NIAGARA SMD TECHNOLOGY, INC.
NT928SPP
| Processor | Pentium Pro | 
| Processor Speed | 150/166/180/200/210/233/240/266/270/300MHz | 
| Chip Set | Intel | 
| Video Chip Set | None | 
| Maximum Onboard Memory | 512MB (EDO supported) | 
| Maximum Video Memory | None | 
| Cache | 256/512KB (located on Pentium Pro CPU) | 
| BIOS | AMI/Award/Phoenix | 
| Dimensions | 305mm x 244mm | 
| I/O Options | 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), Ultra-SCSI Wide interface, SCSI interface, parallel port, PS/2 mouse port, serial ports (2), ATX power connector, USB connector, IR connector | 
| NPU Options | None | 
 
| CONNECTIONS | |||
| Purpose | Location | Purpose | Location | 
| ATX power connector | ATX | Speaker | J31 pins 1 - 4 | 
| Serial port | CN1 | Power LED & keylock | J31 pins 6 - 10 | 
| Parallel port | CN2 | Reset switch | J31 pins 11 & 12 | 
| PS/2 mouse port | CN3 | SCSI LED | J31 pins 13 & 14 | 
| Serial port | CN4 | IDE interface LED | J31 pins 15 & 16 | 
| Floppy drive interface | CN5 | Green PC connector | J31 pins 17 & 18 | 
| IDE interface | CN6 | Turbo LED | J31 pins 19 & 20 | 
| IDE interface | CN7 | Power on/off switch | JP7 | 
| SCSI interface | CN8 | Remote power switch | JP8 | 
| Ultra-SCSI Wide interface | CN9 | 32-bit PCI slots | PC1 – PC4 | 
| Note: The location of the IR &USB connectors are unidentified. | |||
| USER CONFIGURABLE SETTINGS | |||
| Function | Label | Position | |
| » | Factory configured - do not alter | J32 | Unidentified | 
| Wide SCSI enabled | J33 | Closed | |
| Wide SCSI disabled | J33 | Open | |
| » | Auto power enabled | JP5 | Closed | 
| Auto power disabled | JP5 | Open | |
| » | Factory configured - do not alter | JP6 | Unidentified | 
| SCSI chip enabled | JP11 | Pins 1 & 2 closed | |
| SCSI chip disabled | JP11 | Pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP14 | Unidentified | 
| » | Factory configured - do not alter | JP15 | 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 | 
| 128MB | (2) 16M x 36 | None | 
| 136MB | (2) 16M x 36 | (2) 1M x 36 | 
| 144MB | (2) 16M x 36 | (2) 2M x 36 | 
| DRAM CONFIGURATION (CON’T) | ||
| Size | Bank 0 | Bank 1 | 
| 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 | 
| 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. The location of banks 0 & 1 are unidentified. | ||
| CACHE CONFIGURATION | 
| Note: 256KB/512KB cache is located on the Pentium Pro CPU. | 
| CPU SPEED SELECTION | |
| Speed | JP17 | 
| 150MHz | Pins 1 & 2 closed | 
| 166MHz | Pins 3 & 4 closed | 
| 180MHz | Pins 5 & 6 closed | 
| 200MHz | Pins 7 & 8 closed | 
| 210MHz | Pins 9 & 10 closed | 
| 233MHz | Pins 11 & 12 closed | 
| 240MHz | Pins 13 & 14 closed | 
| 266MHz | Pins 15 & 16 closed | 
| 270MHz | Pins 17 & 18 closed | 
| 300MHz | Pins 19 & 20 closed | 
| VOLTAGE SOURCE SELECTION | |
| Setting | JP1 | 
| 3.3v from on board regulator | Pins 3 & 5, 4 & 6 closed | 
| 3.3v from ATX power supply | Pins 1 & 3, 2 & 4 closed | 
| SCSI TERMINATION SELECTION (LOW) | ||
| Setting | JP16 | |
| » | Low byte controlled by BIOS | Pins 2 & 3 closed | 
| Low byte terminator on | Pins 1 & 2 closed | |
| Low byte terminator off | Open | |
| SCSI TERMINATION SELECTION (HIGH) | ||
| Setting | JP18 | |
| » | High byte terminator on | Pins 1 & 2 closed | 
| High byte terminator off | Open | |
| High byte controlled by BIOS | Pins 2 & 3 closed | |