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 |