ATC/UNITRON COMPUTERS & COMPUTER PARTS
======================================

   EX3135

    Data bus:           32-bit VL-bus                             

    Size:               Three-quarter length, full-height card    

    Hard drive          Two IDE(AT) drives                        
    supported:          

    Floppy drives       Two 360KB, 720KB, 1.2MB, or 1.44MB        
    supported:          drives                                    

<gopher://bitreich.org/I/th99/c/A-B/20951-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 34-pin cable connector - floppy drive    |       CN1       |
   |------------------------------------------+-----------------|
   | 40-pin primary IDE(AT) connector         |       CN2       |
   |------------------------------------------+-----------------|
   | 16-pin game port                         |       CN3       |
   |------------------------------------------+-----------------|
   | 10-pin serial port 2 - internal          |       CN4       |
   |------------------------------------------+-----------------|
   | 9-pin serial port 1 - external           |       CN5       |
   |------------------------------------------+-----------------|
   | 25-pin parallel port - external          |       CN6       |
   |------------------------------------------+-----------------|
   | 4-pin connector - drive active LED       |       J10       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Factory configured - do not    |    J1    | Pins 2 & 3 |
   |   | alter                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |    J2    |   Closed   |
   |   | alter                          |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |    J3    |   Closed   |
   |   | alter                          |          |            |
   |---+--------------------------------+----------+------------|
   |>> | IDE(AT) interface enabled      |    J4    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDE(AT) interface disabled     |    J4    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDE port address 034h, 038h,   |    J7    | Pins 1 & 2 |
   |   | 03Ch select                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDE port address 0B4h, 0B8h,   |    J7    | Pins 2 & 3 |
   |   | 0BCh select                    |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |    J8    | Pins 2 & 3 |
   |   | alter                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |    J9    | Pins 1 & 2 |
   |   | alter                          |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           USER CONFIGURABLE SETTINGS (CONTINUED)           |
   |------------------------------------------------------------|
   |             Function              | Location  |  Setting   |
   |-----------------------------------+-----------+------------|
   |>>  | Two IDE(AT) drives present   |    J11    |    Open    |
   |----+------------------------------+-----------+------------|
   |    | One IDE(AT) drive present    |    J11    |   Closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Parallel port enabled        |   JP12    | Pins 1 & 2 |
   |    |                              |           |   closed   |
   |----+------------------------------+-----------+------------|
   |    | Parallel port disabled       |   JP12    | Pins 2 & 3 |
   |    |                              |           |   closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Factory configured - do not  |   JP13    | Pins 2 & 3 |
   |    | alter                        |           |   closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Factory configured - do not  |   JP14    | Pins 1 & 2 |
   |    | alter                        |           |   closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Floppy drive interface       |   JP15    | Pins 1 & 2 |
   |    | enabled                      |           |   closed   |
   |----+------------------------------+-----------+------------|
   |    | Floppy drive interface       |   JP15    | Pins 2 & 3 |
   |    | disabled                     |           |   closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Parallel port is LPT1(378h)  |   JP16    | Pins 1 & 2 |
   |    |                              |           |   closed   |
   |----+------------------------------+-----------+------------|
   |    | Parallel port is LPT2(278h)  |   JP16    | Pins 2 & 3 |
   |    |                              |           |   closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Game port enabled            |   JP17    | Pins 1 & 2 |
   |    |                              |           |   closed   |
   |----+------------------------------+-----------+------------|
   |    | Game port disabled           |   JP17    | Pins 2 & 3 |
   |    |                              |           |   closed   |
   |----+------------------------------+-----------+------------|
   |>>  | Parity check disabled        |   JP27    |    Open    |
   |----+------------------------------+-----------+------------|
   |    | Parity check enabled         |   JP27    |   Closed   |
   |----+------------------------------+-----------+------------|
   |>>  | M/B Chipset is not ALI 1429  |   JP30    |   Closed   |
   |    | A/G                          |           |            |
   |----+------------------------------+-----------+------------|
   |    | M/B Chipset is ALI 1429 A/G  |   JP30    |    Open    |
   |------------------------------------------------------------|
   | Note: Parity check can only be enabled when using SIMMs    |
   | with parity bit.                                           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BIOS ADDRESS SELECTION                   |
   |------------------------------------------------------------|
   |         Address          |      JP23      |      JP24      |
