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

   R386SX MBC

   Processor         80386SX                                      
   Processor Speed   16/25MHz                                     
   Chip Set          C & T                                        
   Max. Onboard DRAM 16MB                                         
   Cache             None                                         
   BIOS              AMI                                          
   Dimensions        220mm x 218mm                                
   I/O Options       Floppy drive interface, IDE interface        
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/P-R/32002-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    J7    | Turbo LED         |   J11    |
   |------------------+----------+-------------------+----------|
   | Power LED &      |    J8    | Speaker           |   J12    |
   | keylock          |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Reset switch     |    J9    | Floppy drive      |    P3    |
   |                  |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |   J10    | IDE interface     |    P4    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Floppy drive interface enabled   |   J2   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Floppy drive interface disabled  |   J2   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | IDE interface enabled            |   J3   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | IDE interface disabled           |   J3   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   J4   |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select CGA/EGA/VGA  |   J5   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |   J5   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Battery type select internal     |   J6   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |   J6   |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |          DRAM CONFIGURATION (DIPP &AMP; SIMM RAM)          |
   |------------------------------------------------------------|
   |  Size  |  Bank 0  |  Bank 1  | Parity  | Bank 2  | Bank 3  |
   |        |          |          |  Chip   |         |         |
   |--------+----------+----------+---------+---------+---------|
   | 512KB  |   (2)    |   (2)    |   (2)   |  NONE   |  NONE   |
   |        |  44256   |  44256   |  41256  |         |         |
   |--------+----------+----------+---------+---------+---------|
   |  1MB   |   (4)    |   (4)    |   (4)   |  NONE   |  NONE   |
   |        |  44256   |  44256   |  41256  |         |         |
   |--------+----------+----------+---------+---------+---------|
   | 1.5MB  |   (4)    |   (4)    |   (4)   |   (2)   |  NONE   |
   |        |  44256   |  44256   |  41256  | 256K x  |         |
   |        |          |          |         |    9    |         |
   |--------+----------+----------+---------+---------+---------|
   |  2MB   |   (4)    |   (4)    |   (4)   |   (2)   |   (2)   |
   |        |  44256   |  44256   |  41256  | 256K x  | 256K x  |
   |        |          |          |         |    9    |    9    |
   |--------+----------+----------+---------+---------+---------|
   |  2MB   |   NONE   |   NONE   |  NONE   | (2) 1M  |  NONE   |
   |        |          |          |         |   x 9   |         |
   |--------+----------+----------+---------+---------+---------|
   |  3MB   |   (4)    |   (4)    |   (4)   | (2) 1M  |   (2)   |
   |        |  44256   |  44256   |  41256  |   x 9   | 256K x  |
   |        |          |          |         |         |    9    |
   |--------+----------+----------+---------+---------+---------|
   |  4MB   |   NONE   |   NONE   |  NONE   | (2) 1M  | (2) 1M  |
   |        |          |          |         |   x 9   |   x 9   |
   |--------+----------+----------+---------+---------+---------|
   |  5MB   |   (4)    |   (4)    |   (4)   | (2) 1M  | (2) 1M  |
   |        |  44256   |  44256   |  41256  |   x 9   |   x 9   |
   |--------+----------+----------+---------+---------+---------|
   |  9MB   |   (4)    |   (4)    |   (4)   | (2) 4M  |  NONE   |
   |        |  44256   |  44256   |  41256  |   x 9   |         |
   |--------+----------+----------+---------+---------+---------|
   |  16MB  |   NONE   |   NONE   |  NONE   | (2) 4M  | (2) 4M  |
   |        |          |          |         |   x 9   |   x 9   |
   |------------------------------------------------------------|
   | Note: When installing 512KB, only U32, U33, U37, U38,U41 & |
   | U42 are used.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   | Bank 0 | Bank 1 | Parity | Bank 2  | Bank 3  | J13, J14 &  |
   |        |        |  Chip  |         |         |     J15     |
   |--------+--------+--------+---------+---------+-------------|
   |  (2)   |  (2)   |  (2)   |  NONE   |  NONE   | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  |         |         | 4, 5 & 6, 7 |
   |        |        |        |         |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  (4)   |  (4)   |  (4)   |  NONE   |  NONE   | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  |         |         | 4, 5 & 6, 7 |
   |        |        |        |         |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  (4)   |  (4)   |  (4)   |   (2)   |  NONE   | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  | 256K x  |         | 4, 5 & 6, 7 |
   |        |        |        |    9    |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  (4)   |  (4)   |  (4)   |   (2)   |   (2)   | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  | 256K x  | 256K x  | 4, 5 & 6, 7 |
   |        |        |        |    9    |    9    |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  NONE  |  NONE  |  NONE  | (2) 1M  |  NONE   | 1 & 3, 2 &  |
   |        |        |        |   x 9   |         | 4, 5 & 7, 6 |
   |        |        |        |         |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  (4)   |  (4)   |  (4)   | (2) 1M  |   (2)   | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  |   x 9   | 256K x  | 4, 5 & 6, 7 |
   |        |        |        |         |    9    |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  NONE  |  NONE  |  NONE  | (2) 1M  | (2) 1M  | 1 & 3, 2 &  |
   |        |        |        |   x 9   |   x 9   | 4, 5 & 7, 6 |
   |        |        |        |         |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  (4)   |  (4)   |  (4)   | (2) 1M  | (2) 1M  | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  |   x 9   |   x 9   | 4, 5 & 6, 7 |
   |        |        |        |         |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  (4)   |  (4)   |  (4)   | (2) 4M  |  NONE   | 1 & 2, 3 &  |
   | 44256  | 44256  | 41256  |   x 9   |         | 4, 5 & 6, 7 |
   |        |        |        |         |         |     & 8     |
   |--------+--------+--------+---------+---------+-------------|
   |  NONE  |  NONE  |  NONE  | (2) 4M  | (2) 4M  | 1 & 3, 2 &  |
   |        |        |        |   x 9   |   x 9   | 4, 5 & 7, 6 |
   |        |        |        |         |         |     & 8     |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+