ROBOTECH, INC.
==============

   386SX/486DX

Processor  80386DX/CX486DLC/80486SX/80487SX/ODP486SX/80486DX/80486DX2 
Processor  25/33/40/50(internal)/50/66(internal)MHz                   
Speed      
Chip Set   OPTI                                                       
Max.       64MB                                                       
Onboard    
DRAM       
Cache      64/128/256KB                                               
BIOS       AMI                                                        
Dimensions 254mm x 220mm                                              
I/O        32-bit VESA local bus slots (2)                            
Options    
NPU        80387DX                                                    
Options    

<gopher://bitreich.org/I/th99/m/P-R/32177-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J1    | Turbo LED            |    J5    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Speaker       |    J2    | External battery     |    J6    |
   |---------------+----------+----------------------+----------|
   | Turbo switch  |    J3    | 32-bit VESA local    |  SL1 &   |
   |               |          | bus slots            |   SL2    |
   |---------------+----------+----------------------+----------|
   | Reset switch  |    J4    |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Turbo switch enabled             |   J3   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | turbo switch disabled            |   J3   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |   J6   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |   J6   | pins 3 & 4 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Cyrix DLC PQFP CPU disabled      |  JP4   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Cyrix DLC PQFP CPU enabled       |  JP4   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | 80386DX/80486DX PQFP CPU         |  JP15  |   Closed   |
   |   | disabled                         |        |            |
   |---+----------------------------------+--------+------------|
   |   | 80386DX/80486DX PQFP CPU enabled |  JP15  |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP21  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP21  |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP23  |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | VESA card select standard card   |  JP24  | pins 2 & 3 |
   |   | in SL1                           |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | VESA card select WD31 or Tekram  |  JP24  | pins 1 & 2 |
   |   | IDE card (50MHz only)            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Battery type select Lithum       |  JP26  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select NI-CD        |  JP26  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | 80486DX-50 version select old    |  JP28  |    Open    |
   |---+----------------------------------+--------+------------|
   |   | 80486DX-50 version select new    |  JP28  |   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     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (4) 16M x 9     |        NONE        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   | TAG (U18)  | TAG (U19)  |
   |-------+-------------+------------+------------+------------|
   | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (1) 8K x 8 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 128KB | (4) 32K x 8 |    NONE    | (1) 8K x 8 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 256KB | (4) 32K x 8 | (4) 32K x  | (1) 32K x  |    NONE    |
   |       |             |     8      |     8      |            |
   |-------+-------------+------------+------------+------------|
   | 256KB | (4) 32K x 8 | (4) 32K x  | (1) 8K x 8 | (1) 8K x 8 |
   |       |             |     8      |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |      JP10       |      JP11      |  JP16  |  JP17  |
   |-------+-----------------+----------------+--------+--------|
   | 64KB  |   pins 2 & 3    |   pins 2 & 3   |  Open  |  Open  |
   |       |     closed      |     closed     |        |        |
   |-------+-----------------+----------------+--------+--------|
   | 128KB |   pins 1 & 2    |   pins 1 & 2   | Closed |  Open  |
   |       |     closed      |     closed     |        |        |
   |-------+-----------------+----------------+--------+--------|
   | 256KB |   pins 2 & 3    |   pins 2 & 3   | Closed | Closed |
   |       |     closed      |     closed     |        |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   | Type  |  JP14  |      JP20       |    JP25    |    JP27    |
   |-------+--------+-----------------+------------+------------|
