GENOA SYSTEMS CORPORATION

UL486

Processor              80486SX/80486DX/80486DX2
Processor Speed        16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set               UMC
Max. Onboard DRAM      32MB
Cache                  64/128/256KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            32-bit external memory card
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J1        Speaker                     J5

  Turbo LED                  J2        Power LED & keylock         J6

  Turbo switch               J3        32-bit external             S1
                                       memory card

  Reset switch               J4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          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) 1 M 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

                            CACHE CONFIGURATION

  Size          Bank 0                Bank 1                  TAG

  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 CONFIGURATION

  Size     JP6   JP7     JP8       JP9      JP10     JP11   JP12    JP13

  64MB     1 &   1 &    Open      Open      Open     Open   Open    1 & 2
           2      2

  128MB    2 &   1 &    Closed    Closed    Open     Open    1 &    2 & 3
           3      2                                          2

  256MB    2 &   2 &    Closed    Closed   Closed    JP8     2 &    1 & 2
           3      3                                          3

  Note: Pins designated should be in the closed position.

                    CPU TYPE CONFIGURATION

        Type                 JP17                 JP18

       80486SX         pins 2 & 3 closed          Open

       80486DX         pins 1 & 2 closed         Closed

      80486DX2         pins 1 & 2 closed         Closed