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# 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 |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------+------------------|
| 50-pin SCSI connector-internal | J1 |
|-----------------------------------------+------------------|
| 50-pin SCSI connector-external | J2 |
+------------------------------------------------------------+
IMG IMG 2
PCB SOLDER SIDE
+------------------------------------------------------------+
| BIOS ROM |
|------------------------------------------------------------|
| Type | JP1/A | JP1/B | JP1/C | E1 | E2 | E3 | E4 |
|-------+-------+-------+-------+-------+------+------+------|
|ยป|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 |
+------------------------------------------------------------+