
LION COMPUTERS, INC.

NICE PLUS 486 DX/SX-50

Processor         80486SX/80487SX/80486DX
Processor Speed   16/20/25/33/50MHz
Chip Set          ETEQ
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI/MR/Phoenix
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Turbo LED                 JP0       Power LED & keylock         JP3

  Turbo switch              JP0A      External battery            JP21

  Reset switch              JP1       32-bit external memory       S1
                                      card

  Speaker                   JP2

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     NPU wait states select 0                JP16             Open

      NPU wait state select 1                 JP16            Closed

     CMOS memory normal operation            JP17             Open

      CMOS memory clear                       JP17            Closed

     Factory configured - do not alter       JP18            Closed

     Monitor type select color               JP20            Closed

      Monitor type select monochrome          JP20             Open

              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

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

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

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

                    CACHE CONFIGURATION

     Size          Bank 0          TAG         Location

     64KB        (8) 8K x 8     (1) 8K x 8       U205

     64KB        (8) 8K x 8    (2) 16K x 4    U501 & U502

     256KB      (8) 32K x 8    (2) 16K x 4    U501 & U502

                 CACHE JUMPER CONFIGURATION

   Size      JP10      JP11       JP12      JP13      JP14

   64KB      Open      Open       Open     2 & 3     2 & 3

  256KB     Closed    Closed     Closed    1 & 2     1 & 2

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

     Type           JP5            JP6           JP8             JP9

    80486SX         Open          Open        pins 1 & 2        Open
                                                closed

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

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

                          CPU SPEED CONFIGURATION

    Speed          JP0B           JP0C            JP4            JP7

    16MHz       pins 1 & 2      pins 1 & 2      Closed        pins 1 & 2
                  closed         closed                        closed

    20MHz       pins 1 & 2      pins 1 & 2      Closed        pins 1 & 2
                  closed         closed                        closed

    25MHz       pins 2 & 3      pins 1 & 2      Closed        pins 1 & 2
                  closed         closed                        closed

    33MHz       pins 2 & 3      pins 1 & 2       Open         pins 1 & 2
                  closed         closed                        closed

    50MHz       pins 2 & 3      pins 2 & 3       Open         pins 2 & 4
                  closed         closed                        closed

