SUMO SYSTEMS / STORAGE PLUS, INC.
=================================

   SPI300

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

<gopher://bitreich.org/I/th99/c/S-T/20819-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 50-pin SCSI connector - external              |     J1     |
   |-----------------------------------------------+------------|
   | 50-pin SCSI connector - internal              |     J2     |
   |-----------------------------------------------+------------|
   | 26-pin SCSI connector - internal              |     J3     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |     J4     |
   |-----------------------------------------------+------------|
   | 4-pin connector - drive active LED            |     J6     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Floppy controller enabled         |   JP1    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Floppy controller disabled        |   JP1    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | I/O base address is 330h - 33Fh   |   JP2    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | I/O base address is 230h - 23Fh   |   JP2    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | FDISK enabled for drive 2         |   SW0    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | Use ZDRV.SYS device driver for    |   SW0    | closed  |
   |   | drive 2                           |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | DMA channel 7 select              |   SW1    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | DMA channel 6 select              |   SW1    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   SW2    |   N/A   |
   |---+-----------------------------------+----------+---------|
   |>> | IRQ15 select                      |   SW3    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | IRQ14 select                      |   SW3    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | 17 sectors/track select           |   SW4    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | 32 sectors/track & 64 heads       |   SW4    | closed  |
   |   | /cylinder select                  |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | ISA compatible timing selected    |   SW5    |  open   |
   |---+-----------------------------------+----------+---------|
   |   | EISA compatible timing selected   |   SW5    | closed  |
   |---+-----------------------------------+----------+---------|
   |>> | Factory configured - do not alter |   SW6    |   N/A   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MEMORY BASE ADDRESS SELECTION                |
   |------------------------------------------------------------|
   |       Address         |       JP3        |       JP4       |
   |-----------------------+------------------+-----------------|
   |>>  |      DC000h      |      closed      |     closed      |
   |----+------------------+------------------+-----------------|
   |    |      C8000h      |       open       |      open       |
   |----+------------------+------------------+-----------------|
   |    |      CC000h      |      closed      |      open       |
   |----+------------------+------------------+-----------------|
   |    |      D8000h      |       open       |     closed      |
   +------------------------------------------------------------+