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 512MB (EDO supported) Memory Maximum Video None Memory 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 [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Speaker J31 pins 1 - 4 connector Serial port CN1 Power LED & J31 pins 6 - keylock 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 CN5 Green PC connector J31 pins 17 & interface 18 IDE interface CN6 Turbo LED J31 pins 19 & 20 IDE interface CN7 Power on/off JP7 switch SCSI interface CN8 Remote power JP8 switch Ultra-SCSI Wide CN9 32-bit PCI slots PC1 – PC4 interface Note: The location of the IR &USB connectors are unidentified. USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J32 Unidentified alter Wide SCSI enabled J33 Closed Wide SCSI disabled J33 Open » Auto power enabled JP5 Closed Auto power disabled JP5 Open » Factory configured - do not JP6 Unidentified alter SCSI chip enabled JP11 Pins 1 & 2 closed SCSI chip disabled JP11 Pins 2 & 3 closed » Factory configured - do not JP14 Unidentified alter » Factory configured - do not JP15 Unidentified alter 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