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286 TURBO

UNIDENTIFIED

286 TURBO

Processor

80286

Processor Speed

10/12MHz

Chip Set

VLSI

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

C1

Power LED & keylock

C4

Turbo LED

C2

Speaker

C5

Reset switch

C3

External battery

CN1

USER CONFIGURABLE SETTINGS

Function

Jumper

Location

BIOS type select 27256

JP1

pins 1& 2 closed

 

BIOS type select 27512

JP1

pins 2 & 3 closed

 

Factory configured - do not alter

JP5

N/A

 

CPU slow speed select 8MHz

JP6

Open

 

CPU slow speed select 6MHz

JP6

Closed

Monitor type select color

JP7

Closed

 

Monitor type select monochrome

JP7

Open

DRAM speed select 0 wait states

JP8

Open

 

DRAM speed select 1 wait state

JP8

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

NONE

NONE

NONE

512KB

NONE

NONE

(2) 256K x 9

NONE

640KB

(18) 41256

(18) 4164

NONE

NONE

640KB

NONE

NONE

(2) 256K x 9

(2) 64K x 9

1MB

(18) 41256

(18) 41256

NONE

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(18) 411000

NONE

NONE

NONE

2MB

NONE

NONE

(2) 1M x 9

NONE

4MB

(18) 411000

(18) 411000

NONE

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER CONFIGURATION

Size

JP2

JP3

JP4

512KB

Closed

Closed

Closed

512KB

Closed

Closed

Closed

640KB

Closed

Closed

Open

640KB

Closed

Closed

Open

1MB

Closed

Open

Closed

1MB

Closed

Open

Closed

2MB

Closed

Open

Open

2MB

Closed

Open

Open

4MB

Open

Closed

Closed

4MB

Open

Closed

Closed