NORTHGATE COMPUTER SYSTEMS, INC. ELEGANCE PENTIUM 90 Processor Pentium Processor Speed 60/66/75/90/100MHz Chip Set OPTI Max. Onboard DRAM 128MB Cache 256/1024KB BIOS AMI/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), 32-bit PCI bus slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Speaker J5 IDE interface J26 Power LED & J6 Serial port 2 J27 keylock Keyboard connector J8 Turbo LED JP33 (pins 1 - 2) PS/2 mouse port J9 IDE interface LED JP33 (pins 3 - 4) IDE interface J22 32-bit PCI bus PC1 - PC3 slots Serial port 1 J23 Reset switch S1 Parallel port J24 32-bit VESA local SL1 & SL2 bus slots Floppy drive J25 interface USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not alter JP1 Open » Factory configured - do not alter JP2 Open » Factory configured - do not alter JP3 Open » Factory configured - do not alter JP4 pins 2 & 3 closed » Factory configured - do not alter JP6 Open » Factory configured - do not alter JP8 Open » Factory configured - do not alter JP10 pins 2 & 3 closed » Factory configured - do not alter JP13 Open » CMOS memory normal operation JP14 pins 1 & 2 closed CMOS memory clear JP14 pins 2 & 3 closed » Monitor type select color JP15 Closed Monitor type select monochrome JP15 Open » Factory configured - do not alter JP16 Open » I/O recovery delay delay enabled JP19 Closed I/O recovery delay delay disabled JP19 Open » LDEV# timing select end of first JP20 Open T2 LDEV# timing select end of second JP20 Closed T2 » Factory configured - do not alter JP21 Open » Factory configured - do not alter JP22 Open » Main board select SQ545 JP23 Closed Main board select SQ503 JP23 Open » Factory configured - do not alter JP26 Closed » Factory configured - do not alter JP28 Open » Factory configured - do not alter JP29 pins 1 & 2 closed » Factory configured - do not alter JP30 Closed » Port 3F7 mode select VESA JP31 pins 8 & 9 closed Port 3F7 mode select ISA JP31 pins 7 & 8 closed » IDE port address select primary JP31 pins 10 & 11 closed IDE port address select secondary JP31 pins 11 & 12 closed » VESA IDE enabled JP31 pins 19 & 20 closed VESA IDE disabled JP31 pins 20 & 21 closed » Parallel port IRQ select IRQ7 JP32 pins 1 & 2 closed Parallel port IRQ select IRQ5 JP32 pins 2 & 3 closed » Flash EPROM select normal W1 pins 1 & 2 operation closed Flash EPROM select flash W1 pins 2 & 3 programming closed Note: The location of the following jumpers are unidentified: JP1, JP2, JP3, JP28, JP29, & JP30. DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 NONE 4MB (2) 256K x 36 (2) 256K x 36 4MB (2) 512K x 36 NONE 6MB (2) 256K x 36 (2) 512K x 36 8MB (2) 512K x 36 (2) 512K x 36 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 1M x 36 (2) 512K x 36 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 20MB (2) 512K x 36 (2) 2M x 36 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 34MB (2) 256K x 36 (2) 4M x 36 36MB (2) 512K x 36 (2) 4M x 36 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 2M x 36 (2) 4M x 36 64MB (2) 4M x 36 (2) 4M x 36 64MB (2) 8M x 36 NONE 66MB (2) 256K x 36 (2) 8M x 36 68MB (2) 512K x 36 (2) 8M x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 4M x 36 (2) 8M x 36 128MB (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Size Bank 0 TAG 256KB (8) 32K x 8 (1) 32K x 8 1MB (8) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP37 JP38 256KB Open Open 1MB Closed Closed CPU SPEED CONFIGURATION Speed JP9 JP11 JP12 50MHz Open Closed Closed 60MHz Closed Open Closed 66MHz Open Closed Open 75MHz Open Closed Closed 90MHz Closed Open Closed 100MHz Open Closed Open VESA CLOCK SPEED CONFIGURATION Speed JP31 » 33MHz pins 2 & 3, 4 & 5 closed 25MHz pins 1 & 2, 4 & 5 closed 40MHz pins 1 & 2, 5 & 6 closed 50MHz pins 2 & 3, 5 & 6 closed VESA CYCLE TIME CONFIGURATION Cycle time JP31 » > = 480ns pins 14 & 15, 17 & 18 closed > = 200ns pins 13 & 14, 16 & 17 closed > = 240ns pins 14 & 15, 16 & 17 closed > = 383ns pins 13 & 14, 17 & 18 closed BUS SPEED CONFIGURATION CPU speed JP25 <= 33MHz Open > 33MHz Closed BUS SPEED CONFIGURATION Setting JP17 JP18 » LCLK/4 Open Closed LCLK/2 Open Open LCLK/3 Closed Open LCLK/5 Closed Closed