RANCHO TECHNOLOGY, INC.
RT1600
| 
 | |
| Data bus: | 16-bit, ISA | 
| Size: | Half-length, full-height card | 
| Hard drive supported: | Up to seven SCSI devices | 
| Floppy drives supported: | Four 360KB, 720KB, 1.2MB, or 1.44MB drives | 
 
| CONNECTIONS | |
| Function | Location | 
| 34-pin control cable connector - floppy drive 0 | J2 | 
| 34-pin control cable connector - floppy drive 1 | J3 | 
| 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 alter | J1/jumper B | open | 
| » | Factory configured - do not alter | J1/jumper E | open | 
| » | Factory configured - do not alter | J1/jumper G | open | 
| » | Factory configured - do not alter | J1/jumper H | open | 
| » | Factory configured - do not alter | J1/jumper I | open | 
| » | Factory configured - do not alter | J1/jumper J | open | 
| » | Factory configured - do not alter | J1/jumper K | open | 
| » | Factory configured - do not alter | J1/jumper E | open | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Location | Setting | |
| » | Factory configured - do not alter | J1/jumper O | open | 
| » | Factory configured - do not alter | J1/jumper Q | open | 
| BIOS installed | J5/jumper A | closed | |
| BIOS not installed | J5/jumper A | open | |
| » | Floppy drive enabled | J5/jumper B | closed | 
| Floppy drive disabled | J5/jumper B | open | |
| » | ATA disabled | J5/jumper C | closed | 
| ATA enabled | J5/jumper C | open | |
| » | I/O address = 330h | J5/jumper D | open | 
| I/O address = 230h | J5/jumper D | closed | |
| » | Factory configured - do not alter | J5/jumper G | closed | 
| » | Factory configured - do not alter | J5/jumper H | closed | 
| » | SCSI active termination enabled | J5/jumper I | closed | 
| SCSI active termination disabled | J5/jumper I | open | |
| » | Factory configured - do not alter | J5/jumper J | open | 
| » | PIO data transfer mode enabled | J5/jumper K | closed | 
| DMA data transfer mode enabled | J5/jumper K | open | |
| Zero wait state enabled | J5/jumper Q | closed | |
| Zero wait state disabled | J5/jumper Q | open | |
| » | Remote terminator power disabled | J6 | open | 
| Remote terminator power enabled | J6 | closed | |
| » | Current back-flow diode CR1 enabled | J8 | open | 
| Current back-flow diode CR1 disabled | J8 | closed | |
| DMA CHANNEL | ||||||
| DMA | J1/jumper A | J1/jumper C | J1/jumper D | J1/jumper F | J5/jumper 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 |