J-BOND COMPUTER SYSTEMS CORPORATION

486-33/25/20E

Processor              80486SX/80487SX/80486DX/80486DX2/P24T
Processor Speed        20/25/33/50(internal)/66(internal)MHz
Chip Set               OPTI
Video Chip Set         None
Maximum Onboard Memory 32MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI/Award
Dimensions             254mm x 218mm
I/O Options            None
NPU Options            4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Turbo switch                J5

  Reset switch                J2       Speaker                     J6

  Turbo LED                   J3       Power LED & keylock         J7

                        USER CONFIGURABLE SETTINGS

                Function                      Label          Position

      Turbo enabled (selectable with           X4           Pins 1 & 2
      turbo switch on case)                                   closed

      Turbo enabled (selectable through        X4           Pins 2 & 3
      keyboard CTRL, ALT +/-                                  closed

      Turbo enabled (continuous turbo          X4              Open
      mode)

              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

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

                         CPU TYPE SELECTION

    Type        W1          W2         W3          W4         W5

  80486SX      Open        Open       Open       Closed      Open

  80487SX      Open       Closed     Closed       Open      Closed

  80486DX     Closed       Open      Closed       Open      Closed

  80486DX2    Closed       Open      Closed       Open      Closed

    P24T       Open       Closed     Closed       Open      Closed