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NT944

NIAGARA SMD TECHNOLOGY, INC.

NT944

Processor

IBM 6X86/CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), serial port, cache slot, IR connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface 2

CN1

IR connector

J26

IDE interface 1

CN2

Power LED & keylock

JP27 pins 1 - 5

PS/2 mouse port

J2

Turbo LED

JP27 pins 7 & 17

Serial port

J5

Reset switch

JP27 pins 8 & 18

Serial port

J6

IDE interface LED

JP27 pins 10 & 20

Floppy drive interface

J7

Speaker

JP27 pins 11 - 14

Chassis fan power

J9

32-bit PCI slots

PC1 – PC4

Parallel port

J21

Cache slot

SL1

USB connector

J22

   

Note: The location of J9 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP2

Open

 

CMOS memory clear

JP2

Closed

»

Flash BIOS voltage select 5v

JP3

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP3

Pins 2 & 3 closed

»

Factory configured - do not alter

JP4

Closed

»

Factory configured - do not alter

JP6

Closed

»

Factory configured - do not alter

JP7

Closed

»

Factory configured - do not alter

JP8

Closed

»

Factory configured - do not alter

JP9

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

None

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 256K x 36

(2) 2M x 36

20MB

(2) 512K x 36

(2) 2M 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

34MB

(2) 256K x 36

(2) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

36MB

(2) 512K x 36

(2) 4M 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

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 512K x 36

(2) 8M 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

128MB

(2) 16M x 36

None

130MB

(2) 256K x 36

(2) 16M x 36

132MB

(2) 512K x 36

(2) 16M x 36

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 32M x 36

None

256MB

(2) 16M x 36

(2) 16M x 36

258MB

(2) 256K x 36

(2) 32M x 36

260MB

(2) 512K x 36

(2) 32M x 36

264MB

(2) 32M x 36

(2) 1M x 36

272MB

(2) 32M x 36

(2) 2M x 36

288MB

(2) 32M x 36

(2) 4M x 36

320MB

(2) 32M x 36

(2) 8M x 36

384MB

(2) 32M x 36

(2) 16M x 36

512MB

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Size

Bank 0

SL1

256KB

(2) 32K x 32

Not installed

512KB

(2) 32K x 32

256KB module installed

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

JP12

JP13

256KB

Open

Open

Closed

Open

512KB (A)

Closed

Closed

Open

Closed

CPU SPEED SELECTION (IBM)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

120MHz

50MHz

1.5x

On

On

Off

Off

Off

150MHz

60MHz

1.5x

On

Off

Off

Off

Off

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

120MHz

50MHz

1.5x

On

On

Off

Off

Off

150MHz

60MHz

1.5x

On

Off

Off

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

75MHz

50MHz

1.5x

On

On

Off

Off

Off

90MHz

60MHz

1.5x

On

Off

Off

Off

Off

100MHz

66MHz

1.5x

Off

On

Off

Off

Off

120MHz

60MHz

2x

On

Off

On

Off

Off

133MHz

66MHz

2x

Off

On

On

Off

Off

150MHz

60MHz

2.5x

On

Off

On

On

Off

166MHz

66MHz

2.5x

Off

On

On

On

Off

180MHz

60MHz

3x

On

Off

Off

On

Off

200MHz

66MHz

3x

Off

On

Off

On

Off

CPU TYPE SELECTION

Type

JP21

IBM 6X86

All pins closed

IBM M2

All pins open

CX M1

All pins closed

CX M2

All pins open

AM 5K86

All pins closed

AM K5

All pins open

P54C

All pins closed

P55C

All pins open

CPU VOLTAGE SELECTION

Voltage

JP5

 

3.3v

Pins 1 & 2 closed

»

3.45v

Pins 3 & 4 closed

 

3.6v

Pins 5 & 6 closed