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





TURBO-640

UNIDENTIFIED

TURBO-640

Processor

8088

Processor Speed

8MHz

Chip Set

None

Max. Onboard DRAM

640KB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

JP1

Turbo LED

JP4

Keylock

JP2

Speaker

JP5

Turbo switch

JP3

   

USER CONFIGURABLE SETTINGS

Function

Switch

Position

Factory configured - do not alter

SW1/1

Off

NPU disabled

SW1/2

On

 

NPU enabled

SW1/2

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

128KB

(9) 41256

NONE

NONE

NONE

192KB

(9) 41256

NONE

NONE

NONE

256KB

(9) 41256

NONE

NONE

NONE

512KB

(9) 41256

(9) 41256

NONE

NONE

576KB

(9) 41256

(9) 41256

(9) 4164

NONE

640KB

(9) 41256

(9) 41256

(9) 4164

(9) 4164

DRAM SWITCH CONFIGURATION

Size

SW1/3

SW1/4

128KB

Off

On

192KB

On

Off

256KB

Off

Off

512KB

Off

Off

576KB

Off

Off

640KB

Off

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

SW1/5

SW1/6

None installed

On

On

80 x 25 color

On

Off

Monochrome

Off

Off