RADISYS CORPORATION
===================

   EXPLR2

   Processor        80386EX                                       
   Processor Speed  33/40/50/66MHz                                
   Chip Set         Unidentified                                  
   Video Chip Set   Cirrus Logic                                  
   Maximum Onboard  32MB                                          
   Memory           
   Maximum Video    512KB                                         
   Memory           
   Cache            None                                          
   BIOS             Phoenix                                       
   Dimensions       254mm x 254mm                                 
   I/O Options      Floppy drive interface, IDE interface,        
                    parallel port, PS/2 mouse port, serial ports  
                    (2), VGA port, PC/104 connectors (2), flat    
                    panel connector                               
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/P-R/34699-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | LCD connector     |   CN1    | PC/104 connector |   J4A    |
   |-------------------+----------+------------------+----------|
   | IDE interface     |   CN2    | Parallel port    |    J8    |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN6    | Serial port 2    |    J9    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |    J2    | Serial port 1    |   J10    |
   |-------------------+----------+------------------+----------|
   | VGA port          |    J3    | PC card carrier  |    S1    |
   |-------------------+----------+------------------+----------|
   | PC/104 connector  |    J4    | Reset switch     |    S2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 |Label|  Position  |
   |-----------------------------------------+-----+------------|
   | |RFA access select (linear memory/mapped| JP2 |Unidentified|
   | |page)                                  |     |            |
   |-+---------------------------------------+-----+------------|
   | |RFA WS select (R380 WEFLSH/386EXWR)    | JP3 |Unidentified|
   |-+---------------------------------------+-----+------------|
   |>>|Factory configured - do not alter      | JP4 |    Open    |
   |-+---------------------------------------+-----+------------|
   | |CPU speed 33/40/50/66MHz               | JP5 |Unidentified|
   |-+---------------------------------------+-----+------------|
   | |BIOS CS select (R380EX/Intel386EX)     | JP6 |Unidentified|
   |-+---------------------------------------+-----+------------|
   |>>|Flash BIOS boot block disabled         | JP7 |    Open    |
   |-+---------------------------------------+-----+------------|
   | |Flash BIOS boot block enabled          | JP7 |   Closed   |
   |-+---------------------------------------+-----+------------|
   |>>|Flash BIOS normal operation            |JP8A |    Open    |
   |-+---------------------------------------+-----+------------|
   | |Flash BIOS recovery mode               |JP8A |   Closed   |
   |-+---------------------------------------+-----+------------|
   |>>|Manufacturing loop at boot disabled    |JP8B |    Open    |
   |-+---------------------------------------+-----+------------|
   | |Manufacturing loop at boot enabled     |JP8B |   Closed   |
   |-+---------------------------------------+-----+------------|
   |>>|Bottom half (lower 256KB) of FBD       |JP8C |    Open    |
   | |disabled                               |     |            |
   |-+---------------------------------------+-----+------------|
   | |Bottom half (lower 256KB) of FBD       |JP8C |   Closed   |
   | |enabled                                |     |            |
   |-+---------------------------------------+-----+------------|
   |>>|Flash BIOS write protect disabled      |JP8D |    Open    |
   |-+---------------------------------------+-----+------------|
   | |Flash BIOS write protect enabled       |JP8D |   Closed   |
   |-+---------------------------------------+-----+------------|
   | |VCC select (3.3v/5v)                   | JP9 |Unidentified|
   |-+---------------------------------------+-----+------------|
   | |Serial port 2 COM select (IRQ3/IRQ5)   |JP10 |Unidentified|
   |-+---------------------------------------+-----+------------|
   | |VPP select (12v/5v)                    |JP11 |Unidentified|
   |-+---------------------------------------+-----+------------|
   |>>|Boot option with keyboard controller   |JP12 |    Open    |
   | |disabled                               |     |            |
   |-+---------------------------------------+-----+------------|
   | |Boot option with keyboard controller   |JP12 |   Closed   |
   | |enabled                                |     |            |
   |-+---------------------------------------+-----+------------|
   | |Serial port 1 COM select (IRQ4/IRQ9)   |JP13 |Unidentified|
   |-+---------------------------------------+-----+------------|
   |>>|Post loop disabled                     |JP14 |    Open    |
   |-+---------------------------------------+-----+------------|
   | |Post loop enabled                      |JP14 |   Closed   |
   |-+---------------------------------------+-----+------------|
   |>>|8-bit operation disabled               |JP15 |   Closed   |
   |-+---------------------------------------+-----+------------|
   | |8-bit operation enabled                |JP15 |    Open    |
   |-+---------------------------------------+-----+------------|
   |>>|R380 voltage select 5v                 |SW1/1|     On     |
   |-+---------------------------------------+-----+------------|
   | |R380 voltage select 3v/3.3v            |SW1/1|    Off     |
   |-+---------------------------------------+-----+------------|
   |>>|Internal real time clock megacell      |SW1/2|    Off     |
   | |enabled                                |     |            |
   |-+---------------------------------------+-----+------------|
   | |Internal real time clock megacell      |SW1/2|     On     |
   | |disabled                               |     |            |
   |-+---------------------------------------+-----+------------|
   |>>|Internal keyboard & mouse controller   |SW1/3|    Off     |
   | |megacell enabled                       |     |            |
   |-+---------------------------------------+-----+------------|
   | |Internal keyboard & mouse controller   |SW1/3|     On     |
   | |megacell disabled                      |     |            |
   |-+---------------------------------------+-----+------------|
   |>>|RAS_BS# enabled                        |SW1/4|    Off     |
   |-+---------------------------------------+-----+------------|
   | |MA11 enabled                           |SW1/4|     On     |
   |-+---------------------------------------+-----+------------|
   |>>|CS_USR [3:0] outputs enabled           |SW1/5|    Off     |
   |-+---------------------------------------+-----+------------|
   | |DIO [3:0] inputs enabled               |SW1/5|     On     |
   |-+---------------------------------------+-----+------------|
   |>>|ACTIVITY#/WE_BIOS#/WE_AP#/QDACKB       |SW1/6|    Off     |
   | |enabled                                |     |            |
   |-+---------------------------------------+-----+------------|
   | |DIO [7:4] inputs enabled               |SW1/6|     On     |
   |-+---------------------------------------+-----+------------|
   |>>|Initial level of digital output select |SW1/7|    Off     |
   | |initialize to 0                        |     |            |
   |-+---------------------------------------+-----+------------|
   | |Initial level of digital output select |SW1/7|     On     |
   | |initialize to 1                        |     |            |
   |-+---------------------------------------+-----+------------|
   |>>|User definable bit select 0            |SW1/8|    Off     |
   |-+---------------------------------------+-----+------------|
   | |User definable bit select 1            |SW1/8|     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |            2MB             |         (1) 512K x 36         |
   |----------------------------+-------------------------------|
   |            4MB             |          (1) 1M x 36          |
   |----------------------------+-------------------------------|
   |            8MB             |          (1) 2M x 36          |
   |----------------------------+-------------------------------|
   |            16MB            |          (1) 4M x 36          |
   |----------------------------+-------------------------------|
   |            32MB            |          (1) 8M x 36          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: 512KB video memory is factory installed and is not   |
   | configurable.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    FLAT PANEL SELECTION                    |
   |------------------------------------------------------------|
   |      Setting       |    JP1/A    |   JP1/B    |   JP1/C    |
   |--------------------+-------------+------------+------------|
   |>> | 0-bit disabled |    Open     |    Open    |    Open    |
   |---+----------------+-------------+------------+------------|
   |   | 0-bit enabled  |   Closed    |   Closed   |   Closed   |
   +------------------------------------------------------------+