   | 80386 |  Open  |   pins 2 & 3    | pins 1 & 2 | pins 1 & 2 |
   |       |        |     closed      |   closed   |   closed   |
   |-------+--------+-----------------+------------+------------|
   | 80486 | Closed |   pins 1 & 2    | pins 2 & 3 | pins 2 & 3 |
   |       |        |     closed      |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         CPU TYPE CONFIGURATION (80386DX/CX486DLC)          |
   |------------------------------------------------------------|
   |      Type       | JP14  |  JP15   |  JP20  | JP25  | JP27  |
   |-----------------+-------+---------+--------+-------+-------|
   | 80386DX (PQFP)  | Open  |  Open   | 2 & 3  | 1 & 2 | 1 & 2 |
   |-----------------+-------+---------+--------+-------+-------|
   |  80386DX (PGA)  | Open  | Closed  | 2 & 3  | 1 & 2 | 1 & 2 |
   |-----------------+-------+---------+--------+-------+-------|
   | CX486DLC (PGA)  | Open  | Closed  | 2 & 3  | 1 & 2 | 1 & 2 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         CPU SPEED CONFIGURATION (80386DX/CX486DLC)         |
   |------------------------------------------------------------|
   | Speed |  JP6   |  JP7   |  JP8   |       JP9        | JP22 |
   |-------+--------+--------+--------+------------------+------|
   | 33MHz | Closed | Closed |  Open  |    pins 2 & 3    | Open |
   |       |        |        |        |      closed      |      |
   |-------+--------+--------+--------+------------------+------|
   | 40MHz | Closed | Closed | Closed |    pins 2 & 3    | Open |
   |       |        |        |        |      closed      |      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU TYPE CONFIGURATION (80486)               |
   |------------------------------------------------------------|
   |     Type      |       JP2       |  JP18  |      JP19       |
   |---------------+-----------------+--------+-----------------|
   | 80486SX (PGA) |      Open       |  Open  |   pins 2 & 3    |
   |               |                 |        |     closed      |
   |---------------+-----------------+--------+-----------------|
   |    80487SX    |   pins 2 & 3    | Closed |   pins 1 & 2    |
   |               |     closed      |        |     closed      |
   |---------------+-----------------+--------+-----------------|
   |   ODP486SX    |   pins 2 & 3    | Closed |   pins 1 & 2    |
   |               |     closed      |        |     closed      |
   |---------------+-----------------+--------+-----------------|
   |  80486DX/DX2  |   pins 1 & 2    | Closed |   pins 1 & 2    |
   |               |     closed      |        |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              CPU SPEED CONFIGURATION (80486)               |
   |------------------------------------------------------------|
   | Speed  | JP6  |  JP7   |  JP8   |       JP9       |  JP22  |
   |--------+------+--------+--------+-----------------+--------|
   | 25MHz  | Open |  Open  |  Open  |   pins 1 & 2    | Closed |
   |        |      |        |        |     closed      |        |
   |--------+------+--------+--------+-----------------+--------|
   | 33MHz  | Open |  Open  | Closed |   pins 1 & 2    |  Open  |
   |        |      |        |        |     closed      |        |
   |--------+------+--------+--------+-----------------+--------|
   | 40MHz  | Open | Closed | Closed |   pins 1 & 2    |  Open  |
   |        |      |        |        |     closed      |        |
   |--------+------+--------+--------+-----------------+--------|
   | 50iMHz | Open |  Open  |  Open  |   pins 1 & 2    | Closed |
   |        |      |        |        |     closed      |        |
   |--------+------+--------+--------+-----------------+--------|
   | 50MHz  | Open | Closed |  Open  |   pins 1 & 2    |  Open  |
   |        |      |        |        |     closed      |        |
   |--------+------+--------+--------+-----------------+--------|
   | 66iMHz | Open |  Open  | Closed |   pins 1 & 2    |  Open  |
   |        |      |        |        |     closed      |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   VESA IDE CONFIGURATION                   |
   |------------------------------------------------------------|
   |     IDE     |      JP1      |     JP12      |     JP13     |
   |-------------+---------------+---------------+--------------|
   |    IDE2     |     Open      |     Open      |    Closed    |
   |-------------+---------------+---------------+--------------|
   |    IDE3     |     Open      |    Closed     |     Open     |
   |-------------+---------------+---------------+--------------|
   |    IDE4     |    Closed     |     Open      |     Open     |
   +------------------------------------------------------------+