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