NIAGARA SMD TECHNOLOGY, INC. NT924 (REV. 2) Processor AM K5/CX M1/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Maximum Onboard 128MB Memory Cache 256/512KB BIOS Award/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector NPU Options None [Image] CONNECTIONS Function Label Function Label IDE interface 1 IDE1 IDE interface LED J13 IDE interface 2 IDE2 Green PC LED J14 PS/2 mouse interface J3 Turbo LED J15 Serial port 1 J4 Reset switch J16 Serial port 2 J6 Speaker J17 Floppy drive interface J7 Power LED & keylock J18 Parallel port J8 IR connector JP2 Chassis fan power J9 32-bit PCI slots PC1 - PC4 Green PC connector J12 Cache slot SL1 USER CONFIGURABLE SETTINGS Setting Label Position Keyboard clock select depends on JP4 Pins 1 & 2 ISA clock closed Keyboard clock select set at JP4 Pins 2 & 3 12MHz closed BIOS type select normal operation JP6 Pins 1 & 2 closed BIOS type select flash mode JP6 Pins 2 & 3 closed » Flash BIOS voltage select 5v JP7 Pins 1 & 2 closed Flash BIOS voltage select 12v JP7 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 32 None 8MB (2) 512K x 32 (2) 512K x 32 10MB (2) 1M x 32 (2) 256K x 32 10MB (2) 256K x 32 (2) 1M x 32 12MB (2) 1M x 32 (2) 512K x 32 12MB (2) 512K x 32 (2) 1M x 32 16MB (2) 2M x 32 None 16MB (2) 1M x 32 (2) 1M x 32 18MB (2) 2M x 32 (2) 256K x 32 18MB (2) 256K x 32 (2) 2M x 32 20MB (2) 2M x 32 (2) 512K x 32 20MB (2) 512K x 32 (2) 2M x 32 24MB (2) 2M x 32 (2) 1M x 32 24MB (2) 1M x 32 (2) 2M x 32 32MB (2) 4M x 32 None 32MB (2) 2M x 32 (2) 2M x 32 34MB (2) 4M x 32 (2) 256K x 32 34MB (2) 256K x 32 (2) 4M x 32 36MB (2) 4M x 32 (2) 512K x 32 36MB (2) 512K x 32 (2) 4M x 32 40MB (2) 4M x 32 (2) 1M x 32 40MB (2) 1M x 32 (2) 4M x 32 48MB (2) 4M x 32 (2) 2M x 32 48MB (2) 2M x 32 (2) 4M x 32 64MB (2) 8M x 32 None 64MB (2) 4M x 32 (2) 4M x 32 66MB (2) 8M x 32 (2) 256K x 32 66MB (2) 256K x 32 (2) 8M x 32 68MB (2) 8M x 32 (2) 512K x 32 68MB (2) 512K x 32 (2) 8M x 32 72MB (2) 8M x 32 (2) 1M x 32 72MB (2) 1M x 32 (2) 8M x 32 DRAM CONFIGURATION Size Bank 0 Bank 1 80MB (2) 8M x 32 (2) 2M x 32 80MB (2) 2M x 32 (2) 8M x 32 96MB (2) 8M x 32 (2) 4M x 32 96MB (2) 4M x 32 (2) 8M x 32 128MB (2) 8M x 32 (2) 8M x 32 Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG SL1 256KB (A) (2) 32K x None (1) 8K/16K x Not installed 32 8 256KB (B) None None None 256KB module installed 512KB (A) (2) 32K x (2) 32K x (1) 16K/32K x Not installed 32 32 8 512KB (B) None None None 512KB module installed Note: The location of banks 0 & 1 are unidentified. CACHE JUMPER CONFIGURATION Size JP10 JP11 256KB (A/B) Pins 1 & 2 closed Pins 1 & 2 closed 512KB (A/B) Pins 2 & 3 closed Pins 2 & 3 closed CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP3 JP12 JP13 JPS1 JPS2 speed speed 120MHz 50MHz 2x 1 & 2 & 1 & Closed Closed 2 3 2 150MHz 60MHz 2x 2 & 2 & 1 & Closed Open 3 3 2 166MHz 66MHz 2x 2 & 2 & 1 & Open Closed 3 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP3 JP12 JP13 JPS1 JPS2 speed speed 75MHz 50MHz 1.5x 1 & 2 & 2 & Closed Closed 2 3 3 90MHz 60MHz 1.5x 2 & 2 & 2 & Closed Open 3 3 3 100MHz 66MHz 1.5x 2 & 2 & 2 & Open Closed 3 3 3 120MHz 60MHz 2x 2 & 2 & 1 & Closed Open 3 3 2 133MHz 66MHz 2x 2 & 2 & 1 & Open Closed 3 3 2 150MHz 60MHz 2.5x 2 & 1 & 1 & Closed Open 3 2 2 166MHz 66MHz 2.5x 2 & 1 & 1 & Open Closed 3 2 2 180MHz 60MHz 3x 2 & 1 & 2 & Closed Open 3 2 3 200MHz 66MHz 3x 2 & 1 & 2 & Open Closed 3 2 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Setting JP8A JP8B JP8C JP8D CX M1 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed AM K5 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed P54C/CTB Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed P55C Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed