RANCHO TECHNOLOGY, INC.
=======================

   RT2003-PC

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:                | 8-bit, ISA                      |
   |--------------------------+---------------------------------|
   | Size:                    | Full-length, full-height card   |
   |--------------------------+---------------------------------|
   | Hard drive supported:    | Up to seven SCSI devices        |
   |--------------------------+---------------------------------|
   | Floppy drives supported: | None                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/P-R/20772-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                Function                 |     Location     |
   |-----------------------------------------+------------------|
   | 50-pin SCSI connector-internal          |        J1        |
   |-----------------------------------------+------------------|
   | 50-pin SCSI connector-external          |        J2        |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/P-R/20772-2.png>
   

   PCB SOLDER SIDE

   +------------------------------------------------------------+
   |                          BIOS ROM                          |
   |------------------------------------------------------------|
   | Type  | JP1/A | JP1/B | JP1/C |  E1   |  E2  |  E3  |  E4  |
   |-------+-------+-------+-------+-------+------+------+------|
   |>>|2716 | open  | open  |closed | open  | open | open | open |
   |-+-----+-------+-------+-------+-------+------+------+------|
   | |2732 | open  |closed | open  |closed |closed|closed|closed|
   |-+-----+-------+-------+-------+-------+------+------+------|
   | |2764 |closed | open  | open  |closed |closed|closed|closed|
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   INTERRUPT SELECT - JP2                   |
   |------------------------------------------------------------|
   | IRQ  | Jumper | Jumper | Jumper | Jumper | Jumper | Jumper |
   |      |   A    |   B    |   C    |   D    |   E    |   F    |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ2 | closed |  open  |  open  |  open  |  open  |  open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ3 |  open  | closed |  open  |  open  |  open  |  open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ4 |  open  |  open  | closed |  open  |  open  |  open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ5 |  open  |  open  |  open  | closed | closed |  open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ6 |  open  |  open  |  open  |  open  | closed |  open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ7 |  open  |  open  |  open  |  open  | closed | closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  DMA CHANNEL SELECT - JP2                  |
   |------------------------------------------------------------|
   |Channel|Jumper G|Jumper H|Jumper I|Jumper J|Jumper K|Jumper |
   |       |        |        |        |        |        |   L   |
   |-------+--------+--------+--------+--------+--------+-------|
   | DMA1  | closed |  open  |  open  | closed |  open  | open  |
   |-------+--------+--------+--------+--------+--------+-------|
   | DMA2  |  open  | closed |  open  |  open  | closed | open  |
   |-------+--------+--------+--------+--------+--------+-------|
   | DMA3  |  open  |  open  | closed |  open  |  open  |closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        I/O ADDRESS                         |
   |------------------------------------------------------------|
   |Address| S1/1 | S1/2 | S1/3 | S1/4 | S1/5 |S1/6 |S1/7 |S1/8 |
   |-------+------+------+------+------+------+-----+-----+-----|
   | 300h  |  on  |  on  |  on  |  on  |  on  | on  | off | off |
   |-------+------+------+------+------+------+-----+-----+-----|
   | 320h  |  on  |  on  |  on  | off  |  on  | on  | off | off |
   |-------+------+------+------+------+------+-----+-----+-----|
   |  324  | off  |  on  |  on  | off  |  on  | on  | off | off |
   |-------+------+------+------+------+------+-----+-----+-----|
   |  328  |  on  | off  |  on  | off  |  on  | on  | off | off |
   |-------+------+------+------+------+------+-----+-----+-----|
   |  32C  | off  | off  |  on  | off  |  on  | on  | off | off |
   +------------------------------------------------------------+