TEKNOR INDUSTRIAL COMPUTERS, INC.

TEK 735

Processor

80486DX/80486DX2/SL80486DX2/AM486DX4/80486DX4/AM486DX5

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)/ 133(internal)MHz

Chip Set

Unidentified

Video Chip Set

Cirrus Logic

Maximum Onboard Memory

64MB

Maximum Video Memory

2MB

Cache

128/256/512KB

BIOS

Award

Dimensions

339mm x 122mm

I/O Options

Floppy drive interface, IDE interfaces (2), SCSI interface, parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

CPU fan power

J1

IDE interface 2

J8

SCSI interface

J2

VGA feature connector

J9

IDE interface 1

J3

PS/2 mouse interface

J10

Floppy drive interface

J4

Power connector

J12

Keyboard, speaker, reset, LED

J5

VGA port

J14

Serial port 1

J6

Parallel port

J15

Serial port 2

J7

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

BIOS boot select normal boot

J13

Open

 

BIOS boot select emergency boot

J13

Closed

»

IOCHRDY signal to IDE interface disabled

W15

Open

 

IOCHRDY signal to IDE interface enabled

W15

Closed

»

SCSI IRQ select IRQ11

W18

Pins 2 & 3 closed

 

SCSI IRQ select IRQ10

W18

Pins 1 & 2 closed

»

Serial download mode disabled

W19/pins 1 & 2

Open

 

Serial download mode enabled

W19/pins 1 & 2

Closed

»

VT100 mode disabled

W19/pins 3 & 4

Open

 

VT100 mode enabled

W19/pins 3 & 4

Closed

»

TEKNOR extension enabled

W19/pins 5 & 6

Open

 

TEKNOR extension disabled

W19/pins 5 & 6

Closed

»

On board video enabled

W19/pins 7 & 8

Open

 

On board video disabled

W19/pins 7 & 8

Closed

»

VGA high speed write select 1 wait state

W21

Closed

 

VGA high speed write select 0 wait states

W21

Open

»

SCSI I/O port select 340

W22

Open

 

SCSI I/O port select 140

W22

Closed

»

Watchdog timer enabled

W24

Closed

 

Watchdog timer disabled

W24

Open

»

AT clock generation select >33MHz

W25

Open

 

AT clock generation select <33MHz

W25

Closed

»

Factory configured - do not alter

W26

Unidentified

»

Power fail monitoring disabled

W29

Open

 

Power fail monitoring enabled

W29

Closed

»

Power failure detection source external power fail (pin 6 on J12)

W39

Pins 1 & 2 closed

 

Power failure detection source internal/external battery <3v

W39

Pins 2 & 3 closed

 

Battery type select internal

W40

Pins 1 & 2 closed

 

Battery type select external

W40

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

1MB

(4) 256K x 9

4MB

(4) 1M x 9

16MB

(4) 4M x 9

SIMM CONFIGURATION

Size

Bank 1

Bank 2

1MB

(1) 256K x 36

None

2MB

(1) 256K x 36

(1) 256K x 36

3MB

(1) 512K x 36

(1) 256K x 36

4MB

(1) 1M x 36

None

4MB

(1) 512K x 36

(1) 512K x 36

5MB

(1) 1M x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 512K x 36

8MB

(1) 2M x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

9MB

(1) 2M x 36

(1) 256K x 36

10MB

(1) 2M x 36

(1) 512K x 36

12MB

(1) 2M x 36

(1) 1M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 1

Bank 2

16MB

(1) 4M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

17MB

(1) 4M x 36

(1) 256K x 36

18MB

(1) 4M x 36

(1) 512K x 36

20MB

(1) 4M x 36

(1) 1M x 36

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 8M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

33MB

(1) 8M x 36

(1) 256K x 36

34MB

(1) 8M x 36

(1) 512K x 36

36MB

(1) 8M x 36

(1) 1M x 36

40MB

(1) 8M x 36

(1) 2M x 36

48MB

(1) 8M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

Note: Memory installed in Banks 1 & 2 is interchangeable.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

None

Unidentified

256KB

(4) 32K x 8

(4) 32K x 8

Unidentified

512KB

(4) 64K x 8

(4) 64K x 8

Unidentified

VIDEO MEMORY CONFIGURATION

Note: Board accepts 1MB/2MB video memory. The configuration is unidentified.

