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RT1000A

RANCHO TECHNOLOGY, INC.

RT1000A

Data bus: 8-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: Two 360KB, 720KB,1.2MB, or 1.44MB

CONNECTIONS

Function

Location

50-pin SCSI connector-external

J1

50-pin SCSI connector-internal

J2

34-pin data cable connector-floppy drive

J3

BIOS ADDRESS

Address

X4

X5

X6

D4000h

closed

closed

open

CC000h

open

closed

open

D0000h

closed

open

open

C8000h

open

open

open

E4000h

closed

closed

closed

DC000h

open

closed

closed

E0000h

closed

open

closed

D8000h

open

open

closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive write precompensation is 187ns

X1

open

 

Floppy drive write precompensation is 125ns

X1

closed

Single-speed floppy drive supported

X2

open

 

Dual speed floppy drive supported

X2

closed

Floppy drive port address is 377h

X3

open

 

Floppy drive port address is 3F7h

X3

closed

Remote terminal power not supported

X7

open

 

Supports remote terminal power

X7

closed

Zero wait state enabled

X12

closed

 

Zero wait state disabled

X12

open

Floppy drive enabled

X13

closed

 

Floppy drive disabled

X13

open

Non applicable to this card. For MCA card only

X14

open

Supports drives other than Syquest

X15

open

 

Supports Syquest and some removable media drives

X15

closed

SCSI DOS hard drive boot enabled.

X16

open

 

SCSI DOS hard drive boot disabled.

X16

closed

Factory configured - do not alter

X17

open

Bus reset delay is 30 seconds

X18

closed

 

Bus reset delay is 5 seconds

X18

open

INTERRUPT REQUEST

IRQ

X8

X9

X10

X11

IRQ7

closed

open

open

open

IRQ5

open

closed

open

open

IRQ4

open

open

closed

open

IRQ3

open

open

open

closed