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





TURBO PC

PC'S LIMITED, INC.

TURBO PC

Processor

8088-2

Processor Speed

7.33MHz

Chip Set

None

Max. Onboard DRAM

640KB

Cache

None

BIOS

PC's Ltd.

Dimensions

355mm x 304mm

I/O Options

None

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J2

Reset switch

JP1

Turbo LED & Power LED

J3

Alternate DC power plug

P3

Note:P3 may not be present on all boards.

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

 

Factory configured - do not alter

J5

Open

»

CPU speed select fast

J6

pins 1 & 2 closed

 

CPU speed select slow

J6

pins 2 & 3 closed

»

Self-test disabled

SW2/1

On

 

Self-test enabled

SW2/1

Off

»

NPU disabled

SW2/2

On

 

NPU enabled

SW2/2

Off

»

Factory configured - do not alter

SW2/4

Off

 

Color adjust

VC1

Variable

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

256KB

(9) 41256

NONE

NONE

640KB

(9) 41256

(9) 41256

(18) 4164

DRAM JUMPER CONFIGURATION

Size

J4

256KB

pins 2 & 3 closed

640KB

pins 1 & 2 closed

DRAM SWITCH CONFIGURATION

Size

SW2/3

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

SW3/7

SW3/8

256KB

On

On

Off

On

Off

On

Off

On

Off

640KB

Off

Off

On

Off

On

Off

On

Off

On

DRAM SWITCH CONFIGURATION (CON’T)

Size

SW4/1

SW4/2

SW4/3

SW4/4

SW4/5

SW4/6

SW4/7

SW4/8

256KB

On

Off

On

Off

On

Off

On

Off

640KB

Off

On

Off

On

Off

On

Off

On

FLOPPY DRIVE CONFIGURATION

Drives installed

SW2/7

SW2/8

1

On

On

2

Off

On

3

On

Off

4

Off

Off

MONITOR CONFIGURATION

Type

SW2/5

SW2/6

Monochrome

Off

Off

40 x 25 color

Off

On

80 x 25 color

On

Off