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CHARISMA 286 MINI AT Motherboard Settings and Configuration






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








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