UNIDENTIFIED
============

   SAB-750, SAB-760

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit, ISA                            |
   |-------------------+----------------------------------------|
   | Size:             | Half-length, full-height card          |
   |-------------------+----------------------------------------|
   | Hard drive        | Two IDE (AT) Interface drives          |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/U-Z/20355-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 10-pin serial port (COM1/3) - external      |     CN1      |
   |---------------------------------------------+--------------|
   | 25-pin parallel port (LPT1/2) - external    |     CN2      |
   |---------------------------------------------+--------------|
   | 40-pin AT Interface (IDE) connector         |      J1      |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector-floppy drive |      J2      |
   |---------------------------------------------+--------------|
   | 10-pin serial port (COM2/4) - internal      |      J3      |
   |---------------------------------------------+--------------|
   | 15-pin game port - internal (SAB-760 only)  |      J4      |
   |---------------------------------------------+--------------|
   | 2-pin connector-Drive active LED            |      J5      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            |   Location   |  Setting   |
   |--------------------------------+--------------+------------|
   |>> | Serial Port 1 (CN1)        | JP1/jumper 1 | pins 1 & 2 |
   |   | enabled                    |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Serial Port 1 (CN1)        | JP1/jumper 1 | pins 2 & 3 |
   |   | disabled                   |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Serial Port 1 (CN1) is set | JP1/jumper 2 | pins 1 & 2 |
   |   | to COM1                    |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Serial Port 1 (CN1) is set | JP1/jumper 2 | pins 2 & 3 |
   |   | to COM3                    |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Serial Port 2 (J3) enabled | JP1/jumper 3 | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Serial Port 2 (J3)         | JP1/jumper 3 | pins 2 & 3 |
   |   | disabled                   |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Serial Port 2 (J3) is set  | JP1/jumper 4 | pins 1 & 2 |
   |   | to COM2                    |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Serial Port 2 (J3) is set  | JP1/jumper 4 | pins 2 & 3 |
   |   | to COM4                    |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Paralell Port (CN2)        | JP1/jumper 5 | pins 1 & 2 |
   |   | enabled                    |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Parallel Port (CN2)        | JP1/jumper 5 | pins 2 & 3 |
   |   | disabled                   |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Parallel Port 1 (CN2) is   | JP1/jumper 6 | pins 1 & 2 |
   |   | set to LPT2                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Parallel Port 1 (CN2) is   | JP1/jumper 6 | pins 2 & 3 |
   |   | set to LPT3                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive enabled       | JP1/jumper 7 | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive disabled      | JP1/jumper 7 | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Floppy drive port address  | JP1/jumper 8 | pins 1 & 2 |
   |   | is 3F0-3F7h                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Floppy drive port address  | JP1/jumper 8 | pins 2 & 3 |
   |   | is 370-377h                |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive enabled         | JP1/jumper 9 | pins 1 & 2 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive disabled        | JP1/jumper 9 | pins 2 & 3 |
   |   |                            |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive port address is |  JP1/jumper  | pins 1 & 2 |
   |   | 1F0-1F7h                   |      10      |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive port address is |  JP1/jumper  | pins 2 & 3 |
   |   | 170-177h                   |      10      |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Game Port (J4) enabled (   |  JP1/jumper  | pins 1 & 2 |
   |   | for SAB-760)               |      11      |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Game Port (J4) disabled (  |  JP1/jumper  | pins 2 & 3 |
   |   | for SAB-750)               |      11      |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Hard drive present         |  JP1/jumper  | pins 1 & 2 |
   |   |                            |      12      |   closed   |
   |---+----------------------------+--------------+------------|
   |   | No hard drive present      |  JP1/jumper  | pins 2 & 3 |
   |   |                            |      12      |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Serial Port 2 (J3) uses    | JP2/jumper 1 | pins 1 & 2 |
   |   | IRQ4                       |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Serial Port 2 (J3) uses    | JP2/jumper 1 | pins 2 & 3 |
   |   | IRQ3                       |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Serial Port 1 (CN1) uses   | JP2/jumper 2 | pins 2 & 3 |
   |   | IRQ3                       |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Serial Port 1 (CN1) uses   | JP2/jumper 2 | pins 1 & 2 |
   |   | IRQ4                       |              |   closed   |
   |---+----------------------------+--------------+------------|
   |>> | Parallel Port (CN2) uses   | JP2/jumper 3 | pins 2 & 3 |
   |   | IRQ7                       |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Parallel Port (CN2) uses   | JP2/jumper 3 | pins 1 & 2 |
   |   | IRQ5                       |              |   closed   |
   +------------------------------------------------------------+