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  |