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RT10-AT

RANCHO TECHNOLOGY, INC.

RT10-AT

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: None

CONNECTIONS

Function

Location

50-pin SCSI connector-internal

J1

50-pin SCSI connector-external

J2

I/O PORT ADDRESS

Address

W1/1

W1/2

W1/3

W1/4

W1/5

W1/6

W1/7

W1/8*

340h

closed

closed

closed

open

closed

open

open

closed

 

348h

open

closed

closed

open

closed

open

open

closed

 

350h

closed

open

closed

open

closed

open

open

closed

 

358h

open

open

closed

open

closed

open

open

closed

 

360h

closed

closed

open

open

closed

open

open

closed

 

Note * Open disables Port Address

BIOS ADDRESS

Address

W2/1

W2/2

W2/3

W2/4

W2/5

W2/6*

D000h

pins 1 & 2

pins 2 & 3

pins 2 & 3

closed

open

closed

 

D400h

pins 1 & 2

pins 2 & 3

pins 1 & 2

closed

open

closed

 

D800h

pins 1 & 2

pins 2 & 3

pins 2 & 3

open

open

closed

 

DC00h

pins 1 & 2

pins 2 & 3

pins 1 & 2

open

open

closed

 

C000h

pins 1 & 2

pins 2 & 3

pins 2 & 3

closed

closed

closed

 

C400h

pins 1 & 2

pins 2 & 3

pins 1 & 2

closed

closed

closed

 

C800h

pins 1 & 2

pins 2 & 3

pins 2 & 3

open

closed

closed

 

CC00h

pins 1 & 2

pins 2 & 3

pins 1 & 2

open

closed

closed

Note:Pins designated should be in the closed position.

* Open disables BIOS Address

INTERRUPT REQUEST (BUS MASTER)

IRQ

W6/9

W6/10

W6/11

W6/12

W6/13

IRQ15

closed

open

open

open

open

IRQ14

open

closed

open

open

open

IRQ12

open

open

closed

open

open

IRQ11

open

open

open

closed

open

IRQ10

open

open

open

open

closed

ROM SIZE

ROM Size

W3/pins 2 & 3

W3/pins 4 & 5

BIOS ROM size is 8KB

open

open

BIOS ROM size is 16KB

closed

open

BIOS ROM size is 32KB

closed

closed

DMA CHANNEL (HOST)

Channel

W4/jumpers 7 & 10

W4/jumpers 8 & 11

W4/jumpers 9 & 12

1

closed

open

open

2

open

closed

open

3

open

open

closed

INTERRUPT REQUEST (HOST)

IRQ

W4/1

W4/2

W4/3

W4/4

W4/5

W4/6

IRQ3

closed

open

open

open

open

open

IRQ4

open

closed

open

open

open

open

IRQ5

open

open

closed

open

open

open

IRQ6

open

open

open

closed

open

open

IRQ7

open

open

open

open

closed

open

IRQ9

open

open

open

open

open

closed

READ PORT CONFIGURATION JUMPERS - JP5

Setting

D0

D1

D2

D3

D4

D5

Address is 340h

open

open

N/A

N/A

N/A

N/A

Address is 328h

closed

open

N/A

N/A

N/A

N/A

Address is 310h

open

closed

N/A

N/A

N/A

N/A

Address is 300h

closed

closed

N/A

N/A

N/A

N/A

RAM address. is 0:4B0h

N/A

N/A

open

N/A

N/A

N/A

RAM address. is 0:300h

N/A

N/A

closed

N/A

N/A

N/A

Data transfer polled I/O

N/A

N/A

N/A

open

open

N/A

DREQ5/DACK5 (HS)

N/A

N/A

N/A

closed

open

N/A

DREQ6/DACK6 (HS)

N/A

N/A

N/A

open

closed

N/A

DREQ3/DACK3

N/A

N/A

N/A

closed

closed

N/A

Parity, Inquiry & Verify Cmd. enabled

N/A

N/A

N/A

N/A

N/A

open

Parity, Inquiry & Verify Cmd. disabled

N/A

N/A

N/A

N/A

N/A

closed

DMA CHANNEL (BUS MASTER) JUMPERS - W6

Channel

Jumpers 1 & 5

Jumpers 2 & 6

Jumpers 3 & 7

Jumpers 4 & 8

7

closed

open

open

open

6

open

closed

open

open

5

open

open

closed

open

0

open

open

open

closed