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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
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

 
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