HwMuseum | Index

TMC RESEARCH CORPORATION

PAT38XPL

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

OPTI

Max. Onboard DRAM

12MB

Cache

None

BIOS

AMI

Dimensions

231mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J8

Reset switch

J17 pins 9 & 19

Speaker

J17 pins 1 - 4

IDE LED in

J17 pins 10 & 20

Turbo switch

J17 pins 7 & 17

Power LED & keylock

J17 pins 11 - 15

Turbo LED

J17 pins 8 & 18

IDE LED out

J18

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

CMOS memory normal operation (internal battery)

JP2

pins 2 & 3 closed

 

CMOS memory normal operation (external battery at J8)

JP2

Open

 

CMOS memory clear

JP2

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 256K x 9

(2) 256K x 9

2MB

(4) 441000

(2) 411000

NONE

NONE

NONE

NONE

2MB

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

3MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

NONE

3MB

(4) 441000

(2) 411000

NONE

NONE

(2) 256K x 9

(2) 256K x 9

4MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

NONE

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

(2) 1M x 9

5MB

(4) 441000

(2) 411000

(2) 411000

(2) 411000

(2) 256K x 9

(2) 256K x 9

6MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

(2) 1M x 9

NONE

6MB

(4) 441000

(2) 411000

NONE

NONE

(2) 1M x 9

(2) 1M x 9

8MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

(2) 1M x 9

(2) 1M x 9

9MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 4M x 9

NONE

12MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

(2) 4M x 9

NONE

DRAM RESISTOR CONFIGURATION

Size

RA1A, RA2A, & RA3A

RA1B, RA2B, & RA3B

512KB

Installed

Not installed

512KB

Not installed

Installed

1MB

Installed

Not installed

1MB

Not installed

Installed

2MB

Installed

Not installed

2MB

Installed

Not installed

2MB

Not installed

Installed

3MB

Installed

Not installed

3MB

Not installed

Installed

4MB

Installed

Not installed

4MB

Not installed

Installed

5MB

Installed

Not installed

5MB

Not installed

Installed

6MB

Installed

Not installed

6MB

Not installed

Installed

8MB

Installed

Not installed

9MB

Installed

Not installed

12MB

Installed

Not installed