HwMuseum | Index

SANTA CLARA SYSTEMS, INC.

AT TERMINAL

Processor

80286

Processor Speed

Unidentified

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

1MB

Maximum Video Memory

None

Cache

None

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

Network connectors (2)

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Network connector

CN1

Network connector

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

W1/3

Unidentified

»

Factory configured - do not alter

W1/4

Unidentified

 

Internal Network Data Bus enabled

W12

Closed

 

Internal Network Data Bus disabled

W12

Open

Note: The number of jumpers that comprise W12 are unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

256KB(A)

(18) 4164

(18) 4164

256KB(B)

(18) 41256

None

640KB

(18) 41256

(18) 4164

1MB

(18) 41256

(18) 41256

Note: The location of banks 0 & 1 are unidentified.

DRAM SWITCH CONFIGURATION

Size

W1/1

W1/2

256KB(A)

On

On

256KB(B)

On

Off

640KB

Off

On

1MB

Off

Off

DMA CHANNEL SELECTION

Channel

W6

W7

 

0

Pins 1 & 2 closed

Pins 1 & 2 closed

»

1

Pins 3 & 4 closed

Pins 3 & 4 closed

 

2

Pins 5 & 6 closed

Pins 5 & 6 closed

 

3

Pins 7 & 8 closed

Pins 7 & 8 closed

IRQ SELECTION (TXD/RXD)

IRQ

W8

»

2

Pins 1 & 2 closed

 

3

Pins 3 & 4 closed

 

4

Pins 5 & 6 closed

 

5

Pins 7 & 8 closed

IRQ SELECTION (TIMEOUT)

IRQ

W11

 

2

Pins 1 & 2 closed

»

3

Pins 3 & 4 closed

 

4

Pins 5 & 6 closed

 

5

Pins 7 & 8 closed

PORT ADDRESS SELECTION

Setting

W9

W10

 

2XXh

Pins 2 & 3 closed

N/A

»

3XXh

Pins 1 & 2 closed

N/A

»

X8Fh

N/A

Pins 1 & 2 closed

 

X9Fh

N/A

Pins 2 & 3 closed

NETWORK ID SELECTION

ID

U189/1

U189/2

U189/3

U189/4

U189/5

U189/6

U189/7

U189/8

0011

Off

Off

Off

Off

Off

Off

Off

Off

0012

Off

Off

Off

Off

Off

Off

Off

Off

0013

Off

Off

Off

Off

Off

Off

Off

Off

0014

Off

Off

Off

Off

Off

Off

Off

Off

0015

Off

Off

Off

Off

Off

Off

Off

Off

0016

Off

Off

Off

Off

Off

Off

Off

Off

0017

Off

Off

Off

Off

Off

Off

Off

Off

0018

Off

Off

Off

Off

Off

Off

Off

Off

NETWORK ID SELECTION (CON’T)

ID

U192/1

U192/2

U192/3

U192/4

U192/5

U192/6

U192/7

U192/8

0011

Off

Off

Off

On

Off

Off

Off

On

0012

Off

Off

Off

On

Off

Off

On

Off

0013

Off

Off

Off

On

Off

Off

On

On

0014

Off

Off

Off

On

Off

On

Off

Off

0015

Off

Off

Off

On

Off

On

Off

On

0016

Off

Off

Off

On

Off

On

On

Off

0017

Off

Off

Off

On

Off

On

On

On

0018

Off

Off

Off

On

On

Off

Off

Off

BIOS SELECTION

Type

W2/1

W2/2

W2/3

W2/4

27128

On

On

Off

Off

27256

Off

Off

On

On

SERIAL PORT INTERRUPT SELECTION

IRQ

W4/1

W4/2

W4/3

W4/4

Serial port 1 IRQ4

On

On

Off

Off

Serial port 2 IRQ3

Off

Off

On

On

PARALLEL PORT INTERRUPT SELECTION

IRQ

W4/5

W4/6

W4/7

W4/8

Parallel port 1 IRQ7

On

On

Off

Off

Parallel port 2 IRQ5

Off

Off

On

On