
NIC TECHNOLOGY, INC.

CQH486V VESA

Processor         80486SX/80486DX/80486DX2
Processor Speed   20/25/33/50(internal)/50/66(internal)
Chip Set          UNI
Max. Onboard DRAM 32MB
SRAM Cache        64/128/256KB
BIOS              AMI
Dimensions        280mm x 220mm
I/O Options       32-bit VESA card slot (2)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP17      Turbo LED                 TLED

  Power LED & keylock         KEYL      Turbo switch               TSW

  Reset switch                RSW       32-bit VESA card           S1

  Speaker                     SPK       32-bit VESA card           S2

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color               JP12             open

      Monitor type select monochrome          JP12            closed

     CMOS memory normal operation            JP16           pins 1 & 2
                                                              closed

      CMOS memory clear                       JP16           pins 2 & 3
                                                              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

      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 CONFIGURATION

          Type                  Jumper JP2               Jumper JP3

     80486DX2 (PGA)        pins 1 & 2 and 3 & 4      pins 2 & 3 closed
                                  closed

      80486DX (PGA)        pins 1 & 2 and 3 & 4      pins 2 & 3 closed
                                  closed

      80486SX (PGA)         pins 2 & 3 closed               open

     80486SX (PQFP)                open                     open

                          CPU SPEED CONFIGURATION

      Speed         ID2       ID3     JP33     JP72      JP100     JP101

      66MHz       closed    closed     pins    open     closed     pins 2
   (internal)                         2 & 3                         & 3

      50MHz       closed    closed     pins    open      open      pins 2
                                      1 & 2                         & 3

      50 MHz      closed     open      pins   closed     open      pins 1
   (internal)                         2 & 3                         & 2

      33MHz       closed    closed     pins    open     closed     pins 2
                                      2 & 3                         & 3

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

                  SRAM JUMPER CONFIGURATION

        Size              Jumper JP7           Jumper JP8

        64KB           pins 2 & 3 closed          open

        128KB          pins 1 & 2 closed   pins 2 & 3 closed

        256KB          pins 1 & 2 closed   pins 1 & 2 closed

                    SRAM CONFIGURATION

     Size        Cache SRAM      Location         TAG

     64KB        (8) 8K x 8    Banks 0 & 1    (1) 8K x 8

     128KB      (4) 32K x 8       Bank 0      (1) 8K x 8

     256KB      (8) 32K x 8    Banks 0 & 1    (1) 32K x 8