   |--------------------------+----------------+----------------|
   |>> |     C8000-CFFFFh     |     Closed     |     Closed     |
   |---+----------------------+----------------+----------------|
   |   |     D0000-D7FFFh     |      Open      |     Closed     |
   |---+----------------------+----------------+----------------|
   |   |     D8000-DFFFFh     |     Closed     |      Open      |
   |---+----------------------+----------------+----------------|
   |   |     E0000-E7FFFh     |      Open      |      Open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  INTERFACE MODE SELECTION                  |
   |------------------------------------------------------------|
   |        Mode        |        J5         |        J6         |
   |--------------------+-------------------+-------------------|
   |       386SX        | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |--------------------+-------------------+-------------------|
   |       386DX        | Pins 1 & 2 closed | Pins 2 & 3 closed |
   |--------------------+-------------------+-------------------|
   |        486         | Pins 2 & 3 closed | Pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              CACHE I/O PORT ADDRESS SELECTION              |
   |------------------------------------------------------------|
   |         Address          |      JP25      |      JP26      |
   |--------------------------+----------------+----------------|
   |>> |     130h & 134h      |     Closed     |     Closed     |
   |---+----------------------+----------------+----------------|
   |   |     230h & 234h      |      Open      |     Closed     |
   |---+----------------------+----------------+----------------|
   |   |     300h & 304h      |     Closed     |      Open      |
   |---+----------------------+----------------+----------------|
   |   |     330h & 334h      |      Open      |      Open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               SERIAL PORT ADDRESS SELECTION                |
   |------------------------------------------------------------|
   |  PORT 1  |  PORT 2  |  JP18   |  JP19   |  JP20   |  JP21  |
   |----------+----------+---------+---------+---------+--------|
   |   COM1   |   COM2   |  1 & 2  |  1 & 2  |  1 & 2  | 1 & 2  |
   |----------+----------+---------+---------+---------+--------|
   |   COM1   |   COM4   |  1 & 2  |  1 & 2  |  1 & 2  | 2 & 3  |
   |----------+----------+---------+---------+---------+--------|
   |   COM1   | Disabled |  1 & 2  |  1 & 2  |  2 & 3  |  N/A   |
   |----------+----------+---------+---------+---------+--------|
   |   COM3   |   COM2   |  1 & 2  |  2 & 3  |  1 & 2  | 1 & 2  |
   |----------+----------+---------+---------+---------+--------|
   |   COM3   |   COM4   |  1 & 2  |  2 & 3  |  1 & 2  | 2 & 3  |
   |----------+----------+---------+---------+---------+--------|
   |   COM3   | Disabled |  1 & 2  |  2 & 3  |  2 & 3  |  N/A   |
   |----------+----------+---------+---------+---------+--------|
   | Disabled |   COM2   |  2 & 3  |   N/A   |  1 & 2  | 1 & 2  |
   |----------+----------+---------+---------+---------+--------|
   | Disabled |   COM4   |  2 & 3  |   N/A   |  1 & 2  | 2 & 3  |
   |----------+----------+---------+---------+---------+--------|
   | Disabled | Disabled |  2 & 3  |   N/A   |  2 & 3  |  N/A   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |                Size                |   JP28    |   JP29    |
   |------------------------------------+-----------+-----------|
   |  On-board DRAM enabled (256 x 16)  |   Open    |   Open    |
   |------------------------------------+-----------+-----------|
   |       On-board DRAM disabled       |  Closed   |  Closed   |
   |------------------------------------------------------------|
   | Note: When enabling DRAM do not fill Bank 0 and leave      |
   | jumper JP27 open.                                          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size     |    Bank 0    |    Bank 1    | On-board DRAM  |
   |-------------+--------------+--------------+----------------|
   |    512KB    | (2) 256 x 9  |     NONE     |      NONE      |
   |-------------+--------------+--------------+----------------|
   |    512KB    |     NONE     |     NONE     |  (1) 256 x 16  |
   |-------------+--------------+--------------+----------------|
   |     1MB     | (2) 256 x 9  | (2) 256 x 9  |      NONE      |
   |-------------+--------------+--------------+----------------|
   |     2Mb     | (2) 1MB x 9  |     NONE     |      NONE      |
   |-------------+--------------+--------------+----------------|
   |    2.5MB    | (2) 1MB x 9  |  (2) 256 x9  |      NONE      |
   |-------------+--------------+--------------+----------------|
   |    2.5MB    |     NONE     | (2) 1MB x 9  |  (1) 256 x 16  |
   |-------------+--------------+--------------+----------------|
   |     4MB     | (2) 1MB x 9  | (2) 1MB x 9  |      NONE      |
   |-------------+--------------+--------------+----------------|
   |     8MB     | (2) 4MB x 9  |     NONE     |      NONE      |
   |-------------+--------------+--------------+----------------|
   |    8.5MB    | (2) 4MB x 9  | (2) 256 x 9  |      NONE      |
   |-------------+--------------+--------------+----------------|
   |    8.5MB    |     NONE     | (2) 4MB x 9  |  (1) 256 x 16  |
   |-------------+--------------+--------------+----------------|
   |    10MB     | (2) 4MB x 9  | (2) 1MB x 9  |      NONE      |
   |-------------+--------------+--------------+----------------|
   |    16MB     | (2) 4MB x 9  | (2) 4MB x 9  |      NONE      |
   |------------------------------------------------------------|
   | Note: 0KB of memory is also a valid configuration.         |
   +------------------------------------------------------------+