...because we can't all be on the bleeding edge...





HED-986 (DIP VERSION)

HEDAKA

HED-986 (DIP VERSION)

Processor

80286

Processor Speed

12/16/20MHz

Chip Set

Hedaka

Max. Onboard DRAM

2MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

CN1

Auxiliary keyboard

CN7

Turbo switch

CN3

Power LED & keylock

CN9

Speaker

CN4

Speed display

CN12

Reset switch

CN5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP8

pins 2 & 3 closed

 

Monitor type select monochrome

JP8

pins 1 & 2 closed

NPU clock select internal oscillator

JP15

pins 2 & 3 closed

 

NPU clock select external oscillator

JP15

pins 1 & 2 closed

NPU speed select OSC/1

JP14

pins 1 & 2 closed

 

NPU speed select OSC/3

JP14

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(4) 44256

NONE

NONE

NONE

1MB

(4) 44256

(4) 44256

NONE

NONE

1.5MB

(4) 44256

(4) 44256

(4) 44256

NONE

2MB

(4) 44256

(4) 44256

(4) 44256

(4) 44256

DRAM PARITY CONFIGURATION

Size

P-0

P-1

P-2

P-3

512KB

(2) 41256

NONE

NONE

NONE

1MB

(2) 41256

(2) 41256

NONE

NONE

1.5MB

(2) 41256

(2) 41256

(2) 41256

NONE

2MB

(2) 41256

(2) 41256

(2) 41256

(2) 41256