TMC RESEARCH CORPORATION

PCI54IT (VER. 0.10C)

Processor

CX M1/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, VRM connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

J3

Power LED & keylock

J15

PS/2 mouse interface

J4

IDE interface LED

J17

Serial port 1

J5

Turbo LED

J18

Serial port 2

J6

Green PC connector

J19

Parallel port

J9

Chassis fan power

J21

IDE interface 1

J10

Speaker

J22

IDE interface 2

J11

32-bit PCI slots

PC1 – PC4

Floppy drive interface

J12

Cache slot

SL1

Reset switch

J14

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

JP4

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP4

Pins 2 & 3 closed

»

Factory configured - do not alter

RN1

Unidentified

»

Factory configured - do not alter

RN2

Unidentified

»

Factory configured - do not alter

RN3

Unidentified

 

Password normal operation

SW1/3

Off

 

Password clear

SW1/3

On

»

CMOS memory normal operation

SW1/4

Off

 

CMOS memory clear

SW1/4

On

 

BIOS access enabled

SW1/5

Off

 

BIOS access disabled

SW1/5

On

»

Factory configured - do not alter

W1

Unidentified

»

Factory configured - do not alter

W6

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB (A)

(8) 32K x 8

Not installed

(1) 8K x 8

256KB (B)

None

256KB module installed

None

512KB (A)

(8) 64K x 8

Not installed

(1) 32K x 8

512KB (B)

None

512KB module installed

None

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

JP11

None

Open

Open

Open

N/A

N/A

256KB (A)

Closed

Open

Open

Open

Closed

256KB (B)

Closed

Open

Open

Open

Open

512KB (A)

Open

Closed

Closed

Open

Closed

512KB (B)

Open

Closed

Closed

Open

Open

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP3

SW1/1

SW1/6

SW1/7

SW1/8

100MHz

66MHz

2x

Open

On

On

Off

Off

120MHz

60MHz

2x

Open

On

On

On

Off

133MHz

66MHz

2x

Open

On

On

On

On

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP3

SW1/1

SW1/6

SW1/7

SW1/8

75MHz

50MHz

1.5x

Open

On

Off

Off

Off

90MHz

60MHz

1.5x

Open

On

Off

On

Off

100MHz

66MHz

1.5x

Open

On

Off

On

On

120MHz

60MHz

2x

Open

On

On

On

Off

133MHz

66MHz

2x

Open

On

On

On

On

150MHz

60MHz

2.5x

Closed

On

On

On

Off

166MHz

66MHz

2.5x

Closed

On

On

On

On

180MHz

60MHz

3x

Closed

On

Off

On

Off

200MHz

66MHz

3x

Closed

On

Off

On

On

CPU VOLTAGE SELECTION

Voltage

SW1/2

Normal

On

High

Off

DMA CHANNEL SELECTION

Channel

JP1

JP2

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed