              Open

     Monitor type select color                E4              Open

      Monitor type select monochrome           E4             Closed

     Password enabled                         E5              Open

      Password disabled                        E5             Closed

     Factory configured - do not              E8              Open
      alter

     Flash BIOS normal operation             E14              Open

      Flash BIOS force update at boot         E14             Closed

     Factory configured - do not             E16              Open
      alter

                      DRAM CONFIGURATION

        Size                Bank 0               Bank 1

         4MB                 4MB                  NONE

         5MB                 4MB             (1) 256K x 32

         8MB                 4MB              (1) 4M x 32

        20MB                 4MB              (1) 4M x 32

  Note: Bank 0 is factory installed and is not configurable.

                          CPU TYPE CONFIGURATION

      Type            E6            E7            E9             E10

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

    80486DX       pins 1 & 2      Closed       pins 2 & 3     pins 2 & 3
                    closed                      closed          closed

    80486DX2      pins 1 & 2      Closed       pins 2 & 3     pins 2 & 3
                    closed                      closed          closed

  Note: Upgrades are not supported. These settings are for reference
  only.