CPU SPEED SELECTION

Speed

W20

25MHz

Pins 3 & 4 closed

33MHz

Pins 1 & 2 closed

40MHz

Open

50iMHz

Pins 3 & 4 closed

50MHz

Pins 1 & 2, 3 & 4, 5 & 6 closed

66iMHz

Pins 1 & 2 closed

75iMHz

Pins 3 & 4 closed

100iMHz

Pins 1 & 2 closed

133MHz

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

W2

W27

W28

80486DX

Open

Open

Open

80486DX2

Open

Open

Open

SL80486DX2

Open

Open

Pins 2 & 3 closed

AM486DX4 (2x)

Pins 1 & 2 closed

Open

Open

AM486DX4 (3x)

Open

Open

2 & 3

80486DX4 (2x)

Pins 1 & 2 closed

Open

Open

80486DX4 (3x)

Open

Open

2 & 3

AM486DX5

Pins 1 & 2 closed

Open

Open

CPU TYPE SELECTION

Type

W32

W34

W35

W36

80486DX

1 & 2, 3 & 4

Open

1 & 2

Open

80486DX2

1 & 2, 3 & 4

Open

1 & 2

Open

SL80486DX2

1 & 2, 3 & 4

2 & 3

1 & 2

1 & 2

AM486DX4 (2x)

1 & 2, 3 & 4

Open

2 & 3

Open

AM486DX4 (3x)

1 & 2, 3 & 4

2 & 3

2 & 3

1 & 2

80486DX4 (2x)

1 & 2, 3 & 4

Open

2 & 3

Open

80486DX4 (3x)

1 & 2, 3 & 4

2 & 3

2 & 3

1 & 2

AM486DX5

1 & 2, 3 & 4

Open

2 & 3

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

W1

3.3v

Open

5v

Closed

BUS SPEED SELECTION

Speed

W7

»

<= 33MHz

Open

 

>33 MHz

Closed

DMA CHANNEL SELECTION

Channel

W17

W23

»

None

Open

Open

 

0

Pins 1 & 2 closed

Pins 2 & 3 closed

 

5

Pins 2 & 3 closed

Pins 1 & 2 closed

SERIAL PORT 2 LOOPBACK SELECTION

Setting

W9

W10

»

Normal

Open

Open

 

Loopback

Closed

Closed

SERIAL PORT 2 SELECTION

Setting

W8

W11

W12

W13

W14

»

RS-232

Open

1 & 2

1 & 2

1 & 2

1 & 2

 

RS-485

Closed

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

FLOPPY DRIVE EDOUT SELECTION

Setting

W30

»

Left to software

Open

 

Ground to pin 17 on J4, EDOUT to pin 29 on J4

Pins 1 & 3, 2 & 4 closed

 

Ground to pin 29 on J4, EDOUT to pin 17 on J4

Pins 1 & 2, 3 & 4 closed

FLOPPY DRIVE HDOUT SELECTION

Setting

W31

»

Left to software

Open

 

Ground to pin 27 on J4, HDOUT to pin 33 on J4

Pins 1 & 3, 2 & 4 closed

 

Ground to pin 33 on J4, HDOUT to pin 27 on J4

Pins 1 & 2, 3 & 4 closed

BASE I/O SELECTION

Address

W16

»

190H

Pins 1 & 2, 3 & 4 closed

 

290H

Pins 1 & 2 closed

 

390H

Pins 3 & 4 closed

 

390H

Open

VGA CONTROLLER SELECTION

Setting

W3

W4

W5

W6

 

Enabled

Closed

Pins 1 & 2 closed

Closed

Pins 1 & 2 closed

»

Disabled

Open

Pins 2 & 3 closed

Open

Pins 2 & 3 closed