RELIALOGIC CORPORATION PRIVATE, LTD.
====================================

   R486 VLQMBC

   Processor         80486SX/80486DX/80486DX2                     
   Processor Speed   25/33/50(internal)/66(internal)MHz           
   Chip Set          ALI                                          
   Max. Onboard DRAM 32MB                                         
   Cache             64/128/256KB                                 
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       32-bit VESA local bus slots (2)              
   NPU Options       None                                         

<gopher://bitreich.org/I/th99/m/P-R/31994-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J1    | Reset switch         |    J5    |
   | keylock       |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Speaker       |    J2    | External battery     |   JP17   |
   |---------------+----------+----------------------+----------|
   | Turbo switch  |    J3    | 32-bit VESA Local    |  SL1 &   |
   |               |          | bus slots            |   SL2    |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J4    |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP12  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP12  |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP16  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP16  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP33  | pins 2 & 4 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Weitek Power 9000 VLB card not   |  JP89  |   Closed   |
   |   | installed                        |        |            |
   |---+----------------------------------+--------+------------|
   |   | Weitek Power 9000 VLB card       |  JP89  |    Open    |
   |   | installed                        |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP94  | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |------------------------------------------------------------|
   | Note: The location of JP94 is unidentified.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |   U6 to U9    |  U10 to U13   |      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       |        JP7         |        JP8         |
   |------------------+--------------------+--------------------|
   |       64KB       | pins 2 & 3 closed  | pins 2 & 4 closed  |
   |------------------+--------------------+--------------------|
   |      128KB       | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |      256KB       | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   | Speed  |   JP2   |   JP3   | JP4  |  ID2   | ID3  |  JP72  |
   |--------+---------+---------+------+--------+------+--------|
   | 25MHz  | Pins 2  |  Open   | Open | Closed | Open | Closed |
   |        |   & 3   |         |      |        |      |        |
   |        | closed  |         |      |        |      |        |
   |--------+---------+---------+------+--------+------+--------|
   | 33MHz  | Pins 2  |  Open   | Open | Closed | Open |  Open  |
   |  (SX)  |   & 3   |         |      |        |      |        |
   |        | closed  |         |      |        |      |        |
   |--------+---------+---------+------+--------+------+--------|
   | 33MHz  | Pins 1  | Pins 2  | Open | Closed | Open |  Open  |
   |        | & 2, 3  |   & 3   |      |        |      |        |
   |        |   & 4   | closed  |      |        |      |        |
   |        | closed  |         |      |        |      |        |
   |--------+---------+---------+------+--------+------+--------|
   | 50iMHz | Pins 2  |  Open   | Open | Closed | Open | Closed |
   |        |   & 3   |         |      |        |      |        |
   |        | closed  |         |      |        |      |        |
   |--------+---------+---------+------+--------+------+--------|
   | 66iMHz | Pins 1  | Pins 2  | Open | Closed | Open |  Open  |
   |        | & 2, 3  |   & 3   |      |        |      |        |
   |        |   & 4   | closed  |      |        |      |        |
   |        | closed  |         |      |        |      |        |
   +------------------------------------------------------------+