ORCHID TECHNOLOGY
=================

   SUPER IDE/VLB CONTROLLER

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit, VL-Bus                         |
   |-------------------+----------------------------------------|
   | Size:             | Full-length, half-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/M-O/20346-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 9-pin serial port (COM1/3) - external         |    CN1     |
   |-----------------------------------------------+------------|
   | 25-pin parallel port (LPT1/2) - external      |    CN2     |
   |-----------------------------------------------+------------|
   | 40-pin IDE(AT) Interface connector            |    JP4     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    JP6     |
   |-----------------------------------------------+------------|
   | 10-pin serial port (COM2/4) - internal        |    JP8     |
   |-----------------------------------------------+------------|
   | 15-pin game port - internal                   |    JP9     |
   |-----------------------------------------------+------------|
   | 4-pin connector - Drive active LED            |    JP20    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |         LPT         |     Jumper J6     |    Jumper J7     |
   |---------------------+-------------------+------------------|
   |   | LPT2 (378-37Fh) | pins 1 & 2 closed |    pins 1 & 2    |
   |   |                 |                   |      closed      |
   |---+-----------------+-------------------+------------------|
   |   |    Disabled     | pins 1 & 2 closed |    pins 2 & 3    |
   |   |                 |                   |      closed      |
   |---+-----------------+-------------------+------------------|
   |   | LPT3 (278-27Fh) | pins 2 & 3 closed |    pins 1 & 2    |
   |   |                 |                   |      closed      |
   |---+-----------------+-------------------+------------------|
   |>> | LPT1 (3BC-3BFh) | pins 2 & 3 closed |    pins 2 & 3    |
   |   |                 |                   |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT INTERRUPT REQUEST               |
   |------------------------------------------------------------|
   |              IRQ               | Jumper JP14 | Jumepr JP15 |
   |--------------------------------+-------------+-------------|
   |>> | Parallel port interrupt is |    open     |    open     |
   |   | disabled                   |             |             |
   |---+----------------------------+-------------+-------------|
   |   | Parallel port interrupt is |    open     |   closed    |
   |   | IRQ7                       |             |             |
   |---+----------------------------+-------------+-------------|
   |   | Parallel port interrupt is |   closed    |    open     |
   |   | IRQ5                       |             |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy drive enabled           |    J1    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive disabled          |    J1    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive port address is     |    J2    | Pins 2 & 3 |
   |   | 1F0-1F7h                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive port address is     |    J2    | Pins 1 & 2 |
   |   | 170-177h                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive A:/B: order       |    J3    | Pins 2 & 3 |
   |   | normal                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive A:/B: order       |    J3    | Pins 1 & 2 |
   |   | changed                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive enabled             |    J4    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive disabled            |    J4    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive I/O port address is |    J5    | Pins 2 & 3 |
   |   | 1F0-1F7, 3F0-3F7h              |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive I/O port address is |    J5    | Pins 1 & 2 |
   |   | 170-177, 370-377h              |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Game port enabled              |   J12    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Game port disabled             |   J12    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDE Cycle is VESA              |   J15    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |   |                                |   JP17   |            |
   |   |                                |          |    open    |
   |---+--------------------------------+----------+------------|
   |   | IDE Cycle is ISA               |   J15    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |   |                                |   JP17   |            |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | VL bus clock speed is 33MHz or |   J16    | pins 2 & 3 |
   |   | 50MHz                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | VL bus clock speed is 25MHz or |   J16    | pins 1 & 2 |
   |   | 40MHz                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | One IDE(AT) hard drives        |   JP5    |   closed   |
   |   | supported                      |          |            |
   |---+--------------------------------+----------+------------|
   |   | Two IDE(AT) hard drives        |   JP5    |    open    |
   |   | supported                      |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Parallel Port (CN2) is an I/O  |   JP7    |   closed   |
   |   | port                           |          |            |
   |---+--------------------------------+----------+------------|
   |   | Parallel Port (CN2) is an      |   JP7    |    open    |
   |   | input port only                |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive interrupt is IRQ14  |   JP10   |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive interrupt is        |   JP10   |    open    |
   |   | disabled                       |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Serial Port 2 interrupt is     |   JP11   |   closed   |
   |   | IRQ3                           |          |            |
   |---+--------------------------------+----------+------------|
   |   | Serial Port 2 interrupt is     |   JP11   |    open    |
   |   | disabled                       |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Serial Port 1 interrupt is     |   JP12   |   closed   |
   |   | IRQ4                           |          |            |
   |---+--------------------------------+----------+------------|
   |   | Serial Port 1 interrupt is     |   JP12   |    open    |
   |   | disabled                       |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive interrupt is IRQ6 |   JP13   |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive interrupt is      |   JP13   |    open    |
   |   | disabled                       |          |            |
   |---+--------------------------------+----------+------------|
   |   | Factory Configured - do not    |   JP16   |    open    |
   |   | alter                          |          |            |
   |---+--------------------------------+----------+------------|
   |   | Factory Configured - do not    |   JP18   |    open    |
   |   | alter                          |          |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |     Jumper J8      |     Jumper J9      |
   |------------------+--------------------+--------------------|
   |   |     COM3     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     COM4     | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |     COM1     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |     Jumper J10     |     Jumper J11     |
   |------------------+--------------------+--------------------|
   |   |     COM4     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     COM4     | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |     COM2     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+