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PAT3XAL (VER. 2.0)

TMC RESEARCH CORPORATION

PAT3XAL (VER. 2.0)

Processor

80386SX/CX486SLC

Processor Speed

20/25/33/40MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

Cache

None

BIOS

Unidentified

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J4

Turbo LED

J8 (pins 1 - 2)

Reset switch

J6

Turbo switch

J8 (pins 4 - 5)

Speaker

J7

Power LED & keylock

J9

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU synchronous with CPU

JP2

Open

 

NPU asynchronous with CPU

JP2

Closed

Monitor type select monochrome

JP4

Open

 

Monitor type select color

JP4

Closed

Battery type select internal

JP7

pins 1 & 2 closed

 

Battery type select external

JP7

Open

 

CMOS memory clear

JP7

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

CPU SPEED CONFIGURATION

Speed

JP1

JP5

20MHz

pins 2 & 3 closed

pins 1 & 2 closed

25MHz

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed