ELITEGROUP COMPUTER SYSTEMS, INC.

AC 486 PGA

Processor              80486SX/80487SX/80486DX/80486DX2
Processor Speed        16/20/25/33/50(internal)/66(internal)MHz
Chip Set               ACC
Video Chip Set         None
Maximum Onboard Memory 32MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             254mm x 218mm
I/O Options            None
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Reset switch                J4

  Turbo LED                   J2       Speaker                     J5

  Turbo switch                J3       Power LED & keylock         J6

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Monitor type select color               JP1           Pins 2 & 3
                                                              closed

      Monitor type select monochrome          JP1           Pins 1 & 2
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       None

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

      4MB         (4) 1M x 9         None

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

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

      16MB        (4) 4M x 9         None

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

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

                            CPU TYPE SELECTION

        Type                JP3              JP4               JP5

  80486SX (primary)         N/A              Open           Pins 2 & 3
                                                              closed

  80487SX (upgrade)      Pins 1 & 2         Closed             N/A
                           closed

  80486DX (primary)         N/A              Open         Pins 1 & 2, 3 &
                                                             4 closed

  80486DX (upgrade)      Pins 2 & 3         Closed             N/A
                           closed

  80486DX2 (primary)        N/A              Open         Pins 1 & 2, 3 &
                                                             4 closed

  80486DX2 (upgrade)     Pins 2 & 3         Closed             N/A
                           closed

  Note: Primary CPU is CPU1 & upgrade CPU is CPU2.