QDI COMPUTER, INC.

US486 P3

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   25/33/40/50(internal)/50/66(internal)MHz
Chip Set          UMC
Maximum Onboard   128MB
Memory
Cache             32/64/128/256KB
BIOS              AMI
Dimensions        250mm x 220mm
I/O Options       32-bit VESA local bus slots (3)
NPU Options       None

[Image]

                                CONNECTIONS

       Function            Label            Function            Label

  External battery           J2        Speaker                   JP12

  Reset switch              JP9        Power LED & keylock       JP13

  Turbo switch              JP10       32-bit VESA local      SL1 - SL3
                                       bus slots

  Turbo LED                 JP11

                        USER CONFIGURABLE SETTINGS

                 Setting                      Label          Position

  »   Jumper information unavailable           JP4             N/A

                     DRAM

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

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

      16MB        (4) 4M x 9         None

      17MB        (4) 4M x 9     (4) 256K x 9

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

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

      64MB        (4) 16M x 9        None

     128MB        (4) 16M x 9    (4) 16M x 9

                        CACHE SIZE

     Size          Bank 0         Bank 1          TAG

     32KB        (4) 8K x 8        None       (1) 8K x 8

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        None       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                               CACHE JUMPER

     Size          JP1            JP2            JP3             JP5

     32KB          Open           Open          Open            Open

     64KB         Closed          Open          Open            Open

    128KB         Closed         Closed         Open          Pins 2 & 3
                                                               closed

    256KB         Closed         Closed        Closed         Pins 1 & 2
                                                               closed

                                 CPU TYPE

     Setting          JP6          JP7            JP8            JP14

     80486SX         2 & 3         Open           Open           1 & 2

     80487SX       1 & 2, 3 &     1 & 2           Open           1 & 2
                       4

  80486DX-25/33    1 & 2, 3 &     2 & 3           Open           1 & 2
                       4

  80486DX-40/50    1 & 2, 3 &     2 & 3          Closed          2 & 3
                       4

    80486DX2       1 & 2, 3 &     2 & 3           Open           1 & 2
                       4

  Note: Pins designated should be in the closed position.

                 CPU SPEED

  Setting     JP15       JP16      JP17

   25MHz      Open       Open     Closed

   33MHz     Closed      Open      Open

   40MHz     Closed     Closed     Open

  50iMHz      Open       Open     Closed

   50MHz      Open      Closed     Open

  66iMHz     Closed      Open      Open