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       # 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                                       
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |   JP2    | Turbo LED         |   JP36   |
          |------------------+----------+-------------------+----------|
          | Power LED &      |   JP27   | Turbo switch      |   JP39   |
          | keylock          |          |                   |          |
          |------------------+----------+-------------------+----------|
          | Speaker          |   JP29   | 32-bit VESA card  |    S1    |
          |                  |          | slot              |          |
          |------------------+----------+-------------------+----------|
          | Reset switch     |   JP35   | 32-bit VESA card  |    S2    |
          |                  |          | slot              |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 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      |  JP20  |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP40  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP41  | pins 2 & 3 |
          |   | alter                            |        |   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    |      |   2    |   3    | & 3  |
          |-----+------+------+--------+------+--------+--------+------|
          |64KB | Open | Open |pins 2 &|Closed|pins 1 &|pins 1 &|pins 1|
          |     |      |      |   3    |      |   2    |   2    | & 2  |
          |-----+------+------+--------+------+--------+--------+------|
          |128KB|Closed| Open |pins 1 &|Closed|pins 2 &|pins 1 &|pins 2|
          |     |      |      |   2    |      |   3    |   2    | & 3  |
          |-----+------+------+--------+------+--------+--------+------|
          |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  |
          |      |    2     |          |          |          |   & 3   |
          |------+----------+----------+----------+----------+---------|
          | JP7  | pins 1 & | pins 1 & | pins 2 & | pins 2 & | pins 2  |
          |      |    2     |    2     |    3     |    3     |   & 3   |
          |------+----------+----------+----------+----------+---------|
          | JP8  | pins 1 & | pins 2 & | pins 1 & | pins 1 & | pins 1  |
          |      |    2     |    3     |    2     |    2     |   & 2   |
          |------+----------+----------+----------+----------+---------|
          | JP12 |   N/A    |   N/A    |   Open   | pins 1 & | pins 2  |
          |      |          |          |          |    2     |   & 3   |
          |------+----------+----------+----------+----------+---------|
          | JP17 |   N/A    |   N/A    | pins 2 & | pins 1 & | pins 1  |
          |      |          |          |    3     |    2     |   & 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  |
          |      |    2     |          |          |          |   & 3   |
          |------+----------+----------+----------+----------+---------|
          | JP26 | pins 1 & |   N/A    |   N/A    |   N/A    | pins 2  |
          |      |    2     |          |          |          |   & 3   |
          |------+----------+----------+----------+----------+---------|
          | JP28 | pins 1 & |   N/A    |   N/A    |   N/A    | pins 2  |
          |      |    2     |          |          |          |   & 3   |
          |------+----------+----------+----------+----------+---------|
          | JP31 | pins 1 & | pins 1 & | pins 2 & | pins 2 & | pins 2  |
          |      |    2     |    2     |    3     |    3     |   & 3   |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+