HwMuseum | Index

UNIDENTIFIED

CHARISMA 286 MINI AT

Processor

80286

Processor Speed

12MHz

Chip Set

Unidentified

Max. Onboard DRAM

1MB

Cache

None

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

P1

Power LED & keylock

P4

Turbo LED

P2

External battery

P8

Reset switch

P3

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

CPU speed select switchable at keyboard

J1

pins 2 & 3 closed

»

Power good signal detect from board

JP14

pins 1 & 2 closed

 

Power good signal detect from power supply

JP14

pins 2 & 3 closed

»

BIOS type select 27128

J15

pins 1 & 2 closed

 

BIOS type select 27256

J15

pins 2 & 3 closed

»

Monitor type select monochrome

SW1/6

Off

 

Monitor type select CGA or EGA

SW1/6

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

256KB

(18) 4164

(18) 4164

512KB

(18) 41256

none

640KB

(18) 41256

(18) 4164

1MB

(18) 41256

(18) 41256

DRAM SWITCH CONFIGURATION

Size

SW1/3

SW1/4

256KB

Closed

Closed

512KB

Open

Closed

640KB

Closed

Open

1MB

Open

Open

DRAM WAIT STATE CONFIGURATION

Wait states

J2

J8

0

Closed

Closed

1

Open

Open

CPU SPEED CONFIGURATION

Speed

J1

J5

J11

6MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

8MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

10MHz

Open

pins 1 & 2 closed

pins 1 & 2 closed

12MHz

Open

pins 2 & 3 closed

pins 2 & 3 closed

NPU SPEED CONFIGURATION

NPU speed

CPU speed

J6

J7

6MHz

10MHz

pins 2 & 3 closed

Closed

6MHz

8MHz

pins 2 & 3 closed

Closed

8MHz

12MHz

pins 2 & 3 closed

Closed

10MHz

10MHz

pins 1 & 2 closed

Open

BATTERY CONFIGURATION

Type

J12

J13

External alkaline (6V)

Open

Open

External lithium (6V)

Open

pins 1 & 2 closed

Internal double lithium (3V each)

pins 1 & 2 closed

Closed

PROPRIETARY BUS CONFIGURATION

Bus mode

SW1/1

SW1/2

0

On

On

1

Off

On

2

On

Off

3

Off

Off