NOVACOR, INC.

NOVAS VESA E734XL (REV.1C)

Processor          80386DX/CX486DLC/80486SX/80487SX/80486DX
Processor Speed    33/50(internal)/50/66(internal)MHz
Chip Set           EFAR
Max. onboard DRAM  32MB
Cache              32/64/128/256KB
BIOS               AMI
Dimensions         254mm x 218mm
I/O Options        32-bit VESA card slot (2)
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP2       Turbo LED                 JP36

  Power LED & keylock         JP27      Turbo switch              JP39

  Speaker                     JP29      32-bit VESA card slot      S1

  Reset switch                JP35      32-bit VESA card slot      S2

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

  »   CMOS memory normal operation             JP1           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP1           pins 1 & 2
                                                              closed

  »   CPU speed select ATCLK/2 (386            JP9           pins 1 & 2
      mode)                                                   closed

      CPU speed select ATCLK/1 (386            JP9           pins 2 & 3
      mode)                                                   closed

  »   Factory configured - do not alter        JP20            Open

  »   Factory configured - do not alter        JP40          pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP41          pins 2 & 3
                                                              closed

                    CACHE CONFIGURATION

     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 CONFIGURATION

    Size         JP13        JP14        JP15         JP16        JP21        JP22        JP23

    32KB          Open        Open      pins 2 &      Open      pins 1 &    pins 2 &    pins 2 & 3
                                           3                        2           3

    64KB          Open        Open      pins 2 &     Closed     pins 1 &    pins 1 &    pins 1 & 2
                                           3                        2           2

    128KB        Closed       Open      pins 1 &     Closed     pins 2 &    pins 1 &    pins 2 & 3
                                           2                        3           2

    256KB        Closed      Closed     pins 1 &     Closed     pins 1 &    pins 1 &    pins 1 & 2
                                           2                        2           2

              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

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

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

         VESA CPU TYPE (ID0 & ID1) CONFIGURATION

      CPU Type            JP31 (ID0)          JP32 (ID1)

        80386          pins 1 & 2 closed   pins 2 & 3 closed

        80486          pins 2 & 3 closed   pins 1 & 2 closed

          VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

    CPU speed        Wait states        JP30 (ID3)         JP34 (ID2)

      £ 33MHz       0 wait states        pins 1 & 2         pins 1 & 2
                                          closed             closed

      > 33MHz        1 wait state        pins 2 & 3         pins 2 & 3
                                          closed             closed

                VESA ID4 CONFIGURATION

          Setting                  JP33 (ID4)

  Reserved for future use      pins 2 & 3 closed

                          CPU TYPE CONFIGURATION

   Type     80386DX      CX486DLC     80486SX      80487SX      80486DX

   JP4      pins 1 &       N/A          N/A          N/A       pins 2 & 3
               2

   JP7      pins 1 &    pins 1 & 2    pins 2 &     pins 2 &    pins 2 & 3
               2                         3            3

   JP8      pins 1 &    pins 2 & 3    pins 1 &     pins 1 &    pins 1 & 2
               2                         2            2

   JP12       N/A          N/A          Open       pins 1 &    pins 2 & 3
                                                      2

   JP17       N/A          N/A        pins 2 &     pins 1 &    pins 1 & 2
                                         3            2

   JP18       N/A          N/A          Open        Closed       Closed

   JP19      Closed       Closed        Open         Open         Open

   JP25     pins 1 &       N/A          N/A          N/A       pins 2 & 3
               2

   JP26     pins 1 &       N/A          N/A          N/A       pins 2 & 3
               2

   JP28     pins 1 &       N/A          N/A          N/A       pins 2 & 3
               2

   JP31     pins 1 &    pins 1 & 2    pins 2 &     pins 2 &    pins 2 & 3
               2                         3            3

  Note: Pins designated should be in the closed position.