TMC RESEARCH CORPORATION

PAT54PV (VER 1.0A, 1.1A)

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Reset switch

J6 (pins 9 - 19)

IDE interface LED

J5

IDE interface LED

J6 (pins 10 - 20)

Speaker

J6 (pins 1 - 4)

Power LED & keylock

J6 (pins 11 - 15)

Turbo LED

J6 (pins 8 - 18)

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery type select internal

JP1

pins 2 & 3 closed

 

Battery type select external

JP1

Open

 

CMOS memory clear

JP1

pins 1 & 2 closed

Monitor type select monochrome

JP7

Open

 

Monitor type select color

JP7

Closed

Back-to-back I/O delay enabled

JP8

Closed

 

Back-to-back I/O delay disabled

JP8

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

6MB

(2) 256K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

18MB

(2) 256K x 36

(2) 2M x 36

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 256K x 36

(2) 4M x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(8) 32K x 8

NONE

(1) 32K x 8

512KB

(8) 32K x 8

(8) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

RA256

RA512

256KB

Installed

Not installed

512KB

Not installed

Installed

CPU SPEED CONFIGURATION

Speed

JP18

75MHz

pins 1 & 2 closed

90MHz

pins 3 & 4 closed

100MHz

pins 1 & 2, 5 & 6 closed

Note: The location of JP18 is unidentified.

VESA CLOCK SPEED CONFIGURATION

CPU Type

JP4

JP6

JP9

JP10

JP11

JP12

33MHz

Open

Open

1 & 2

2 & 3

Open

Closed

40MHz

Closed

Closed

1 & 2

1 & 2

Closed

Closed

50MHz

Closed

Closed

2 & 3

1 & 2

Closed

Open

Note: Pins designated should be in the closed position.

BUS CLOCK FREQUENCY CONFIGURATION

ATCLK frequency

VLCLK frequency

JP2

JP3

8MHz

33MHz

Closed

Open

8MHz

40MHz

Closed

Closed

10MHz

50MHz

Closed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP5

0 wait states

Open

1 wait state

Closed