GSI, INC.
=========

   MODEL 18 INTELLIGENT IDEA

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:                | 16-bit, ISA                     |
   |--------------------------+---------------------------------|
   | Size:                    | Half-length, half-height card   |
   |--------------------------+---------------------------------|
   | Hard drive supported:    | Two IDE (AT) Interface drives   |
   |--------------------------+---------------------------------|
   | Floppy drives supported: | None                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/E-H/20410-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 5-pin connector - DC power               |       J5        |
   |------------------------------------------+-----------------|
   | 40-pin IDE(AT) Interface connector       |       J6        |
   |------------------------------------------+-----------------|
   | 4-pin connector - Drive active LED       |       J8        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |  Settings for Model 18 with  |                             |
   |    Part # 1533-18-03-1 or    |                             |
   |           earlier            |                             |
   |------------------------------+-----------------------------|
   |      |        Address        | J4/jumper 1  | J4/jumper 2  |
   |------+-----------------------+--------------+--------------|
   |      |      C800-C9FFh       |  pins 1 & 2  |  pins 1 & 2  |
   |      |                       |    closed    |    closed    |
   |------+-----------------------+--------------+--------------|
   |>>    |      D800-D9FFh       |  pins 2 & 3  |  pins 1 & 2  |
   |      |                       |    closed    |    closed    |
   |------+-----------------------+--------------+--------------|
   |      |      DC00-DDFFh       |  pins 2 & 3  |  pins 2 & 3  |
   |      |                       |    closed    |    closed    |
   |------+-----------------------+--------------+--------------|
   |      |      E000-E1FFh       |  pins 1 & 2  |  pins 2 & 3  |
   |      |                       |    closed    |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            |   Location   |  Setting   |
   |--------------------------------+--------------+------------|
   |>> | Hard drive port address is | JP4/jumper 2 | pins 1 & 2 |
   |   | 1F0-1F7h (secondary)       |              |   closed   |
   |---+----------------------------+--------------+------------|
   |   | Hard drive port address is | JP4/jumper 2 | pins 2 & 3 |
   |   | 1F0-1F7h (primary)         |              |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |  Settings for Model 18 with  |                             |
   | Part # 1533-18-04-7 or later |                             |
   |------------------------------+-----------------------------|
   |      |        Address        | J4/jumper 3  | J4/jumper 4  |
   |------+-----------------------+--------------+--------------|
   |      |      C800-C9FFh       |  pins 1 & 2  |  pins 1 & 2  |
   |      |                       |    closed    |    closed    |
   |------+-----------------------+--------------+--------------|
   |>>    |      D000-D1FFh       |  pins 1 & 2  |  pins 2 & 3  |
   |      |                       |    closed    |    closed    |
   |------+-----------------------+--------------+--------------|
   |      |      D800-D9FFh       |  pins 2 & 3  |  pins 1 & 2  |
   |      |                       |    closed    |    closed    |
   |------+-----------------------+--------------+--------------|
   |      |      E000-E1FFh       |  pins 2 & 3  |  pins 2 & 3  |
   |      |                       |    closed    |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | Model 18 with Part # 1533-18-03-1 or earlier does not      |
   | support hard drive port address 1F0-1F7h.                  |
   |                                                            |
   | J4/jumper 3 and J4/jumper 4 are not used on Model 18 with  |
   | Part # 1533-18-03-1 or earlier.                            |
   |                                                            |
   | J4/jumper 1 is not used on Model 18 with Part #            |
   | 1533-18-04-7 or later.                                     |
   +------------------------------------------------------------+