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





X TURBO

AMERICAN RESEARCH CORPORATION

X TURBO

Processor

8088

Processor Speed

4/6MHz

Chip Set

Unidentified

Max. Onboard DRAM

640KB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Proprietary slots (2)

NPU Options

8087

CONNECTIONS

Purpose

Location

Proprietary slots

SL1 - SL2

USER CONFIGURABLE SETTINGS

Function

Switch

Position

Ľ

Turbo enabled

SW2/1

Off

 

Turbo disabled

SW2/1

On

Ľ

NPU disabled

SW2/2

On

 

NPU enabled

SW2/2

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

64KB

(9) 4164

NONE

NONE

NONE

128KB

(9) 4164

(9) 4164

NONE

NONE

192KB

(9) 4164

(9) 4164

(9) 4164

NONE

256KB

(9) 4164

(9) 4164

(9) 4164

(9) 4164

256KB

(9) 41256

NONE

NONE

NONE

640KB

(9) 41256

(9) 41256

(9) 4164

(9) 4164

DRAM SWITCH CONFIGURATION

Size

SW2/3

SW2/4

64KB

On

On

128KB

Off

On

192KB

On

Off

256KB

Off

Off

640KB

Off

Off

DRAM SWITCH CONFIGURATION

Size

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

SW3/7

SW3/8

Bank 0 & 1 = 41256

Off

On

Off

On

Off

On

Off

On

Bank 2 & 3 = 4164

Off

On

Off

On

Off

On

Off

On

DRAM SWITCH CONFIGURATION (CONíT)

Size

SW4/1

SW4/2

SW4/3

SW4/4

SW4/5

SW4/6

SW4/7

SW4/8

Bank 0 & 1 = 41256

Off

On

Off

On

Off

On

Off

On

Bank 2 & 3 = 4164

Off

On

Off

On

Off

On

Off

On

DRAM SWITCH CONFIGURATION

Size

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

SW3/7

SW3/8

Bank 0 & 1 = 4164

On

Off

On

Off

On

Off

On

Off

Bank 2 & 3 = 4164

On

Off

On

Off

On

Off

On

Off

DRAM SWITCH CONFIGURATION (CONíT)

Size

SW4/1

SW4/2

SW4/3

SW4/4

SW4/5

SW4/6

SW4/7

SW4/8

Bank 0 & 1 = 4164

On

Off

On

Off

On

Off

On

Off

Bank 2 & 3 = 4164

On

Off

On

Off

On

Off

On

Off

MONITOR CONFIGURATION

Type

SW2/5

SW2/6

Monochrome

Off

Off

40 x 25 color

Off

On

80 x 25 color

On

Off

FLOPPY DRIVE CONFIGURATION

Type

SW2/7

SW2/8

1

On

On

2

Off

On

3

On

Off

4

Off

Off