MECER CORPORATION
=================

   B615/B616

   Processor         80386DX                                      
   Processor Speed   33/40MHz                                     
   Chip Set          FOREX                                        
   Max. Onboard DRAM 32MB                                         
   Cache             64/128/256KB                                 
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80387DX/3167                                 

<gopher://bitreich.org/I/th99/m/M-O/32501-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose              | Location | Purpose       | Location |
   |----------------------+----------+---------------+----------|
   | Auxiliary keyboard   |   JP1    | Power LED &   |   JP9    |
   | connector            |          | keylock       |          |
   |----------------------+----------+---------------+----------|
   | External battery     |   JP2    | Speaker       |   JP10   |
   |----------------------+----------+---------------+----------|
   | Turbo LED            |   JP7    | Turbo switch  |   JP11   |
   |----------------------+----------+---------------+----------|
   | Reset switch         |   JP8    |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | Monitor type select monochrome    |   JP3   |  Closed  |
   |---+-----------------------------------+---------+----------|
   |   | Monitor type select color         |   JP3   |   Open   |
   |---+-----------------------------------+---------+----------|
   |>> | Parity check enabled              |  JP101  |  Closed  |
   |---+-----------------------------------+---------+----------|
   |   | Parity check disabled             |  JP101  |   Open   |
   |---+-----------------------------------+---------+----------|
   |>> | External battery type select 6.0v |  JP200  |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | External battery type select 3.6v |  JP200  |  Closed  |
   |---+-----------------------------------+---------+----------|
   |>> | CMOS memory normal operation      |  JP202  |   Open   |
   |---+-----------------------------------+---------+----------|
   |   | CMOS memory clear                 |  JP202  |  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        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |    TG0     |    TG1     |
   |-------+-------------+------------+------------+------------|
   | 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) 8K x 8 | (1) 8K x 8 |
   |       |             |     8      |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |      JP6A       |      JP6B       |      JP6C      |
   |-------+-----------------+-----------------+----------------|
   | 64KB  |   pins 2 & 3    |   pins 1 & 2    |   pins 1 & 2   |
   |       |     closed      |     closed      |     closed     |
   |-------+-----------------+-----------------+----------------|
   | 128KB |   pins 1 & 2    |   pins 1 & 2    |   pins 1 & 2   |
   |       |     closed      |     closed      |     closed     |
   |-------+-----------------+-----------------+----------------|
   | 256KB |   pins 1 & 2    |   pins 2 & 3    |   pins 2 & 3   |
   |       |     closed      |     closed      |     closed     |
   +------------------------------------------------------------+