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NT928 S4

NIAGARA SMD TECHNOLOGY, INC.

NT928 S4

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), SCSI connectors (2), parallel port, PS/2 mouse interface, serial ports (2), VRM connector, cache slot, IR connector

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

Reset switch

CN4 pins 1 & 2

Wide SCSI-2 connector

J8

Turbo switch

CN4 pins 3 & 4

Parallel port

J9

Green PC connector

CN4 pins 6 & 7

Fast SCSI-2 connector

J10

Turbo LED

CN4 pins 8 & 9

SCSI interface LED

J11

Speaker

CN4 pins 11 - 14

Serial port

J12

Power LED & keylock

CN4 pins 16 - 20

Serial port

J13

IDE interface

CN5

IDE interface LED

J14

IDE interface

CN6

VRM connector

J15

Chassis fan power

CN7

PS/2 mouse interface

J22

IR connector

J6

32-bit PCI slots

PC1 - PC3

Floppy drive interface

J7

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Parallel IOCHRDY enabled

JP5

Pins 1 & 2 closed

 

Parallel IOCHRDY disabled

JP5

Open

»

Parallel port IRQ select IRQ7

JP8

Pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP8

Pins 2 & 3 closed

»

On board I/O enabled

JP9

Open

 

On board I/O disabled

JP9

Closed

 

SCSI chip enabled

JP10

Pins 1 & 2 closed

 

SCSI chip disabled

JP10

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP20

Pins 1 & 2, 5 & 6 closed

 

Flash BIOS voltage select 5v

JP20

Pins 2 & 3, 5 & 6 closed

 

Flash BIOS or EPROM installed

JP20

Pins 2 & 3, 4 & 5 closed

»

Jumper information unavailable

JP25

N/A

»

SCSI type select SCSI - 2

JP26

Open

 

SCSI type select wide SCSI - 2

JP26

Closed

»

Jumper information unavailable

JP42

N/A

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

24MB

(2) 1M x 36

(2) 2M 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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M 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

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory. The orientation of the banks is unidentified.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

SL1

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

Not installed

256KB (B)

None

None

None

Installed

512KB (A)

(4) 64K x 8

(4) 64K x 8

(1) 16K x 8

Not installed

512KB (B)

None

None

None

Installed

CACHE JUMPER CONFIGURATION

Size

JP29

None

Open

256KB (A)

Pins 1 & 2 closed

512KB (A)

Pins 2 & 3 closed

CACHE TYPE CONFIGURATION

Type

JP34

JP35

Asynchronous

Pins 1 & 2 closed

Pins 2 & 3 closed

Burst

Pins 2 & 3 closed

Pins 1 & 2 closed

Pipeline burst

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU SPEED SELECTION

Speed

JP14

75MHz

Pins 1 & 2 closed

90MHz

Pins 3 & 4 closed

100MHz

Pins 5 & 6 closed

120MHz

Pins 7 & 8 closed

133MHz

Pins 9 & 10 closed

150MHz

Pins 11 & 12 closed

180MHz

Pins 13 & 14 closed

200MHz

Pins 15 & 16 closed

CPU TYPE SELECTION

Type

JP16

P54C/CS/CT

Pins 1 & 2 closed

P55C/CT

Pins 2 & 3 closed

CPU VOLTAGE SELECTION

Voltage

JP43

JP44

JP45

 

3.4v

Open

Open

Closed

»

3.5v

Open

Closed

Open

 

3.6v

Closed

Open

Open

CPU VRM SELECTION

Setting

JP39

JP40

JP41

VRM not installed

Closed

Closed

Closed

VRM installed

Open

Open

Open

DMA CHANNEL SELECTION

Channel

JP3

JP4

 

1

Pins 1 & 2 closed

Pins 1 & 2 closed

»

3

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT INTERRUPT SELECTION

IRQ

JP1

JP2

JP6

JP7

IRQ3 (serial port 2)

Pins 1 & 2 closed

N/A

N/A

N/A

IRQ4 (serial port 1)

N/A

Pins 2 & 3 closed

N/A

N/A

IRQ10 (serial port 1)

N/A

N/A

Pins 2 & 3 closed

N/A

IRQ10 (serial port 2)

N/A

N/A

Pins 1 & 2 closed

N/A

IRQ11 (serial port 1)

N/A

N/A

N/A

Pins 2 & 3 closed

IRQ11 (serial port 2)

N/A

N/A

N/A

Pins 1 & 2 closed

IDE INTERRUPT SELECTION

IRQ

JP11

JP12

IRQ14 (primary)

Pins 1 & 2 closed

N/A

IRQ15 (secondary)

N/A

Pins 1 & 2 closed

TERMINATION SELECTION

Setting

JP13

Terminator always on

Pins 1 & 2 closed

Terminator always off

Open

Terminator controlled by BIOS

Pins 2 & 3 closed