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





HED-918

HEDAKA

HED-918

Processor

8088/V20

Processor Speed

4.77/10MHz

Chip Set

None

Max. Onboard DRAM

640KB

Cache

None

BIOS

AMI

Dimensions

217mm x 166mm

I/O Options

None

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED

CN2

Turbo LED

CN6

Speaker

CN3

External battery

CN7A

Reset switch

CN4

Keylock

CN8

Turbo switch

CN5

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CPU type select Intel 8088

JP2

pins 1 & 2 closed

 

CPU type select NEC V-20

JP2

pins 2 & 3 closed

Factory configured - do not alter

SW1/1

Off

NPU disabled

SW1/2

On

 

NPU enabled

SW1/2

Off

DRAM CONFIGURATION

Size

44256 Chips

411000 Chips

0KB

NONE

NONE

128KB

U7

NONE

256KB

U6 & U7

NONE

384KB

U5, U6 & U7

NONE

512KB

U4, U5, U6 & U7

NONE

512KB

NONE

U4, U5, U6 & U7

640KB

U3, U4, U5, U6 & U7

NONE

640KB

U3

U4, U5, U6 & U7

DRAM JUMPER/SWITCH CONFIGURATION

Size

JP1

SW1/3

SW1/4

0KB

pins 1 & 2 closed

On

On

128KB

pins 1 & 2 closed

Off

On

256KB

pins 1 & 2 closed

Off

On

384KB

pins 1 & 2 closed

Off

On

512KB

pins 1 & 2 closed

Off

On

512KB

pins 2 & 3 closed

Off

On

640KB

pins 1 & 2 closed

On

Off

640KB

pins 2 & 3 closed

On

Off

FLOPPY DRIVE CONFIGURATION

Drives installed

SW1/7

SW1/8

1

On

On

2

Off

On

3

On

Off

4

Off

Off

MONITOR CONFIGURATION

Type

SW1/3

SW1/4

None

On

On

40 x 25 color

Off

On

80 x 25 color

On

Off

Monochrome

Off

Off