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# RANCHO TECHNOLOGY, INC.
RT1000C-6/RT1000C-8
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 8-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Half-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Up to seven SCSI devices |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 50-pin SCSI connector - internal | J15 |
|------------------------------------------+-----------------|
| 50-pin SCSI connector - external | J18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| | I/O mapped data transfer | J8 | closed |
| | enabled (BIOS-installed | | |
| | version) | | |
|---+--------------------------------+----------+------------|
| | Memory mapped data transfer | J8 | open |
| | enabled (BIOS not installed) | | |
|---+--------------------------------+----------+------------|
| » | Other drive is Drive A: | J9 | open |
|---+--------------------------------+----------+------------|
| | Floptical drive is Drive A: | J9 | closed |
|---+--------------------------------+----------+------------|
| | Factory configured - do not | J10 | open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Zero Wait State disabled | J14 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Zero Wait State enabled | J14 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Terminator power disabled | J16 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Terminator power enabled | J16 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY ADDRESS (MEMORY-MAPPED MODE) |
|------------------------------------------------------------|
| Base Address | J1 | J2 | J3 |
|------------------------+-----------+-----------+-----------|
| » | DC00h | closed | open | open |
|--------+---------------+-----------+-----------+-----------|
| | C800h | open | open | closed |
|--------+---------------+-----------+-----------+-----------|
| | CC00h | closed | open | closed |
|--------+---------------+-----------+-----------+-----------|
| | D000h | open | closed | closed |
|--------+---------------+-----------+-----------+-----------|
| | D400h | closed | closed | closed |
|--------+---------------+-----------+-----------+-----------|
| | D800h | open | open | open |
|--------+---------------+-----------+-----------+-----------|
| | E000h | open | closed | open |
|--------+---------------+-----------+-----------+-----------|
| | E400h | closed | closed | open |
|------------------------------------------------------------|
| Note:This table applies to versions that do not have a |
| BIOS installed (J8 is open). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS (I/O MAPPED MODE) |
|------------------------------------------------------------|
| Base Address | J1 | J2 | J3 |
|----------------+--------------+--------------+-------------|
| » | 348h | closed | open | open |
|---+------------+--------------+--------------+-------------|
| | 280h | closed | closed | closed |
|---+------------+--------------+--------------+-------------|
| | 290h | open | closed | closed |
|---+------------+--------------+--------------+-------------|
| | 300h | closed | open | closed |
|---+------------+--------------+--------------+-------------|
| | 310h | open | open | closed |
|---+------------+--------------+--------------+-------------|
| | 330h | closed | closed | open |
|---+------------+--------------+--------------+-------------|
| | 340h | open | closed | open |
|---+------------+--------------+--------------+-------------|
| | 350h | open | open | open |
|------------------------------------------------------------|
| Note:This table applies to versions that have a BIOS |
| installed (J8 is closed). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | J4 | J5 | J6 | J7 |
|----------+------------+------------+-----------+-----------|
| IRQ3 | open | open | open | closed |
|----------+------------+------------+-----------+-----------|
| IRQ4 | open | open | closed | open |
|----------+------------+------------+-----------+-----------|
| IRQ5 | open | closed | open | open |
|----------+------------+------------+-----------+-----------|
| IRQ7 | closed | open | open | open |
+------------------------------------------------------------+