NEC TECHNOLOGIES, INC.
======================

   POWERMATE 386SXMB

   Processor             80386SX                                  
   Processor Speed       12/16MHz                                 
   Chip Set              ETEQ                                     
   Max. Onboard DRAM     32MB                                     
   Cache                 16/32KB                                  
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           Proprietary external memory card slot    
   NPU Options           80287                                    

<gopher://bitreich.org/I/th99/m/M-O/30676-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose     | Location | Purpose                | Location |
   |-------------+----------+------------------------+----------|
   | Speaker     |   JP8    | Proprietary external   |    S2    |
   |             |          | memory card            |          |
   |-------------+----------+------------------------+----------|
   | External    |   JP10   | Reset switch           |   SW1    |
   | battery     |          |                        |          |
   |-------------+----------+------------------------+----------|
   | Power LED & |   JP11   |                        |          |
   | keylock     |          |                        |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Monitor type select color |      JP1      |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |      JP1      |    open    |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Auxiliary Reference Burst |      JP7      | pins 1 & 2 |
   |   | enabled                   |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Auxiliary Reference Burst |      JP7      | pins 2 & 3 |
   |   | disabled                  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Battery select internal   |      JP9      | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Battery select external   |      JP9      | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Proprietary system logic  |     JP31      |   closed   |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Proprietary system logic  |     JP31      |   closed   |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Main Reference Burst      |     JP45      | pins 1 & 2 |
   |   | enabled                   |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Main Reference Burst      |     JP45      | pins 3 & 4 |
   |   | disabled                  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     JP48      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |  S1/switch 1  |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |  S1/switch 2  |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Redundancy circuit        |  S1/switch 3  |   closed   |
   |   | duplication enabled       |               |            |
   |---+---------------------------+---------------+------------|
   |   | Redundancy circuit        |  S1/switch 3  |    open    |
   |   | duplication disabled      |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Cache tag bit size select |  S1/switch 4  |    open    |
   |   | 16-bit                    |               |            |
   |---+---------------------------+---------------+------------|
   |   | Cache tag bit size select |  S1/switch 4  |   closed   |
   |   | 32-bit                    |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Board power select Direct |  S1/switch 5  |    open    |
   |   | Current                   |               |            |
   |---+---------------------------+---------------+------------|
   |   | Board power select        |  S1/switch 5  |   closed   |
   |   | Alternating Current       |               |            |
   |   | (onboard converter)       |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Flash ROM programming     |  S1/switch 6  |    open    |
   |   | disabled                  |               |            |
   |---+---------------------------+---------------+------------|
   |   | Flash ROM programming     |  S1/switch 6  |   closed   |
   |   | enabled                   |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J1       |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J2       |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J3       |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J4       |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J5       |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J7       |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J10      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J23      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      J68      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J101      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J102      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J103      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J206      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J207      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J208      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J209      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J212      |    open    |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     J213      |    open    |
   |   | not alter                 |               |            |
   |------------------------------------------------------------|
   | Note:Locations of jumpers J1 - J213 are unknown.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 1 M 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      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |     Cache SRAM     |        TAG         |
   |------------------+--------------------+--------------------|
   |       16KB       |     (4) 8K x 4     |     (1) 2K x 2     |
   |------------------+--------------------+--------------------|
   |       32KB       |     (8) 8K x 4     |     (1) 2K x 2     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Jumper |  JP4   |    JP5     |    JP6    |  JP20  |  JP21  |
   |--------+--------+------------+-----------+--------+--------|
   |  16KB  | Closed | pins 1 & 2 | pins 2 &  |  Open  | Closed |
   |        |        |   closed   | 3 closed  |        |        |
   |--------+--------+------------+-----------+--------+--------|
   |  32KB  |  Open  | pins 2 & 3 | pins 1 &  | Closed |  Open  |
   |        |        |   closed   | 2 closed  |        |        |
   +------------------------------------------------------------+