EPSON, INC.
===========

   EQUITY II

   Processor         8088                                         
   Processor Speed   4.77/7.16MHz                                 
   Chip Set          Epson                                        
   Max. Onboard DRAM 256KB                                        
   Cache             None                                         
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       8087                                         

<gopher://bitreich.org/I/th99/m/E-H/31756-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External memory   |   CN2    | Speaker          |   CN12   |
   | card connector    |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN3    | External battery |   CN13   |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN4    | 32-bit external  |   CN14   |
   |                   |          | memory slot      |          |
   |-------------------+----------+------------------+----------|
   | Monitor port      |   CN5    | Unknown          |   CN15   |
   |-------------------+----------+------------------+----------|
   | Composite video   |   CN6    | 32-bit card slot |    S1    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN9    | 32-bit card slot |    S2    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN10   | 32-bit card slot |    S3    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   CN11   |                  |          |
   | keylock           |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Switch | Position |
   |----------------------------------------+--------+----------|
   |>> | Floppy drive A 360KB installed     | SW1/1  |    On    |
   |---+------------------------------------+--------+----------|
   |   | Floppy drive A 1.2MB installed     | SW1/1  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | NPU enabled                        | SW1/2  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | NPU disabled                       | SW1/2  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/3  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Parallel port primary enabled      | SW1/4  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | Parallel port secondary enabled    | SW1/4  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW2/1  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW2/2  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW2/3  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW2/4  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | Parity checking enabled            | SW2/5  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | Parity checking disabled           | SW2/5  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW2/6  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | Primary internal serial interface  | SW2/7  |   Off    |
   |   | enabled                            |        |          |
   |---+------------------------------------+--------+----------|
   |   | Secondary internal serial          | SW2/7  |    On    |
   |   | interface enabled                  |        |          |
   |---+------------------------------------+--------+----------|
   |   | Internal serial interface enabled  | SW2/8  |   Off    |
   |---+------------------------------------+--------+----------|
   |   | Internal serial interface disabled | SW2/8  |    On    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |  SW3   |   N/A    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |  SW4   |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |      Size       |       Bank 0       |       Bank 1        |
   |-----------------+--------------------+---------------------|
   |      640KB      |      (8) 4164      |      (8) 41256      |
   |------------------------------------------------------------|
   | Note:The exact locations of Bank 0 and Bank 1 are unknown. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DMA INTERRUPT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       DMA        |         J1         |         J2         |
   |------------------+--------------------+--------------------|
   |  Dack 0 enabled  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   | Dack 0 disabled  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   MONITOR TYPE SELECTION                   |
   |------------------------------------------------------------|
   |          Type           |  SW1/switch 5   |  SW1/switch 6  |
   |-------------------------+-----------------+----------------|
   | Internal video disabled |       On        |       On       |
   |-------------------------+-----------------+----------------|
   |       Monochrome        |       Off       |      Off       |
   |-------------------------+-----------------+----------------|
   |      Color 40 x 25      |       Off       |       On       |
   |-------------------------+-----------------+----------------|
   |      Color 80 x 25      |       On        |      Off       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 FLOPPY DRIVE CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Number of drives  |   SW1/switch 7    |   SW1/switch 8    |
   |--------------------+-------------------+-------------------|
   |         1          |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |         2          |        Off        |        On         |
   +------------------------------------------------------------+