INTERCOMP, INC.
===============

   ILC VL3/486

   Processor           80386DX/CX486DLC/80486SX/80486DX/80486DX2  
   Processor Speed     16/20/25/33/40/50/66(Internal)MHz          
   Chip Set            Intercomp                                  
   Max. onboard DRAM   128MB                                      
   Cache               64/128/256KB                               
   BIOS                AMI                                        
   Dimensions          330mm x 218mm                              
   I/O Options         32-bit VESA local bus slots (2)            
   NPU Options         80387DX                                    

<gopher://bitreich.org/I/th99/m/I-L/31467-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    P1    | Turbo LED         |   P16    |
   |------------------+----------+-------------------+----------|
   | Speaker          |   P13    | Turbo switch      |   P17    |
   |------------------+----------+-------------------+----------|
   | Power LED &      |   P14    | 32-bit VESA local |    S1    |
   | keylock          |          | bus slot          |          |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   P15    | 32-bit VESA local |    S2    |
   |                  |          | bus slot          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              | Jumper |   Position    |
   |-----------------------------------+--------+---------------|
   |>> | CMOS memory normal operation  |   P2   |  pins 2 & 3   |
   |   | (Internal Battery)            |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | CMOS memory normal operation  |   P2   |  pins 1 & 2   |
   |   | (External Battery)            |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | CMOS memory clear             |   P2   |  pins 3 & 4   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | 80486/50MHz CPU enabled       |   P3   |    Closed     |
   |---+-------------------------------+--------+---------------|
   |   | 80486/50Mhz CPU disabled      |   P3   |     Open      |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured do not     |   P4   |     Open      |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Bus type select VESA          |   P7   | pins 1 & 2, 3 |
   |   |                               |        |   & 4 open    |
   |---+-------------------------------+--------+---------------|
   |   | Bus type select ISA           |   P7   | pins 1 & 2, 3 |
   |   |                               |        |  & 4 closed   |
   |---+-------------------------------+--------+---------------|
   |>> | VESA local bus enabled        |  P10   |  pins 1 & 2   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | VESA local bus disabled       |  P10   |  pins 2 & 3   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured do not     |  P12   |  pins 3 & 6   |
   |   | alter                         |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | NPU disabled                  |  P20   |  pins 2 & 3   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | NPU enabled                   |  P20   |  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) 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      |
   |---------------+----------------------+---------------------|
   |     64MB      |     (4) 16M x 9      |        NONE         |
   |---------------+----------------------+---------------------|
   |     65MB      |     (4) 256K x 9     |     (4) 16M x 9     |
   |---------------+----------------------+---------------------|
   |     68MB      |      (4) 1M x 9      |     (4) 16M x 9     |
   |---------------+----------------------+---------------------|
   |     80MB      |      (4) 4M x 9      |     (4) 16M x 9     |
   |---------------+----------------------+---------------------|
   |     128MB     |     (4) 16M x 9      |     (4) 16M x 9     |
   |------------------------------------------------------------|
   | Note: If SIMMs on bank 0 are not present SIMMs located on  |
   | bank 1 will be automatically re-mapped to Bank O.          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |    Cache    | Location  |    TAG     |  Dirty bit  |
   |       |             |           |            |     U38     |
   |-------+-------------+-----------+------------+-------------|
   | 64KB  | (8) 8K x 8  | Banks 0 & | (1) 8K x 8 | (1) 16K x 4 |
   |       |             |     1     |            |             |
   |-------+-------------+-----------+------------+-------------|
   | 128KB | (4) 32K x 8 |  Bank 0   | (1) 8K x 8 | (1) 16K x 4 |
   |-------+-------------+-----------+------------+-------------|
   | 256KB | (8) 32K x 8 | Banks 0 & | (1) 32K x  | (1) 16K x 4 |
   |       |             |     1     |     8      |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   | CACHE | Main Memory |         P5         |       P6        |
   | Size  |             |                    |                 |
   |-------+-------------+--------------------+-----------------|
   | 64KB  |   GBP 16MB    | pins 1 & 2, 4 & 5, | pins 1 & 2, 4 & |
   |       |             |    7 & 8 closed    |    5 closed     |
   |-------+-------------+--------------------+-----------------|
   | 64KB  |  > 16MB, GBP  | pins 1 & 2, 4 & 5, | pins 1 & 2, 4 & |
   |       |    =32MB    |    7 & 8 closed    |    5 closed     |
   |-------+-------------+--------------------+-----------------|
   | 128KB |   GBP 32MB    | pins 2 & 3, 4 & 5, | pins 2 & 3, 4 & |
   |       |             |    8 & 9 closed    |    5 closed     |
   |-------+-------------+--------------------+-----------------|
   | 128KB |  > 32MB, GBP  | pins 2 & 3, 4 & 5, | pins 2 & 3, 4 & |
   |       |    =64MB    |    7 & 8 closed    |    5 closed     |
   |-------+-------------+--------------------+-----------------|
   | 256KB |   GBP 32MB    | pins 2 & 3, 5 & 6, | pins 2 & 3, 5 & |
   |       |             |    8 & 9 closed    |    6 closed     |
   |-------+-------------+--------------------+-----------------|
   | 256KB |  > 32MB, GBP  | pins 2 & 3, 5 & 6, | pins 2 & 3, 5 & |
   |       |    =64MB    |    7 & 8 closed    |    6 closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Speed       |   P3   |              P19               |
   |------------------+--------+--------------------------------|
   | 80386DX/16/20/25 |  Open  |    pins 1 & 5, 2 & 6, 4 & 8    |
   |                  |        |             closed             |
   |------------------+--------+--------------------------------|
   |    80386DX/33    |  Open  |    pins 1 & 5, 3 & 7, 4 & 8    |
   |                  |        |             closed             |
   |------------------+--------+--------------------------------|
   |   CX486DLC/40    |  Open  |    pins 1 & 5, 2 & 6 closed    |
   |------------------+--------+--------------------------------|
   |    80486SX/20    |  Open  |    pins 2 & 6, 3 & 7 closed    |
   |------------------+--------+--------------------------------|
   |    80486SX/25    |  Open  |    pins 2 & 6, 4 & 8 closed    |
   |------------------+--------+--------------------------------|
   |    80486DX25     |  Open  |    pins 2 & 6, 4 & 8 closed    |
   |------------------+--------+--------------------------------|
   |    80486DX33     |  Open  |    pins 3 & 7, 4 & 8 closed    |
   |------------------+--------+--------------------------------|
   |    80486DX50     | Closed |       pins 3 & 7 closed        |
   |------------------+--------+--------------------------------|
   |   80486DX2/66    |  Open  |    pins 3 & 7, 4 & 8 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   CPU    |       P10        |    P11     |  P18   |  P21   |
   |----------+------------------+------------+--------+--------|
   | 80386DX  |    pins 2 & 3    |    Open    |  Open  | Closed |
   |          |      closed      |            |        |        |
   |----------+------------------+------------+--------+--------|
   | 80486SX  |    pins 1 & 2    | pins 1 & 2 | Closed |  Open  |
   |          |      closed      |   closed   |        |        |
   |----------+------------------+------------+--------+--------|
   | 80486DX  |    pins 1 & 2    | pins 2 & 3 | Closed |  Open  |
   |          |      closed      |   closed   |        |        |
   |----------+------------------+------------+--------+--------|
   | 80486DX2 |    pins 1 & 2    | pins 2 & 3 | Closed |  Open  |
   |          |      closed      |   closed   |        |        |
   +------------------------------------------------------------+