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# RANCHO TECHNOLOGY, INC.
RT1600
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|---------------+--------------------------------------------|
| Size: | Half-length, full-height card |
|---------------+--------------------------------------------|
| Hard drive | Up to seven SCSI devices |
| supported: | |
|---------------+--------------------------------------------|
| Floppy drives | Four 360KB, 720KB, 1.2MB, or 1.44MB drives |
| supported: | |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------------+-------------|
| 34-pin control cable connector - floppy | J2 |
| drive 0 | |
|----------------------------------------------+-------------|
| 34-pin control cable connector - floppy | J3 |
| drive 1 | |
|----------------------------------------------+-------------|
| 50-pin SCSI connector-internal | J4 |
|----------------------------------------------+-------------|
| 50-pin SCSI connector-external | P1 |
|----------------------------------------------+-------------|
| 2-pin connector - chassis ground | J7 |
|----------------------------------------------+-------------|
| 2-pin connector - drive active LED | J5/jumper O |
|----------------------------------------------+-------------|
| 2-pin connector - drive active LED | J5/jumper P |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|--------------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | B | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | E | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | G | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | H | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | I | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | J | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | K | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | E | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|--------------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | O | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J1/jumper | open |
| | alter | Q | |
|---+----------------------------------+-----------+---------|
| | BIOS installed | J5/jumper | closed |
| | | A | |
|---+----------------------------------+-----------+---------|
| | BIOS not installed | J5/jumper | open |
| | | A | |
|---+----------------------------------+-----------+---------|
| » | Floppy drive enabled | J5/jumper | closed |
| | | B | |
|---+----------------------------------+-----------+---------|
| | Floppy drive disabled | J5/jumper | open |
| | | B | |
|---+----------------------------------+-----------+---------|
| » | ATA disabled | J5/jumper | closed |
| | | C | |
|---+----------------------------------+-----------+---------|
| | ATA enabled | J5/jumper | open |
| | | C | |
|---+----------------------------------+-----------+---------|
| » | I/O address = 330h | J5/jumper | open |
| | | D | |
|---+----------------------------------+-----------+---------|
| | I/O address = 230h | J5/jumper | closed |
| | | D | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J5/jumper | closed |
| | alter | G | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J5/jumper | closed |
| | alter | H | |
|---+----------------------------------+-----------+---------|
| » | SCSI active termination enabled | J5/jumper | closed |
| | | I | |
|---+----------------------------------+-----------+---------|
| | SCSI active termination disabled | J5/jumper | open |
| | | I | |
|---+----------------------------------+-----------+---------|
| » | Factory configured - do not | J5/jumper | open |
| | alter | J | |
|---+----------------------------------+-----------+---------|
| » | PIO data transfer mode enabled | J5/jumper | closed |
| | | K | |
|---+----------------------------------+-----------+---------|
| | DMA data transfer mode enabled | J5/jumper | open |
| | | K | |
|---+----------------------------------+-----------+---------|
| | Zero wait state enabled | J5/jumper | closed |
| | | Q | |
|---+----------------------------------+-----------+---------|
| | Zero wait state disabled | J5/jumper | open |
| | | Q | |
|---+----------------------------------+-----------+---------|
| » | Remote terminator power disabled | J6 | open |
|---+----------------------------------+-----------+---------|
| | Remote terminator power enabled | J6 | closed |
|---+----------------------------------+-----------+---------|
| » | Current back-flow diode CR1 | J8 | open |
| | enabled | | |
|---+----------------------------------+-----------+---------|
| | Current back-flow diode CR1 | J8 | closed |
| | disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
| DMA |J1/jumper|J1/jumper|J1/jumper|J1/jumper|J5/jumper|
| | A | C | D | F | L |
|----------+---------+---------+---------+---------+---------|
|»| DMA5 | closed | open | closed | open | closed |
|-+--------+---------+---------+---------+---------+---------|
| | DMA7 | open | closed | open | closed | open |
|-+--------+---------+---------+---------+---------+---------|
| |Disabled| open | open | open | open | n/a |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | J1/L | J1/M | J1/N | J1/P | J5/M | J5/N |
|---------+--------+--------+--------+-------+-------+-------|
|»| IRQ10 | closed | open | open | open | open | open |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ11 | open | closed | open | open |closed |closed |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ12 | open | open | closed | open | open |closed |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ15 | open | open | open |closed |closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY ADDRESS - J5 |
|------------------------------------------------------------|
| Address | Jumper E | Jumper F |
|-------------------+--------------------+-------------------|
| C800h | open | open |
|-------------------+--------------------+-------------------|
| D800h | closed | open |
+------------------------------------------------------------+