TMC RESEARCH CORPORATION

PAT48PG4 (VER. 1.2A)

Processor

80486SX/SL80486SX/ODP486/CX486DX/80486DX/SL80486DX/ 80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/80486DX4/ SL80486DX4/P24T/P24CT/CX5X86

Processor Speed

25/33/40/50(internal)/50/63(internal)/66(internal)/80(internal)/ 83(internal)/100(internal)/120(internal)MHz

Chip Set

OPTI

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J3

Reset switch

J7 pins 9 & 19

Green PC connector

J5

IDE interface LED

J7 pins 10 & 20

IDE interface LED

J6

Power LED & keylock

J7 pins 11 - 15

Speaker

J7 pins 1 – 4

Green PC LED

J8

Turbo switch

J7 pins 7 & 17

32-bit VESA local bus slots

SL1 – SL3

Turbo LED

J7 pins 8 & 18

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

 

Battery type select internal

JP2

Pins 2 & 3 closed

 

Battery type select external

JP2

Open

 

CMOS memory clear

JP2

Pins 1 & 2 closed

 

BIOS type select EPROM

JP3

Pins 2 & 3 closed

 

BIOS type select flash BIOS

JP3

Pins 1 & 2 closed

»

Factory configured - do not alter

JP11

Unidentified

DRAM CONFIGURATION 1

Size

Bank 0

Bank 1

Bank 2

2MB

None

(1) 256K x 36

(1) 256K x 36

4MB

None

(1) 1M x 36

None

5MB

None

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

8MB

None

(1) 1M x 36

(1) 1M x 36

8MB

(4) 1M x 9

(1) 1M x 36

None

16MB

None

(1) 4M x 36

None

17MB

None

(1) 256K x 36

(1) 4M x 36

20MB

None

(1) 1M x 36

(1) 4M x 36

20MB

(4) 4M x 9

(1) 1M x 36

None

32MB

None

(1) 4M x 36

(1) 4M x 36

32MB

(4) 4M x 9

(1) 4M x 36

None

64MB

None

(1) 16M x 36

None

128MB

None

(1) 16M x 36

(1) 16M x 36

128MB

(4) 16M x 9

(1) 16M x 36

None

DRAM CONFIGURATION 2

Size

Bank 0

Bank 1

Bank 2

2MB

(4) 256K x 9

None

(1) 256K x 36

4MB

(4) 1M x 9

None

None

5MB

(4) 256K x 9

None

(1) 1M x 36

6MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

8MB

(4) 1M x 9

None

(1) 1M x 36

8MB

(4) 1M x 9

(1) 1M x 36

None

16MB

(4) 4M x 9

None

None

17MB

(4) 256K x 9

None

(1) 4M x 36

20MB

(4) 1M x 9

None

(1) 4M x 36

20MB

(4) 1M x 9

(1) 4M x 36

None

32MB

(4) 4M x 9

None

(1) 4M x 36

32MB

(4) 4M x 9

(1) 4M x 36

None

64MB

(4) 16M x 9

None

None

128MB

(4) 16M x 9

None

(1) 16M x 36

128MB

(4) 16M x 9

(1) 16M x 36

None

DRAM CONFIGURATION 3

Size

Bank 0

Bank 1

Bank 2

2MB

None

(1) 512K x 36

None

4MB

None

(1) 1M x 36

None

4MB

None

(1) 512K x 36

(1) 512K x 36

6MB

None

(1) 512K x 36

(1) 1M x 36

6MB

(4) 1M x 9

None

(1) 512K x 36

8MB

None

(1) 2M x 36

None

8MB

None

(1) 1M x 36

(1) 1M x 36

8MB

(4) 1M x 9

None

(1) 1M x 36

10MB

None

(1) 512K x 36

(1) 2M x 36

12MB

None

(1) 1M x 36

(1) 2M x 36

16MB

None

(1) 4M x 36

None

16MB

None

(1) 2M x 36

(1) 2M x 36

20MB

None

(1) 1M x 36

(1) 4M x 36

20MB

(4) 4M x 9

None

(1) 1M x 36

32MB

None

(1) 8M x 36

None

32MB

None

(1) 4M x 36

(1) 4M x 36

64MB

None

(1) 16M x 36

None

64MB

None

(1) 8M x 36

(1) 8M x 36

128MB

None

(1) 32M x 36

None

128MB

None

(1) 16M x 36

(1) 16M x 36

128MB

(4) 16M x 9

None

(1) 16M x 36

DRAM JUMPER CONFIGURATION

Configuration

RNC1

RNC2

RNC3

1

Installed

Not installed

Not installed

2

Not installed

Installed

Not installed

3

Not installed

Not installed

Installed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG0

TAG1

128KB

(4) 32K x 8

None

None

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

None

(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

128KB

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JP5

JP12

JP13

JP14

25MHz

1 & 2, 5 & 6

1 & 2

Open

Open

33MHz

1 & 2, 3 & 4

1 & 2

Open

Open

40MHz

3 & 4, 5 & 6, 7 & 8

2 & 3

Open

Closed

50iMHz

1 & 2, 5 & 6

1 & 2

Open

Open

50MHz

1 & 2, 5 & 6, 7 & 8

2 & 3

Closed

Closed

63iMHz

1 & 2, 5 & 6

1 & 2

Open

Open

66iMHz

1 & 2, 3 & 4

1 & 2

Open

Open

80iMHz

3 & 4, 5 & 6, 7 & 8

2 & 3

Open

Closed

83iMHz

1 & 2, 3 & 4

1 & 2

Open

Open

100iMHz

1 & 2, 3 & 4

1 & 2

Open

Open

120iMHz

3 & 4, 5 & 6, 7 & 8

2 & 3

Open

Closed

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

RNA1

RNA2

RNA3

RNA4

80486SX

Not installed

Not installed

Installed

Not installed

Intel S-series

Not installed

Not installed

Not installed

Not installed

ODP486

Not installed

Installed

Not installed

Not installed

CX486DX

Not installed

Not installed

Not installed

Installed

80486DX

Installed

Not installed

Not installed

Not installed

80486DX2

Installed

Not installed

Not installed

Not installed

AM486DX4

Installed

Not installed

Not installed

Not installed

AMD enhanced

Not installed

Not installed

Not installed

Not installed

80486DX4

Installed

Not installed

Not installed

Not installed

P24T

Not installed

Installed

Not installed

Not installed

P24CT

Not installed

Installed

Not installed

Not installed

CX 5X86

Installed

Not installed

Not installed

Not installed

CPU TYPE SELECTION (CON’T)

Type

RNB1

RNB2

RNB3

W8

80486SX

Installed

Not installed

Not installed

Closed

Intel S-series

Not installed

Installed

Not installed

N/A

ODP486

Installed

Not installed

Not installed

Open

CX486DX

Not installed

Not installed

Installed

Closed

80486DX

Installed

Not installed

Not installed

Closed

80486DX2

Installed

Not installed

Not installed

Closed

AM486DX4

Not installed

Installed

Not installed

Open

AMD enhanced

Not installed

Installed

Not installed

N/A

80486DX4

Installed

Not installed

Not installed

Open

P24T

Installed

Not installed

Not installed

Open

P24CT

Installed

Not installed

Not installed

Open

CX 5X86

Not installed

Installed

Not installed

Open

CPU TYPE SELECTION (WRITE BACK)

Type

JP15

JP16

AMD write back

Pins 1 & 2 closed

Pins 2 & 3 closed

Intel write back

Pins 1 & 2 closed

Pins 2 & 3 closed

Other CPU types

Open

Open