ELITEGROUP COMPUTER SYSTEMS, INC. SI54P VIO Processor Pentium Processor Speed 75/90/100MHz Chip Set SIS Max. Onboard DRAM 128MB Cache 256/512/1024KB BIOS Phoenix Dimensions 330mm x 218mm I/O Options Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Parallel port J1 3.3v connector J14 Serial port 2 J2 IDE interface LED JP15 Serial port 1 J3 Turbo LED JP21 pins 2 - 3 VGA port J5 Green PC connector JP21 pins 4 - 5 PS/2 mouse port J6 Turbo switch JP21 pins 6 - 7 VGA feature J8 Reset switch JP21 pins 9 - connector 10 Floppy drive J11 Power LED & JP21 pins 11 interface keylock - 15 IDE interface J12 Speaker JP21 pins 17 (secondary) - 20 IDE interface J13 Riser Card SL1 (primary) USER CONFIGURABLE SETTINGS Function Jumper Position » Video memory type select fast JP1 pins 1 & 2 page mode closed Video memory type select extended JP1 pins 2 & 3 data out mode closed » SMC 37C665 signal enabled JP4 pins 1 & 2 closed SMC 37C665 signal disabled JP4 pins 2 & 3 closed » BIOS type select EPROM JP5 Open BIOS type select 5v flash JP5 pins 1 & 2 closed BIOS type select 12v flash JP5 pins 2 & 3 closed » CMOS memory normal operation JP6 Open CMOS memory clear JP6 Closed » Parity check enabled JP12 pins 2 & 3 closed Parity check disabled JP12 pins 1 & 2 closed » IDE interface enabled JP13 Open IDE interface disabled JP13 Closed » DRAM type select single side in JP14 pins 2 & 3 both banks closed DRAM type select double side in JP14 pins 1 & 2, 3 & bank 2 & single side in bank 1 4 closed » Cache type select write back JP17 pins 1 & 2 closed Cache type select write through JP17 pins 2 & 3 closed » CPU write to always JP18 pins 1 & 2 closed CPU write to invalidate JP18 pins 2 & 3 closed » CPU next address disabled JP19 pins 1 & 2 closed CPU next address enabled JP19 pins 2 & 3 closed » Factory configured - do not alter JP20 N/A 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 8MB (2) 512K x 36 (2) 512K x 36 8MB (2) 1M x 36 NONE 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 32MB (2) 2M x 36 (2) 2M x 36 36MB (2) 512K x 36 (2) 4M x 36 36MB (2) 512K 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 128MB (2) 8M x 36 (2) 8M x 36 128MB (2) 16M x 36 NONE CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 256KB (4) 32K x 8 (4) 32K x 8 (2) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (2) 32K x 8 1MB (4) 128K x 8 (4) 128K x 8 (2) 32K x 8 CACHE JUMPER CONFIGURATION Size JP10 JP11 256KB Open Open 512KB Closed Open 1MB Closed Closed CPU SPEED CONFIGURATION Speed JP16 75MHz pins 1 & 2 closed 90MHz pins 1 & 2, 5 & 6 closed 100MHz pins 1 & 2, 3 & 4, 5 & 6 closed DACK/DRQ CONFIGURATION DACK/DRQ JP8 JP9 DACK1/DRQ1 pins 1 & 2 closed pins 1 & 2 closed DACK3/DRQ3 pins 2 & 3 closed pins 2 & 3 closed