RANCHO TECHNOLOGY, INC.

RT1000C-6/RT1000C-8

Data bus:

8-bit, ISA

Size:

Half-length, full-height card

Hard drive supported:

Up to seven SCSI devices

Floppy drives supported:

Two 360KB, 720KB, 1.2MB or 1.44MB drives

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 enabled (BIOS-installed version)

J8

closed

 

Memory mapped data transfer enabled (BIOS not installed)

J8

open

»

Other drive is Drive A:

J9

open

 

Floptical drive is Drive A:

J9

closed

 

Factory configured - do not alter

J10

open

»

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