AST RESEARCH, INC.

ADVANTAGE! 610/611 486 (202728-101)

Processor   80486SX/80487SX/ODP486/ODPR486/80486DX/80486DX2/P24T/CX5X86
Processor   33/66(internal)/100(internal)MHz
Speed
Chip Set    Unidentified
Max.        32MB
Onboard
DRAM
Cache       None
BIOS        AST
Dimensions  220mm x 220mm
I/O Options Floppy drive interface, IDE interface, parallel port, PS/2
            mouse port, serial port, 8514 video pass through, VGA port,
            riser slot, CD audio connector, MIDI/joystick port header, line
            out connector, microphone connector, line in connector, speaker
            out connector
NPU Options None

[Image]

                                CONNECTIONS

  Purpose               Location     Purpose                   Location

  Line out connector       CN1       Power LED                    E12

  Microphone               CN2       IDE interface LED            E13
  connector

  Line in connector        CN3       CD audio connector           J2

  Speaker out              CN4       MIDI/joystick port           J4
  connector                          header

  PS/2 mouse port          CN5       8514 video pass              J19
                                     through connector

  Serial port              CN6       IDE interface                J22

  Parallel port            CN7       Floppy drive                 J24
                                     interface

  VGA port                 CN8       Chassis fan power            J28

  Reset switch             E11       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             E17           Pins 2 & 3
      alter                                                   closed

  »   Factory configured - do not             E18              Open
      alter

  Note: The location of jumpers E1, E8 are unidentified.

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       4MB         (1) 1M x 32          None

       5MB         (1) 1M x 32     (1) 256K x 32

       8MB         (1) 4M x 32          None

      16MB         (1) 4M x 32      (1) 4M x 32

      17MB         (1) 4M x 32     (1) 256K x 32

      20MB         (1) 4M x 32      (1) 1M x 32

      32MB         (1) 4M x 32      (1) 4M x 32

                          CPU TYPE CONFIGURATION

      Type            E6            E7            E9             E10

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

    80487SX       Pins 1 & 2      Closed       Pins 1 & 2     Pins 2 & 3
                    closed                      closed          closed

     ODP486       Pins 1 & 2      Closed       Pins 1 & 2     Pins 2 & 3
                    closed                      closed          closed

    ODPR486       Pins 1 & 2      Closed       Pins 2 & 3     Pins 2 & 3
                    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

      P24T        Pins 2 & 3      Closed       Pins 2 & 3     Pins 2 & 3
                    closed                      closed          closed

  Note: Board will only accept 3.345v CPU’s.