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





PX-3000 TURBO XT

PEAKTRON COMPUTER, INC.

PX-3000 TURBO XT

Processor

8088

Processor Speed

12MHz

Chip Set

Peaktron

Max. Onboard DRAM

640KB

Cache

None

BIOS

Peaktron

Dimensions

218mm x 187mm

I/O Options

None

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Turbo switch

J14

Keylock

J2

Turbo LED

J15

Speaker

J13

Power LED

J16

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Parity check enabled

P1

Open

 

Parity check disabled

P1

Closed

CPU speed select switchable at turbo turbo switch

P2

pins 1 & 2 closed

 

CPU speed select switchable at keyboard

P2

pins 2 & 3 closed

Factory configured - do not alter

SW1/1

N/A

Factory configured - do not alter

SW1/2

N/A

Factory configured - do not alter

SW1/3

N/A

Factory configured - do not alter

SW1/4

N/A

DRAM CONFIGURATION

Size

U28 - U29

U15 - U18

U19 - U22

U28 - 31

U34

256KB

(2) 44256

NONE

NONE

NONE

NONE

256KB

NONE

(4) 41256

(4) 41256

NONE

NONE

512KB

NONE

NONE

NONE

(4) 44256

NONE

640KB

NONE

NONE

NONE

(4) 44256

NONE

DRAM PARITY CONFIGURATION

Size

U23

U43

U48

256KB

(1) 41256

NONE

NONE

256KB

(1) 41256

NONE

NONE

512KB

(1) 41256

(1) 41256

NONE

640KB

(1) 41256

(1) 41256

NONE

Note:One (1) 411000 can be used in location U23 for parity with all memory sizes.

DRAM PARITY JUMPER CONFIGURATION

Size

P3

P4

256KB

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

640KB

pins 1 & 2 closed

pins 1 & 2 closed

VIDEO CONFIGURATION

Size

SW1/5

SW1/6

None

On

On

Color (40 x 20)

Off

On

Color (80 x 25)

On

Off

Monochrome

Off

Off

FLOPPY DRIVE CONFIGURATION

Drives installed

SW1/7

SW1/8

1

On

On

2

Off

On

3

On

Off

4

Off

Off