TMC RESEARCH CORPORATION

JATO 286+

Processor

80286

Processor Speed

10/12/16/20MHz

Chip Set

LSI

Max. Onboard DRAM

8MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J1

Serial port 1

J6

Power LED & keylock

J2

External battery

J8

Speaker

J3

Reset switch

JP1

Serial port 2

J4

Reset switch

JP5

Parallel port

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU clock speed select CPU clock

JP2

pins 1 & 2 closed

 

NPU clock speed select OSC1

JP2

pins 2 & 3 closed

»

BIOS type select 27128

JP3

pins 1 & 2 closed

 

BIOS type select 27256

JP3

pins 2 & 3 closed

»

Power good signal detect from board

JP4

pins 2 & 3 closed

 

Power good signal detect from power supply

JP4

pins 1 & 2 closed

»

Monitor type select color

JP6

Closed

 

Monitor type select monochrome

JP6

Open

»

Battery type select internal

JP7

Closed

 

Battery type select external

JP7

Open

»

Parallel port enabled

JP8

Open

 

Parallel port disabled

JP8

Closed

»

Serial port 2 enabled

JP9

Open

 

Serial port 2 disabled

JP9

Closed

»

Serial port 1 enabled

JP10

Open

»

Serial port 1 disabled

JP10

Closed

 

Factory configured - do not alter

JP11

Open

Note: The location of JP6 is unidentified.

DRAM CONFIGURATION (OPTION 1)

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

NONE

NONE

NONE

640KB

(18) 41256

(18) 4164

NONE

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

4MB

(18) 411000

(18) 411000

NONE

NONE

5MB

(18) 411000

(18) 411000

(2) 256K x 9

(2) 256K x 9

8MB

(18) 411000

(18) 411000

(2) 1M x 9

(2) 1M x 9

DRAM CONFIGURATION (OPTION 2)

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

NONE

NONE

(2) 256K x 9

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

(18) 41256

(18) 41256

(2) 1M x 9

(2) 1M x 9

5MB

(18) 411000

(18) 411000

(2) 256K x 9

(2) 256K x 9

8MB

(18) 411000

(18) 411000

(2) 1M x 9

(2) 1M x 9

DRAM RESISTOR CONFIGURATION

Size

AR23

AR24

AR25

AR26

Option 1

Installed

Installed

Not Installed

Not Installed

Option 2

Not Installed

Not Installed

Installed

Installed

DRAM RESISTOR CONFIGURATION (CON’T)

Size

AR27

AR28

AR29

AR30

Option 1

Not Installed

Not Installed

Installed

Installed

Option 2

Installed

Installed

Not Installed

Not Installed